Engineering 1927 Jul-Dec: Index: General Index

1927.

Note: This is a sub-section of Engineering 1927 Jul-Dec: Index

View 1927 Jul-Dec Volume

GENERAL INDEX

ABADAN Power Station, Persia, Filtrator Process for Feed-Water Treatment, 305
Abrasion Tests, Metals, 279 ; Steel for Gear Teeth, 065* ; Aluminium Alloys, 666*
Work Hardening of Steel by,' 445, 470*. See 420*
Abyssinia Irrigation. Like Tsana Regulation Scheme, 620
Aci Range, Heat Treatment of Nickel and Nickel-Chromium Steels, 61*

Accidents :

Compressed-Air Explosion, Deptford Power Station, Report, 718. See Erratum, 748
Explosions, Boiler. See Boiler Explosions and Paragraph Index
Indian Railways, Accident Statistics, 131 Industrial Accidents, Home Office Museum of Safety Appliances, 752 (Report on 241
Power Plant Failures, Report on, 208
Railway Accident at Sevenoaks, Southern Railway, 402*, 433, 456, 484
Shipping, Vessels Lost, Lloyd’s Statistics,275, 470, 733
Street Accidents, Frequency, Cause and Prevention, 732
Accumulators, Electric. See Electric Acetylene Welding. See Welding Acid Catalysis, New Developments, 510
(Manufacturing Works, Report on, 188 Acidity of Lubricating Oils, Tests for, 526. See 552
Acoustics of Auditoriums, 105
Acton, Cable Explosion at, Report, 274
Adams, G., Verschoyle Mandrel, 520
Address, Presidential. See Presidential Address
Admiralty. See Warships
Aerial Navigation. See Aeronautics
Propellers. See Propellers under Aeronautics
Ropeway. See Wire Ropeway — Transport. See Aeronautics Aerodynamics. See Aeronautics
Aeronautical Society, Royal, Associate Fellowship Examination, 170

Aeronautics :

Aerodynamics Department, National Physical Laboratory, Work of, 85*, 146*
Fluid Friction and Heat Transmission, Relationship, 23
Fluid Friction over Wave Surfaces, 23 (Motion, Work of National Physical Laboratory, 23, 86*
Stream Lines round Elliptic Cylinder,
Theory of, Recent Progress, 277*, 294*, ' 405*. 440*, 500* (1
Aerofoil, Handley-Page Slotted, National Physical Laboratory Investigations, 86*
Scale Effect in, Wind-Tunnel Tests, 86
Aeronautical Research Committee, Report, .270
Aeronautics Department, Imperial College of Science, Syllabus, 148
Aeroplane, Cierva Autogyro, National Physical Laboratory Investigations, 146
Flights, Long-Distance, Utility of, 721
Floating Landing Stage in Atlantic Ocean for, 223*. See Letters, 275, 654
Lift, and Drag, Theory of, 277», 294*, 405*, 440*, 500*
Spinning of, National Physical Laboratory Investigations, 87*
Wing Flutter in, National Physical Laboratory Investigations, 146
(Heat Losses from , 87
(Slotted, Handley - Page, National
Physical Laboratory Investigations, 86*
See also Seaplane (below)
Aircraft Construction, Use of Light Alloys,336
Airship R.100, Progress with, 693*
Airship Deformations and Stress Distribution, 145
Disadvantages of, 428
Airways, Middle Eastern, 740*
Autogyro Aeroplane, Cierva, National Physical Laboratory Investigations, 146
Cierva Autogyro, National Physical Laboratory Investigations, 146’
Civil Aviation, American Airways, Progress and Prospects, 306*
in Canada, Report, 240
Middle Eastern Airways, 740*
Treatise on (Review), 258
See also Airships (above)
Engines, Petrol, Aeroplane, Detonation in, Influence of Design, 783
Aeroplane, 450-h.p. Napier Lion, Details of Construction, 569*
Aeroplane, Revolution Recorder, 168*
Fisheries Protection, Canada, Use of Aircraft, 240
Forest Patrol Work, Canada, Use of Aircraft, 240
Lauding Stage, Floating, for Aeroplanes in Atlantic Ocean, 223.* See LETTERS, 275,654
Mails, Aerial Transport, United States, 306* Middle Eastern Airways, 740*
Propellers, Aerial, National Physical
Laboratory Investigations, 146*
Research Committee, Aeronautical, Report, 270 —
Scale Effect, Wind - Tunnel Tests of Aerofoils, 86
Schneider Trophy Seaplane Race, Napier Lion Engine. 569*
Seaplane Flight Round Africa, by Sir Cobham, 721 ‘ .
Race, Schneider Trophy, Napier Lion Engine, 569*
Slotted Aeroplane Wing, Handley-Page, Ai National Physical Laboratory Investigations, 86*
Spinning of Aeroplanes, National Physical
Laboratory Investigations, 87*
Surveying, Photographic, from Aircraft, Canada, 240
United States Airways, Progress and Prospects, 306*
Wind Tunnel. 1 ft. High Speed, at
National Physical Laboratory, 85*
Tests. Aerofoils, Scale Effect, 86
Wing. Aeroplane, Handley-Page Slotted, National Physical Laboratory Investigations, 86*
Heat Losses from, 87 4
Flutter in Aeroplanes, National Physical Laboratory Investigations, 146
See also PARAGRAPH INDEX
Aeroplanes. See Aeronautics Afforestation in Great Britain, 647
Africa, East, Kenya and Uganda Railway, Locomotive for, 198*
Kenya Water Supplies, Report, 175 4
Age Hardening of Elektron Alloys, 385, 597*
Agreements, Labour. See Labour
Agricultural Hall. See Exhibition — Implements Trade, Census of Production Statistics, 179
Trade, Syria, 244
Machinery, British, Canadian Market, 399 -
Motors. See Engines ; Motors ; Tractors — Show, Smithfield Club, 756*
Society, Royal, Newport Show, 40*, 73*
Tractors. See Tractors t
Agriculture, Development of, 647 — Electricity in, Advantages and Applications, 41,43*
Economic Aspects, 401
in, Electricity Commissioners’ Conference, 755
in, Power Supply in Rural Areas, 304
Power Required for Ploughing, 795 j
Report on Phenological Observations, 59 — Transport Appliances for Farm Use, 372* 401
See also Irrigation and PARAGRAPH INDEX
Ailsa Craig Motor Co., Ltd., 7-h.p. Four- Cylinder Marine Petrol Engine, 315*
Air, Atmospheric, Circulation over Melbourne, 750
Air Blast, for Blast Furnaces, Diving with A Silica Gel, 432, 830*, 853
Compressed. See Compressed Air ; Pneumatic
Compressor, Diesel-Engine Driven, M.S. “ Saturnia,” 455*
High-Speed Quadruplex (Reavell and Co., Ltd.), 324*
Portable, Petrol-Engine Driven (Atlas Diesel Co., Ltd.). 045* ; Holman Brothers, Ltd.), 726
Vertical Double-Acting, Two-Stage (Reavell and Co.. Ltd. ), 674*
Conditioning and Hygrometry in the Textile Industry, 607
Cooled Condenser, Ljungstrom Turbine Locomotive, 773*, 802*
Ejector, Two-Stage, for Condensing Plant (Metropolitan-Vickers Electrical Co. Ltd.), 323*
Filter. Protectomotor, for Internal-Combustion Engines. 151*
Flow Meters, Tests of Commercial Types, 52
in Mines. Measurement, 536
Measuring Nozzles, Determination of Discharge Coefficients, 5.* See LETTERS, 838
Pollution. See Smoke Abatement
Preheating, Boiler Furnances, 718
Boiler Furnaces, Treatise on (Review),258
Pressure Boosters for Water Supply, 630*
Screws. See Propellers under Aeronautics
Seasoning and Conditioning of Timber, Report, 774
Supply to Internal-Combustion Engines,
Measurement, 5.* Sec LETTERS. 838
Temperatures, Electrical Distance Thermometers for, 550*
See also Atmosphere ; Pumps Aircraft. See Aeronautics
Airships. See Aeronautics .
Aitchison, Dr. L., on Non-Ferrous Metals in 'Transport, 335 .
Ajax-Northrup High - Frequency Induction Furnace, 444, 758 i
Akticbolaget. Spontan. Transmission Gear for Motor Cars, 658.* See LETTER, 754
Alban, F. J., on the Economics of Water Supply, 681 ,
Albany. U.S., Fort Frederick Building, Moving to New Site, 202*
Albion Motor Car Co., Ltd., Six-Wheel Lorry, 696*
Alcohol, Power, Australian Investigations, 706
Work of Fuel Research Board, 195
Alda Gas Economiser for Welding Plants, 356
Alexander, F. H., on Propulsive Efficiency of Rowing, 84
Alkali Works, Report on, 188
Allen, E., and Co., Ltd., Ajax-Northrup High-Frequency Induction Furnace, 758
Allen, J., and Sons (Oxford), Ltd., Track-Belt
Road Roller, 691*: Parsons Trench Excavating Machine, 725*
Allen-Liversidge, Ltd., Alda Gas Economiser for Welding Plants, 356*
Allgemeine Elektricltats Gesellschaft, 70,000- kw. High Pressure Turbine, Klingenberg Power Station, 728*
Alloys. See Metallurgy; Microphotographs ; an 1 PARAGRAPH INDEX
Aim, E., Tests of 10,000-14.000 kw. Ljung- stroin Turbo-Generator, 542
Almond, A. R., Fatigue Tests of Cast Iron, 827*
Alpha Iron, Solution of Cementite in, 446, 472*
Alternating Current. See Electric.
Stress. See Tests (Materials)
Alternators. See Generators, Electric; Turbo- Generators
Altoona, Locomotive Testing Plant, Tests of Baldwin Three-Cylinder Compound Locomotive, 816*, 823*, 855* . See 102*, 133* 814, 818
Aluminium and its Alloys (Review), 257
Alloys. See Alloys under Metallurgy — Corporation, Ltd., Reconstruction of Coety Dam, 177*
Protection from Corrosion, Electro-Deposition and Anodic Oxidation Process, 376*, 385, 442
Single Crystals, Fatigue Tests on. 38*
See also Metallurgy ; Metal-Price Diagrams

American Bureau of Shipping. See United States
Concrete Institute. See Concrete Institute American
Institute of Consulting Engineers. See Consulting Engineers
Institute of Electrical Engineers. See Electrical Engineers
Institute of Mining and Metallurgy. See Mining
Iron and Steel Institute. See Iron and Steel
Navy. See United States under Warships
Society for Testing Materials. See Testing
of Civil Engineers. See Civil Engineers
of Mechanical Engineers. See Mechanical Engineers
of Naval Architects and Marine Engineers. See Naval Architects
American Telephone and Telegraph Co , Television System, 247*. 281*
See also United States Ammonia, Mollier Chart for, 87
and Nitric Acid, Production of (Review), 98
Amsler Wear Testing Machine, Investigations, 279
Analysis, Textile, Use of Ultra-Violet Light, 607
Analytical Control, Automatic, Water-Softening Plants, 786
Anchorages, Deep Sea, Calculations for, 224*. See LETTERS, 275, 645
Anderson, Boyes and Co., Ltd., Coal-Cutting Machines, 708*
Anderson, J., on Operating Experiences with High Steam Pressures, 687
Andrade, Prof. E. N. da C., on the Viscosity of Liquids, 462
Andreau Differential-Stroke Internal-Combustion Engine, 613*
Andrew, Prof., J. H., on the Aci Range in Special Steels, 61*
Anemometer, Hot Wire, National Physical Laboratory, 86*
Anglo-Persian Oil Co., Abadan Power Station, Use of Filtrator Process, 305
Anglo-Swedish Electric Welding Co., Ltd., Electric Welding Equipment, 391*
Annealing. See Heat Treatment under Metal lurgy
Annual, Naval and Shipping, Brassey’s (Review) 834
Publications. See LITERATURE INDEX > Anodic Oxidation Process, Protection of Aluminium and Alloys, 376*, 385, 442 ’
“ Anthracite,” S.S., Perkins High-Pressure Steam Machinery, 184*
Anti-Detonators for Motor Fuels, Recent Investigations, 256
Friction Metals. See Alloys under Metallurgy
Vibration Foundations for Machinery, 259*
Antimony Alloys. See Alloys under Metal- Prices. See Metal-Price Diagrams
Applied Mechanics, Treatise on (Review), 212 ,r
Appointments. See PARAGRAPH INDEX
Apulian Aqueduct, Water Supply, South East j. Italy, 285*
Aqueduct, Apulian, Water Supply, South East Italy, 285*
Ferro-Concrete, Design and Construction, 680
Riofrio, Villalba Power Plant, Spain, 101*
Arbitration in Labour Disputes. See Labour; .« PARAGRAPH INDEX
Arc. See Electric; Furnace ; Welding - Arch Bridge, Ferro - Concrete, over Menal Straits, Proposed, 8*
Steel, over River Usk, Newport, Mon 34*. See Addendum, 200
Dam, Experimental, Stevenson Creek, California, Investigation of Deflections and O" Stresses, 191*
Masonry, Railway Bridge over River Orbe, Switzerland. 767*
Architects, British, Royal Institute Scholarships, 170
Naval. See Naval Architects
Registration of, 81
Architectural Design in Concrete (Review), 258
Architecture, Bridge (Review), 291
Argentine Government, Cement-Consistency »« Test, Apparatus for, 417
Armaments, Naval. Limitation of. See Geneva Conference under Warships
Armature - Balancing Machine, Lawaczeck-Heymann System, 202*
Armco Iron, Properties at High Temperatures, 39, 181*, 837*
Armour. See Warships. Also Naral in PARAGRAPH INDEX
Armoured Ships. See Warships
Armstrong College, Newcastle-on-Tyne, Experiments on Air-Measuring Nozzles, 5*. See LETTERS, 838
Armstrong, H. G., on Measurement of Steam, Flow, 688
Armstrong-Hawthorn Boilers, S.S. ” Borneo,” 236, 686. See Erratum, 276
Armstrong Siddeley Motors, Ltd., 15-h.p. Six- Cylinder Car, 514* ;
Agricultural Tractor, Pavesi System, 705*
Armstrong, Whitworth and Co., Ltd., Dock Gates, Gladstone Dock, 71*. See 115
Army Transport, Motor Vehicles for. 652
Arrhenius, Professor S., the Late, 456
Arrol, Sir W. and Co., Ltd., Newport Bridge, 34*.
See Addendum, 200
Arrol-Johnston and Aster Engineering Co. (1913), Ltd., Petrol-Driven Lighting and Pumping Sets, 356*
Arterial Roads. See Roads
Artificial Fertilisers, Chemistry, Manufacture and Application (Review), 178
Silk, Properties of, 607
Arts, Royal Society of, Prize Competition, Gray Memorial Trust, 280;
Cantor Lectures, Alloy Steels, their Properties and Uses, by Professor H. C. H. Carpenter, 688, 785
Ash in Coke, Effect on Blast-Furnace Working, 432, 435*
Ashby, Dr. T., on Roman Roads, 573
Ashwell and Nesbit, Ltd., Nuvako Conveying System, 741*
Aslib Directory of Sources of Information, 431
Asphalt Cooker, 7-ton (Braham, Patterson and Benham, Ltd.), 642*
Mixing Plant, Foden Steam Wagon, 642*
Asquith, W. (1920), T.td., Duplex Vertical
Drilling, Boring, Milling and Screw-Cutting Machine, 805*
Associated Daimler Co., Ltd., Motor Omnibus, 657*
Association, British. See British Association
Engineering. See Institutions
Aston, Dr. F. W., on a Mass Spectrograph and the Whole Number Rule, 463
Astronomy, Determination of Stellar Temperatures, 509
Field, for Engineers and Survevors (Review), 53
Atalanta, Ltd., Small Tools, 356*
Atholl, Duchess of, on Education, 606
Atkinson-Priestman System, Co-Operative Production (Review), 738
Atlantic Engine Co. Ltd., Marine Oil Engine and Electric Lighting Set, 357*
Liners. See Steamers
North, Western Ports of, 157*, 286*, 381*, 495*, 539*, 575*, 635*, 701,* 829*
Ocean, Floating Landing Stage for Aeroplanes. 223*. See LETTERS, 275, 654
Atlas Diesel Co., Ltd., Air Compressor, 645*
Atmosphere, Circulation over Melbourne, 750
Atmospheric-Nitrogen Industry (Review), 98
Pollution, Report on Alkali* Works, 188 See also Smoke Abatement
Atomic Structure of Crystals, Stereoscopic Photographs, 780
of Metals, Investigation by X-Rays, 627*, 811. See Erratum, 616
Atomised Feed, Rotary Kilns, Cement Manufacture, 671, 699
Atoms, Spectra Emitted in all Stages of Ionisation, 416*
Auditoriums, Acoustics of, 105
Australia, Institution of Engineers, Destruction of Timber Piles in Australian Harbours, by A. C. Mackenzie, 847
Melbourne, Atmospheric Circulation, 750
Sydney Metropolitan Railways, Electrification, 125, 195*, 231*
Victoria Electric Supply, Use of Brown Coal, 777
Australian Harbours, Destruction of Timber Piles, 847
Investigations on Power Alcohol, 706
Navy, Experiments with Pulverised Fuel, 93*. See 85, 108
Austria, Scientific Management in, 366
Austrian Experiments, Ferro-Concrete Columns. 188
Austro-Daimler Tubular-Frame Motor-Car Chassis, 762*
Auto Alarm Apparatus for Wireless Distress Signals, 321*, 355*, 630
Pneumatic Water-Supply System, Bruston, 681
Auto Welding and Engineering Co., Ltd., Macleod Petrol Nozzle, 214*
Autogenous Welding. See lFeZdin/7
Autogyro Aeroplane, Cierva, National Physical Laboratory Investigations, 146
Automatic Analytical Control, Water-Softening Plants, 786
Boiler Control System, Hagan, 325*
Automatic and Electric Furnaces, Ltd.,
Hardening and Carburising Furnaces, 355*; Hardening of Gear Wheels, Comparative Tests, 498
Machine Tools. See Machine Tools
Signalling. See Signalling
Stokers. See Stokers
Automatic Telephone Manufacturing Co., Ltd., Holborn Mechanical Tandem Exchange, 452* ;
Holborn Automatic Exchange, 854*
Temperature-Control Apparatus, Gas and
Electric (R. Maclaren and Co., .), 746*
Vacuum Oil Lamp, 167*
Automobile Engineers, Institution of, Twenty- First Annual Dinner, 754
Automobiles M. Berllet, Motor Lorry with Producer Gas Plant, 706 See Motor Cars
Auxiliary Machinery, Marine. See Marine Aveling and Porter, Ltd., Exhibits at Royal
Agricultural Show, 75; Road Rollers, Public Works Exhibition, 691
Avery, J. W., on Grain Growth in Compressed Metal Powder, 368
Avery, W. and T., Ltd., Balancing Machine for Crankshafts, 25*
Aviation. See Aeronautics
Axial-Flow Pumps for Low Lifts, 401, 535*, 566*
Axles, Motor Car. See Motor-Car Details

B

B.E.N. Patents, Ltd., Portable Woodworking Machinery, 317*
B. and R. Manufacturing Co., Rippingille Petrometer, 487.* See 520
Babcock and Wilcox Marine Boilers, Tests with Pulverised Fuel, 820.* See 788
Badlam, S., on Wide Strip Rolling Mills, 839
Bagnulo Oil Engine, Motor Wagon, Trials, 561
“ Bahia,” Brazilian Scout Cruiser, Results with New Machinery, 327*
Bailey, R. W., Design, of Plant for High- Temperature Service, 44* ;
Mechanical Testing of Materials, 623*, 663*
Baker, G. S., on Screw-Propeller Efficiency, 119* See 113
Bakers’ Ovens, Steam-Heated, Failures of, 209
Balancing, Doxford Marine Diesel Engine, 806*
Machine for Crankshafts, Avery-Linley, 25*
Dynamic, Lawaczeck-Heymann System,
for Small Armatures, 202*
Baldwin Locomotive Works, 4-10-2Type Three- Cylinder Compound Locomotive, with Water-Tube Firebox and Mechanical Stoker, 102*, 133* ;
Experimental Results, 816*, 823*, 855*. See 814, 818
Ball Bearings. See Bearings
Hardness Tests. See Hardness under Tests(Materials)
Steel, Use for Superhardening Steel, Cloudburst Process, 420*. See 445, 470*
Balmforth and Co., Ltd., Caloriflers, University College Hospital, 2*
Baltimore and Ohio Railroad, Grain and Coal Handling Plant, Port of Baltimore, 701*, 829*. See 637; Use of Great Western Railway Locomotive “ King George V ” on, 754. See 56*, 87
Port of, Arrangement and Equipment, 635*, 701*, 829*
Bamboo, Paper Pulp Manufacture from, 574
Band Conveyors. See Conveyors
Banks, Financial Assistance of Industry, 52
See LETTER, 137
Barfield, R. H., on Attenuation of Wireless Waves, 786
Barford and Perkins, Ltd., Motor Road Rollers, 44,* 643* ;
Tar-Macadam Softener, 643*
Barker, A. H., Heating Installation, University College Hospital, 1*
Barker, L. H., on Temperature Stresses in Tubes, 443*
Barker, S. G., on Standardisation of Fastness of Dyestuffs, 607
Barley-Sweating Plant, Robertson-Galland, 629 Barnes, A. S. L., on the Canadian Electrical Code, 815. See 721
Barometers, Tests at National Physical Laboratory, 273
Barr, Dr. G., on the Action of Sunlight on Cotton, 607
Barrage, Nag Hammadi, River Nile, 275
Barrel-Washing Machines, Brewers’ Exhibition, 630
Bascule Bridge. See Bridge
Batteries. See Electric
Battleships. See Warships
Bauer, Dr. G., on the Exhaust-Steam Turbine as a Marine Auxiliary Drive, 813
Baum Coal Washer, Application of Froth Flotation Process to, 51
Bavaria, Walchensee Hydro-Electric Power Plant, 162*, 228*, 255*, 417*, 447*
Bayonet Type Lamp-Holders, Standard Specification, 521
Beacham Hele-Shaw Transmission Gear, Crane Brake and Electric Capstan, 393*
Beams, Ferro-Concrete, Effect of Plastic Yield and Shrinkage, 661. See 586
Concrete, Shearing Strength of, 413, 563*
Concrete, Strength of, London County
Council Regulations, 414. See 563*
Bean Cars, Ltd., 14-40 h.p. Four-Cylinder Car, 480*
Beardmore, W., and Co., Ltd. Caprotti Valve Gear, Tests on L.M.S. Railway, 292*; S.S. “ Duchess of Atholl,” Launch, 682
Bearings, Ball, in Motor-Car Work, 21, 26 and Roller, Standard Specifications, 597
Corrosion by Lubricating Oil, 526. See 552
Journal Displacement in, Electrical Measurement, 24
Lubrication under High Loads and Temperatures, 312*, 333. See Erratum, 553
of, National Physical Laboratory Investigations, 24, 312*, 333. See Erratum, 653
Metals. See Alloys under Metallurgy
Bebbington, A., on the Law Relating to River Pollution Prevention, 680
Beccles Swing Bridge, Reconstruction, 779
Belgium, Cockerill Works, Seraing, Anniversary Celebrations, 461
Bellagio, International Commission on Illumination, 667
Belt Conveyors. See Conveyors
Testing Apparatus for, 401, 438*. See LETTERS, 744
Bending Tests. See Tests (Materials)
Benevolent Society Metal Trades, 494
Bennie, Miss A. L., on Forecasting Sales by Statistical Analyses, 427
Bennis, E., and Co., Ltd., Gritless Coking Stoker, 674* ’
Benson High-Pressure Boiler, 611. See 729
Benton, Sir J., the Late, 304
Benz Diesel Engine for Road Roller, 643*
Bergius Process, Conversion of Coal into Oil, 194, 719
Bergmann Electricifcits Werke, Three-Phase Generators, Walchensee Hydro-Electric Power Plant, 418*, 447*. See 256*
Bergmann, S., the Late, 79
Berliet Producer Gas Plant, Motor Road
Roller, 643* ; Motor Lorry, 706
Berlin, Exhibition and Conference on Engineering Materials, 734
Klingenberg Power Station, 70,000-kw.Turbine, 728*
“ Bermuda,” Motor Passenger Liner, Launch, 177 ; Propelling Machinery, 805*
Beryllium, Pure, Preparation of, 211
Bevel Gears. See Gears
Beyer, Peacock and Co., Ltd., Ljungstrom Turbine Locomotive, 771*, 801*
Bicycles. See Cycles and Motor Cycles
Binary Alloys. See Alloys under Metallurgy
Binnie, Sir A., Son and Deacon, Taf Fechan Reservoir, 116*, 125*. See 144
Binocular Magnifier, Leitz, 392*
Biological Aspects of Refrigeration, 720
Biplanes. See Aeronautics
Birmingham Meeting, Institution of Mechanical Engineers. See Mechanical Engineers
Bismuth Alloys. See Alloys under Metallurgy
Bitumen Spraying Machines (Colas Products, Ltd.), 643*; (A. Schars), 726; (T. Coleman and Sons, Ltd.), 726
Surfaced Roads, Patching Outfit for, 643*
Surrounded Cable, Explosion at Acton, 274
Bituminous Road Materials, Jacta Drying and Mixing Machine (Goodwin, Barsby and Co., Ltd.), 725*
Materials. See also Roads and Tar
Black and Decker, Ltd., Portable Electric Tools, andc. 390*
Blading, 10,000-14,000 kw. Ljungstrom Turbine, 412*
Turbine, Design for High Pressures, 763*
Erosion of, 651
Failures of, 209
Blast Furnace. See Furnaces
Block Gauges, Wringing of, National Physical Laboratory Investigations, 273
Blower, Rotary, Cozette Supercharger for Motor-Car Engines, 518*
Blue Nile, Lake Tsana Regulation Scheme, 620
Board of Trade, Census of Production Statistics, Tool, Implements and Cutlery Trades, 179
Reports, Boiler Explosion Inquiries, 275, 534, 597
Statistics, Use in Forecasting Trade Conditions, 428
See also Overseas Trade Department
Boat, Flying. See Seaplane under Aeronautics
Motor. See Motor Boat
Propulsive Efficiency of Rowing, 84
Ship’s Life Saving, Gaskin Unsinkable, Tests, 839
Nielsen Davit for, 775*
Submarine. See Warships
Boby, R., Ltd., Sweating Plant for Barley, 629
Body, Motor Omnibus, Low Double-Deck Type, 658*
Boilers, Corrosion at Riveted Joints, 180
Explosion Inquiries, Board of Trade Reports, 275, 534,597
on Steam Trawler, Report, 275
Steam Wagon, Defective Fusible Plug, 275
Firing, Tests with Pulverised Rulir Coals, 14
Feed Pump. See Pump
Water Softening. See Water Softening
Water. See Water
Furnaces, Air Preheating in, 718
Air Preheating in, Treatise on (Review), 258
See also Furnace and Stoker
High-Pressure, Lakeside Power Station,
Operating Experiences, 687
Inclined Multitubular, for Road Roller (Wallis and Steevens, Ltd.), 644*
Lagging, Pyrometers for Surface Temperature Measurement, 319.* See 2?rraZim, 401
Lancashire, Coking Stokers for (E. Bennis and Co., Ltd.), 674*
Doby Ram-Type Stoker for, 778*
Locomotive, Efficiency of, 824.* See 817 with Water-Tube Firebox, Baldwin Locomotive Works, 102.* *See 133*; See also 816,* 823,*, 855*
See also Locomotive
Marine, Early Use of High Pressures, 183*
Pulverised-Fuel for, 85,91*, 121*, 152*.
See LETTER, 108
Pulverised Fuel for, Tests at Philadelphia
Navy Yard, 791*. See 788*, 810, 819
Pulverised Fuel Installation, S.S. ” Mercer,” 788*, 791*. See 810, 819
Water Tube, Babcock and Wilcox Type, Tests with Pulverised Coal, 820*. See 788
Plant, Automatic Control, Hagan System,
Port Morris Power Station, New York, 325*
Ferrybridge Power Station, 529*
Steel and Power Exhibition, Toronto, 398
for Steel Works, 839
University College Hospital, London, 1*
Plates, Brittleness in, Investigations, 216*
Cracking of, Prolonged Tests at High Temperature, 400, 409
Cracking of (Review), 638
Tests at Various Temperatures, 140
Safety in Working (Review), 638
Second-Hand, Failures of, 209
Steam, Benson High-Pressure, 611. See 729*
for Extra High Pressures, 611
Tubes, Temperature Stresses in, Calculation of, 443*
Vertical Cross Tube, Explosion from, 534
Water Circulator (Loveridge, Ltd.), 714
Tube, Armstrong-Hawthorn, Super-Pressure, S.S. ” Borneo,” 236, 686. See Erratum, 276
Boilers, Water Tube, Forssblad Type, Vasteras Power Station, Sweden, 436*
See also Engines and Boilers in PARAGRAPH INDEX
Bolton’s Superheater and Pipe Works, Ltd., Cruse-Gray Superheater for Locomotives, 386*
Bolts, Connecting-Rod, Failures of, 209
Bombay, Baroda and Central India Railway,
Repair Work, River Mahi Bridge, 65*
Bonus System. See Labour
Bonvillain and Ronceray, A’l-Steel Pulley Blocks, 323*
Books, New, Notes on, 31, 117, 169, 235, 421, 526, 548, 790, 851. See LITERATURE INDEX
Received, 14, 46, 138, 170, 204, 236, 266, 298, 328, 360, 424, 488, 520, 552, 582, 616, 648, 682, 748, 780, 810, 842
Boosters, Air-Pressure, for Water Supply, 630*
Booth Hall Infirmary, Air-Pressure Boosters for Water Supply, 630*
Boreholes, Deep, Suggested Use of Earth’s Internal Heat, 335
See also Wells
Boring Machine, Thrust, for Pipe Laying (Hydraulic Engineering Co., Ltd)., 690*
See also Machine Tools
“ Borneo,” S.S., Super-Pressure Propelling Machinery, 236, 686. See Erratum, 276
Borthwick, Prof. A. W., on Forestry in Relation to Water-catchment Areas, 574
Boston, Edgar Power Station, 10,000-kw, High-Pressure Turbine, 728*
Bottle-Washing Machines, Brewers’ Exhibition, 630
Bournemouth Meeting, Ceramic Society. See Ceramic Society
Bowater, N. J., on Chamber Ovens for Gas Manufacture, 719
Bowden, Lieut.-Col. G. R. H., the Late, 488
Bowie-Gavin Cracking Process, 148
Brackish Feed Waters, Treatment by Filtrator Process with Linseed, 305
Bradford Engineering Society, Independent Power Plants, by W. C. Mountain, 524. See LETTERS, 562, 591, 625
Technical College, Prospectus, 170 ; Tests of Cast-In Joints, 215*. See Erratum, 232;
Belt-Testing Apparatus, 401, 438*. See LETTERS, 744
Valley Road Power Station, High-Pressure Geared Turbine, 729*
Bragg, Sir W., on X-Ray Investigations of Colloids, 509; on X-Ray Analysis of Metals, 627*, 811. See Erratum, 616; Stereoscopic Photographs Crystal Models, 780
Braham, Patterson and Benham, Ltd., Asphalt Cooker, 642*
Brake, Hydraulic, for Cranes, Hele-Shaw Beacham System, 393*
for Electric Generators, Walchensee Hydro-Electric Power Plant, 448*
Lining Materials, Testing Machine for, National Physical Laboratory, 39*
Motor-Car. See Motor-Car Details
See also Dynamometer
Brame, Prof. J. S. S., on the Composition of Cracked Distillates, 727
Brand, Engr.-Capt. J. C., on Pulverised Fuel for Marine Purposes, 91*, 121*, 152*. See 85. See LETTER, 108
Brass, Corrosion of. See Corrosion
Foundry. See Foundry
Naval, Bars and Sections, Standard Specifications, 346
Brassey’s Naval and Shipping Annual (Review), 834
Braun, F., A.-G., Heavy Duty Lathe, 389*
Brazilian Navy, Scout Cruisers " Bahia ” and ”Rio Grande do Sul,” Results with New Machinery, 327*
Breakdowns. See Accidents
Breaking Machine, Coal, Vertical-Pick Type (Nortons (Tividale), Ltd.), 673*
Brecknock, Taf Fechan Reservoir, 116*, 125*. See 144
Bremner, D. A., on the Position of the Engineering Industry, 619
Brewers’ Exhibition, Royal Agricultural Hall, 629
Brewerton Course Recorder for Ships, 319*
Bricks, Fire. See Firebricks; Refractory Materials
Bridge Architecture, Treatise on (Review), 291
Ferro-Concrete Arch, over Menai Straits, Proposed, 8*
Floating, over River Yare, 235*
Montreal Harbour, 161*
Movable (Review), 494
Railway, Design and Maintenance, 579. See 586
over River Elbe, at Hiimerten, Design and Method of Erection, 225*, 347*
over River Orbe, Switzerland, Reconstruction with Masonry Arches, 767*
River Mahi.Tndia, Replacement of Damaged Verticals, 65*
Steel-Arch, over River Usk, Newport, MOIL, 34*. See Addendum, 200
Suspension, Delaware River, Philadelphia, 576
Menai Straits, Proposed Replacement, 8*
Swing, Beccles and St. Olaves, London <fc
North Eastern Railway, Reconstruction. 779
Sydney Harbour, Construction of, Charging Machine for Plate-Heating Furnace, 136*
Wind Pressures on, National Physical Laboratory Investigations, 23*
See also Aqueduct; Culvert; Viaduct; and PARAGRAPH INDEX
Brighton Meeting, Institution of Public Lighting Engineers, 364, 429
Public Lighting of, 364
Brinell Tests. See Hardness under Tests (Materials)
Bristol Docks, Level-Luffing Cranes, 581*
University, Prospectus, 148

British Association (Leeds Meeting) :

Preliminary Notes and Programmes, 272
Inaugural Proceedings, 303
Presidential Address, by Sir A. Keith, on the Theory of Evolution, 303. See 685
Concluding Remarks, 608
Section 0.—Engineering;
Programme, 188
Reports of Discussions, 333, 350, 401, 413
Presidential Address, by Sir J. B. Henderson, on Invention and Progress, 309. See 301, 333
Lubrication of Surfaces under High Loads and Temperatures, by Dr. T. E. Stanton, 312*. See 333, 553
Hydraulic Model of the Electric Discharge, by Prof. W. Cramp, 314*. See 334
Coal Supplies and their Utilisation, by Dr. H. C. Lander, 340. See 334
Utilisation of our Coal Supplies, by Prof. J. W. Cobb, 341. See 334
Chemistry of Coal, by Prof. R. V. Wheeler, 344. See 334
Utilisation of the Earths Internal Heat, by J. L. Hodgson, 335
Super-Tension Cables, by P. Dunsheath, 501*. See 350. See also LETTERS, 526, 576, 590
Switchgear for Alternating Current, by H. W. Clothier, 467*. See 350
Mechanical Strength of Metal-Filament Lamps, by F. Murgatroyd, 593*. See 350
Development of the Jet-Wave Rectifier, by J. Hartmann, 338*, 377*. See 351
Thermionic-Valve Type Close Voltage Regulator, by F. C. Turner, 537*. See 351
Ideal Efficiency of Internal-Combustion Engines, by Prof. W. T. David, 371*. See 351
Low-Lift Axial-Flow and Centrifugal Pumps, by H. R. Lupton and J. H. W. Gill, 535*, 566*. See 401
Transport on the Farm, by R. B. Matthews, 372*. See 401
Apparatus for the Investigation of Belt Phenomena, by H. W. Swift, 438*. See 401. See LETTERS, 744
Experiments on Shearing Strength of Reinforced-Concrete Beams, by J. Gilchrist, 563*. See 413
Design of Large Low-Pressure Water Conduits, by H. H. Burness, 632*. See 414
Whirling Speeds of Shafts, by T. M. Naylor, 474*. See 415. See also LETTERS, 484, 526
Visits and Excursions, 415
Section A.—Mathematical and Physical Science:
Programme, 272
Reports of Discussions, 415, 462, 508
Presidential Address, by Prof. E. T.
Whittaker, on Relativity, 415
Spectra in all Stages of Ionisation, by Prof. R. A. Millikan, 416*
Regularities in Fuse Spectra, by Dr. A. C. Menzies, 462 ,
Recent Progress in Quantum Mechanics, by Dr. Heisenburg, 462
Note on a Theory of the Viscosity of Liquids, by Prof. E. N. da C. Andrade, 462
Polar Properties of Molecules, by Prof. P. Debye, 463
New Mass Spectrograph and the Whole Number Rule, by Dr. F. W. Aston, 463
Report of Committee on Seismological Investigations, 508
Determination of Stellar Temperatures, by Dr. C. R. Davidson, 509
Joint Discussion with Sections C and K, on Climates of the Past, 541. See 59
Section B.—Chemistry :
Programme, 272
Reports of Discussions, 509
Presidential Address, by Dr. N. V. Sidgwick, on Co-Ordination Compounds, 509
Co-Ordination Compounds of Molybdenum, By Dr. W. Wardlaw, 509
Multiplanar Rings and some Consequences of Strainless Motion, by W. A. Wight- man, 509
Discussion on Structure and Formation of Colloidal Particles, 509
Discussion on Chemistry of Hormones, 510
New Developments in the Study of Acid Catalysis, by Prof. H. M. Dawson, 510
Section C.—Geology :
Joint Discussion with Sections A and K on Climates of the Past, 541. See 59
Section E.—Geography :
Presidential Address, by Dr. R. N. R. Brown, on Polar Geography; 541
Section F.—Economic Science and Statistics :
Presidential Address by Prof. D. H. Macgregor on the Rationalisation of Industry, 331
Cause of High Prices, by Sir A. Yarrow, 347
Section H.—Anthopology :
Roman Roads in the Valley of the Tiber, by Dr. T. Ashby, 573
Section J.—Psychology :
Report of Committee on Colour Vision and Colour Blindness, 542
Normal Rate of Physical and Mental Work, by C. A. Mace, 542
Times and Motion Study in Industrial Psychology, by Dr. G. H. Miles, 542
Machine Speeds and Outputs, by S. Wyatt, 542
Section K.—Botany :
Joint Discussion with Sections A and C, on Climates of the Past, 541. See 59
Sub-Section K*.—Forestry:
Presidential Address, by Sir P. Clutter- buck, on Forestry and the Empire, 573
World’s Timber Supply and Consumption, by Prof. F. Story, 573
Utilisation of Soft Woods, by R. S. Pearson, 573
Maintenance of Permanent Soft Wood Supplies in North Western Europe, by A. C. Forbes, 573
Minor Forest Products. Papers by W. Dallimore and by S. K. Mukerji, 573
Forest Soils, by Prof. G. W. Robinson, 573 Forestry in Relation to Water Catchment
Areas, by Prof. A. W. Borthwick, 574
Paper Pulp from Bamboo, by W. Raitt, 574
Section L.—Educational Science :
Presidential Address, by the Duchess of Atholl, on Broadening the Outlook in Education, 606
Discussion on Education and Industry, 606
Papers on Textile Subjects:—
Higher Drafts in Worsted Spinning, by H. Priestman and A. W. Stevenson, 606
On the Stress-Strain Relationship of Single Wool Fibres, by J. B. Speak- man, 607
Textile Testing, Variability and Time Effects, by F. T. Pierce, 607
Chemical Aspects of Wool Research, by A. T. King, 607
Moisture Relations of Colloidal Fibres, by Dr. J. J. Hedges, 607
Standardisation of Fastness of Dyestuffs, by Dr. S. G. Barker, 607
Action of Sunlight on Cotton, by Dr. G. Barr and Miss J. H. Hatfield, 607
Ultra-Violet Radiation as an Aid in Textile Analysis, by H. R. Hirst, 607
Physical Properties of Artificial Silk, bv A. L. Wykes, 607 4
Air Conditioning and Hygrometers, by Dr. E. Griffiths, 607
British Brown Boveri, Ltd., 19,000-kw.Turbo - Generators, Ferrybridge Power Station, 529*
British Electrical and Allied Manufacturers Association, Report on Combines and Trusts, 269. See 331, 431; Trade Survey, 561
British Electrical Development Association, Work of, Domestic Use of Electric Power, 274. See 488.
British Engine Boiler and Electrical Insurance Co., Ltd., Report on Power Plant Failures, 208
British Engineering Standards Association. See Engineering Standards
British Imperial Oil Co. (New Zealand), Ltd., Motor Oil Tanker “ Paua,” 406*
British Mercedes, Ltd. Motor Lorry with Crude Oil Engine, 706
Navy. See H.M. under Warships
Railways. See Pailways
British Rema Manufacturing Co., Pulverising Mill, 265*
British Rolling Mills, Ltd., Automobile Case-Hardening Steel, 796
British Rotary Filter Co., Ltd., Rovac Filters, 386*
Shipbuilding. See Shipbuilding
Shipping. See Shipping
British Thomson-Houston Co., Ltd., Electrical Equipment, Dragline Excavator, 639*. See 609*
Trade. See Trade
Brittleness in Boiler Plates, Investigations, 216*. See 140, 638
Steel at High Temperatures, Tests for, 400, 409, 664*
Temper, Nickel-Chromium Steels, Investigations, 444, 595*
Brooke, J. W., and Co., Ltd., 40-100-h.p. Marine Motor, 392*
Brooklyn Engineers’ Club, Durability of Structural Steel, by F. W. Skinner, 770
Brotherhood, P., Ltd., Agricultural Tractor with Parker Gas Producer, 54*
Brown, Boveri and Co., Single-Phase Generator, Walchensee Hydro-Electric Power Plant, 449*; Turbo-Generators, Ferrybridge Power Station, 529* ; Investigations of Turbine Blade Erosion, 652; High- Pressure Turbine, Langenbrugge Power Station, 729*
Brown Coal, Use for Electricity Supply, Victoria, Australia, 777
Brow, Dr. R. N. R., on Polar Geography, 541
Brow, S. G., Ltd., Rudder-Angle Recorder for Ships, 392*
Brownlie, D., on Low-Temperature Carbonisation Processes, 36
Bruston Auto-Pneumatic Water Supply System, 681
Buehler, W., on the Chinese Machinery Market, 29 ; on the Machinery Market in Japan, 103
Buck and Hickman, Ltd., Pratt and Whitney Super-Micrometer, 747*
Bucket, Wire Ropeway, for Sticky Materials, 673*
Conveyor. See Conveyor
Buckley, R. B., the Late, 847*
Building Construction, Treatise on Plastering (Review), 463
Use of Timber (Review), 508
See also Ferro-Concrete and PARAGRAPH INDEX
Electrical Equipment of, Regulations, 10
Factory, Electrically-Welded Steelwork, 210*
Umbrella Type Roof, 13*. Sec 236
Fort Frederick, Albany, U.S., Moving to New Site, 202*
Heating, Oil Fuel versus Coke for, 137, 275, 328, 402, 456, 484, 526, 590. See 550*
Building Masonry Structures, Treatise on (Review), 132
Materials, Fire-Resisting Properties, 332
Public, Acoustics of, 105
Research Board, Report on Fire-Resisting
Properties of Building Materials, 332
Steel Framed, Corrosion and Durability of Steelwork, 770
Structural Steelwork for, Report on Design, 304
Vibrations of, National Physical Laboratory Investigations, 23
Bulleid, Professor C. H., Fatigue Tests of Cast Tron, 827*
Bunge, J. H. O., Doby Stokers, 778*
Buoyant Lamp for Life-Saving at Sea, 352*
Bureau of Mines. See United States
of Shipping. See United States
of Standards. See United States Burma, Port of Rangoon, Annual Report, 589
Burmeister and Wain Type Diesel Engines M.S.“ Saturnia,” 455*
Burmeister and Wain’s Works, Settlement of Strike at, 304
Burn Reducing and Reversing Gear, 342*
Burner, Combined Oil and Pulverised Coal, Peabody, 792*. See 788*, 810, 819
Oil Fuel. See Oil Fuel
Pulverised Fuel, Babcock and Wilcox, 820*
Burness, H. H., on the Design of Conduits, 632*. See 414
Burnham, T. H., on Torsional Fatigue Limits, 33*
Burt-McCullum System, Sleeve Valves, Karrier Motor-Omnibus Engine, 704*
Burtoning Process, Cargo Handling, Port of New York, 381*. See 498*
Bushings .Locomotive Piston Valve, Centrifugal Castings for, 580*
Buxton Colliery Research Station, Opening, 20
Byrd, A. A., and Co., lvoehring Combined Concrete Mixer and Spreader, 691

C

CABLE-PLOUGHING Gear, Diesel Engine-Driven (J. Fowler and Co. (Leeds), Ltd.), 75* : (J. and H. McLaren, Ltd.), 76*
See also Wire Ropes and Electric Cableway. See Wire Ropeway
Cadillac Motor Car Co., Hardening Gear Wheels, Comparative Tests, 498
Cadmium Alloys. See Alloys under Metallurgy
Sulphate Standard Cells, National Physical Laboratory Investigations, 242
Caisson Foundations Piers, Newport Bridge, 34*
Pneumatic, Shaft Sinking, Holland Tunnel, New York, 667*
Calibration, End-Gauge Comparator, Optical Interference, 577*
Calibrator Forced-Feed Lubricator, 756* California, Stevenson Creek, Experimental Dam, Investigations of Deflections and Stresses, 191*
Caloriflers, Heating and Hot-Water Supply, University College Hospital, 2*
Cambridge Instrument Co., Ltd., Magnetic Bridge Permeameter, 281* : Pyrometers for Surface-Temperature Measurements, Hydrostatic Temperature Regulator, and Thread Recorder, 319*. See Erratum, 401
Meeting, Institution of Naval Architects. See Naval Architects
Cameron Falls Hydro-Electric Power Station, Ontario, 4. See 290
Campbell, D. F., on High-Frequency Induction Melting, 444
Campion, J. M., the Late, 849
Cams, Work Hardening by Abrasion, 471*. See 420*, 445
Canada, Civil Aviation in, Report, 240
Development of, Opportunities for British Trade, 398, 751
Engineering Exhibitions at Toronto, 398,
Hydro-Electric Power in Ontario, Report 4, 290
Mineral Wealth of, 556. See 691
Port of Montreal, 157*
Use of Marl in Cement Manufacture, 143 Canadian Market for British Machinery, 398,751
National Exhibition, Toronto, 398 Canadian Pacific Steamship Co., Launch of S.S. Duchess of Atholl,” 682
Standard Code, Electrical Apparatus, 721, 815
Canals, British, Development of, 578. See 585
Irrigation, in India, 453
India, Dragline Excavator for Construction, 608*, 639*
Panama, Inception, Construction and Capacity, 250
and Trade Routes for Motor Ships, 398
Traffic Statistics, 267
Sault Ste. Marie, Traffic on, Comparisons with Panama Canal, 252
Suez, and Trade Routes for Motor Ships 398
Tunnel, Villalba Power Plant, Spain, 101*
See also PARAGRAPH INDEX
Candle Power, Mean-Spherical, Measurement of, 262*
Cantiere Navalo Triestino, M.S. “ Saturnia,” 455*
Cantilever Bridge. See Bridge
Cantor Lectures on Alloy Steels, 688, 785
Capacity. See Electric
Capital and Labour. See Labour
Capron, J. D., on Centrifugal Casting Processes, 57*
Caprotti Valve Gear, Locomotives, Comparative Tests, L.M.S. Railway, 292*
Capstan, Warping, Electric, with Hele-Shaw Beacham Transmission Gear, 393*
Car Dumper, Grain, Philadelphia, 539*
Motor. See Motor Cars
Carbon-Dioxide Compressor, Refrigerating Plant (J. and E. Hall, Ltd.), 324*
Fire-Extinguishing System for Ships, Lux-Rich, 353*. See 360, 426
Carbon-Monoxide in Exhaust from Motor Vehicles, 603
Carburettor, Claudel-Hobson Type, Napier Lion Aero Engine, 572
Carburisation. See Heat Treatment under Metallurgy
Cardiff Engineering Exhibition, 673*, 708*
Cargo Handling, Burtoning Process Port of New York, 381*. See 498*
Sheds, Port of New York, 289*. See 381* :
Port of Philadelphia, 498* : Port of Baltimore, 637*
Steamers. See Steamers
Carnegie Medals, Iron and Steel Institute, Award of, 432
Carpenter, Prof. H. C. H., on Alloy Steels 688, 785
Carriages, Railway, Use of Light Alloys, 336
Steel Construction, Sydney Metropolitan Railways, 231*
Cascade Tunnel, Great Northern Railway, United States, 214
Case-Hardening Steel for Motor Car Work, 796
See Heat Treatment under Metallurgy
Cask-Washing Machines, Brewers’ Exhibition, 630
Cast Alloys, Shrinkage Cavities in, 367
In Joints, Strength of, 215*. See Erratum, 232
Iron, Action of Superheated Steam on, 209
Constitution of, New Theory. 431
Fatigue Tests of, 827*
Influence of Nickel and Silicon, 444
Pipes, Caulking Stresses in Sockets, 39
Pipes, Centrifugal Casting in Sand Moulds, 839
Steel Flywheel, Tests for Soundness, 625*
Casting, Centrifugal, Cast Iron Pipes, in Sand Moulds, 839
Centrifugal, Locomotive Piston-Valve Bushings (Newton, Chambers and Co., Ltd.), 580*
Processes, Development, 57*
Spun-Sorbitic Process, 386*, 580*
Steel, Carburisation of Outer Skin, 625*
Flywheel, Tests for Soundness, 625*
Catalogues, 187, 205, 220, 231, 276, 305, 327, 328, 346, 380, 404, 442, 474, 505, 538, 599, 634, 666, 700, 765, 796, 827. See PARAGRAPH INDEX
Catalysis, Acid, New Developments, 510 Catchment Areas, Forestry in Relation to. 674. See 750
Caterpillar Tractor. See Tractor
Cathedral, St. Pauls, Staybrite Steel for Concrete Reinforcement, 134*
Cathodic Disintegration, Metallographical Etching by, 385, 410*
Caulking Stresses, Sockets, Cast-Iron Pipes, 39
Cavities, Shrinkage, in Cast Alloys, 367
Ceag, Ltd., Lumex Glass for Miners Lamps, 709*
Cells. See Electric
Cellulose, Fibrous, Manufacture of, 51
Cement Consistency Tests, Vicat Needle with Dashpot, 417*
Fire-Resisting Properties, 332
Manufacture, Use of Diatomaceous Earth (Moler), 142
Use of Shell Deposits and Marl, 143
Portland, Modern Plant for Manufacture, 671, 697*. See Erratum, 715
See also Concrete and PARAGRAPH INDEX Cementation. See Heat Treatment under Metallurgy
Cementite, Solution in Alpha Iron, 446, 472*
Census of Production Statistics, Tool, Implements and Cutlery Trades, 179
Central Scotland Electricity Scheme, Frequency Standardisation, 589
Station. See Power Station
Centrifugal Casting, Cast-Iron Pipes, in Sand Moulds, 839
Locomotive Piston - Valve Bushings (Newton, Chambers and Co., Ltd.), 580*
Processes, Development of, 57*
Spun-Sorbitic Process, 386*, 580*
Oil Purifiers, Renault, for Motor – Car Engines, 516*
Pumps. See Pumps
Stresses in Turbine Rotors, 625*
Washer for Blast-Furnace Gas (Richardsons, Westgarth and Co., Ltd.), 673*
Ceramic Clays, Mechanical Composition and Properties of, 451.
Society (Refractory Materials Section)
Autumn Meeting, Bournemouth : Open-Hearth Steel Works Refractories, by A. T. Green, 450 ; Silica Bricks made Without Added Bond, by W. J. Rees and W. Hugill,451; Experiments on Drying Clay, by R. S. Troop and F. Wheeler, 451 ; Crushing Strength of Unflred Clay Bodies, by W. C. Hancock and J. G. Cowan, 451 ; Characterisation of Clay, by Dr. A. F. Joseph, 451 ; Effect of Temperature on the Mechanical Properties of Silica Products, by A. J. Dale, 504
Chaff Cutter (Clayton and Shuttleworth, Ltd.), 78
Chain-Track Tractor. See Tractor
Wrought Iron, Causes of Brittleness, 39
Change-Speed Gear. See Gear; Motor-Car Details
Channels, Concrete, Machine for Making (Winet (1914), Ltd.), 688*
Chapman, W. R., on Coal-Cleaning Processes, 51
Charcoal, Precipitation of Gold and Silver from Cyanide Solutions, 252
Charging Machines, GibbOns-Van Marie, for Industrial Furnaces, 136*
Charing Cross Electricity Supply Co. Diesel-Electric Set for, 795*
Chart, Velocities in Water Conduits, 105*
Chaseside Engineering Co., High-Lift Loading Shovel, 645*
Chassis, Motor-Car, Tubular-Frame, Austro-Daimler, 762*
Chelsea Polytechnic, Classes in Metallurgy and Assaying, 369
Chemical Analysis. See Analysis
Aspects of Wool Research, 607
Engineering Economics (Review), 658
Chemical Engineers, Institution of, Associate Membership Examination, 204 ; Submerged Combustion, by N. Swindin, 754 ; Principles of Refrigeration, by G. W. Daniels, 787 ; Refrigeration as Applied in the Chemical Industry, by L. Chew, 787 ; Weighmeter for Washing Machines, bv R. G, Parker, D. N. Jackman and J. K*. Vowler, 787 ; Properties of Silica and Fireclay Products, by A. T. Green, 787
Industry, Use of Refrigeration, 787
Industry, Society of, Some Aspects of the Manufacture of Fibrous Cellulose, by Dr. J. L. A. Macdonald, 51 ; Comparisons of Processes for the Cleaning of Coal, by W. R. Chapman and R. W. Wheeler, 51 ; Froth Flotation as Applied to a Baum Washer, by W. Guider, 51 ; Preparation of Coal for Market, by F. S. Sinnatt, 51 ; Notes on the Cleaning of Coal, with Special Reference to Pneumatic Separation, by C. W. H. Holmes, 51; Automatic Analytical Control of Water-Softening Plants, by Dr. H. S. Hatfield, 786 : Oil Pollution of Seas and Harbours, bv C. S. Garland, 815
Society, Tungsten Reactions in Gas-Filled Lamps, by Dr. C. J. Smithells and H. P. Rooksby, 621
Chemistry, Acid Catalysis, Developments, 510
Acidity of Lubricating Oils, Tests for, 526. See 552
Alkali Works. Report on, 188
Ammonia and Nitric Acid Production (Review), 98 .
of Artificial Fertilisers (Review), 178
Atmospheric Nitrogen Industry (Review), 98
Automatic Analytical Control, Water-Softening Plants, 786
of Coal. 334, 344
Composition of Cracked Distillates, 727
of Co-Ordination Compounds, 509
of Corrosion. See Corrosion
of Hormones, 510
Inorganic and Theoretical, Treatise on (Review), 98
Precipitation of Gold and Silver on Charcoal from Cyanide Solutions, 252
Rontgen-Ray Investigations of Colloids, 509
Tungsten Deposits in Gas-Filled Lamps, 621 See also PARAGRAPH INDEX
Chettoe, C. S., on Design of Deep Culverts, 680
Chew, L., on Refrigeration in the Chemical Industry, 787
Chicago, Crawford Avenue Power Station, 60,000-kw. Turbine for, 613*
Water Supply and Sewage Pollution of Lake Michigan, 492
Chilian Navy, Destroyers for, 236
China, Shanghai Electric Power Supply, 172
Chinese Market for Machinery, 29
Chittenden, J. P., on Higher Steam Pressures, Application to Turbines, 610*, 728*, 763*. See 621
Christie, J., on the Public Lighting of Brighton, 364
Christie and Grey, Ltd., Anti-Vibration Foundations, 259*
Chromium and Chromium-Vanadium Steels, Properties and Uses, 688, 785
Cierva Autogyro Aeroplane, National Physical Laboratory Investigations, 146.
Circuit Breakers. See Switchgear
Circular Saws. See Saws under Machine Tools
Circulating Pumps. See Pumps
Water Screens, Ferrybridge Power Station, 529*
Circulators, Boiler-Water (Loveridge, Ltd.), 714
Citroen Gear Co., Ltd., Andreau Differential-
Stroke Internal-Combustion Engine, 613*
City and Guilds of London Institute, Report, 204 ; Prospectus, 369
of London College, Metallurgical Lectures, 369
Civil Aerial Transport. See Aeronautics.
Engineers, American Society of, Presidential Address on the Panama Canal, by J. F. Stevens, 250
French Society of, Recent Progress in Hydrodynamics, by G. Darrieus, 277*, 294*, 405*, 440*, 500*

Civil Engineers, Institution of :

Report of Committee on Deterioration of Structures in Sea Water, 49, 475. See 847
Report on Tabulating Results of Heat Engine Trials, 239
Presidential Address, by E. F. C. Trench, on the Development of Inland Transport, 577. See 585
Plastic Yield, Shrinkage and other Problems of Concrete, and their Effect on Design, by Dr. O. Faber, 661. See 586
Sewage Treatment Works of the City of Trenton, N.J., U.S.A., by G. L. Watson, 721
Reconstruction of Two Railway Swing- Bridges, by K. B. Turner and R. E. Walsh, 779*
Clarke, Chapman and Co., Ltd., Pulverised-Fuel System for Marine Purposes, 122*. See 85,108
Claudel-Hobson Type Carburettor, Napier Lion Aero Engine, 572*
Clay, Experiments on Drying, 451
Fire. See Firebricks ; Refractory Materials
Mechanical Composition and Properties of, 451
Clayton and Shuttleworth, Ltd., Exhibits at Royal Agricultural Show, 78
Cleaning Coal, Comparisons of Processes, 51 Cleveland Iron Prices. See Metal – Price Diagrams
and the Northern Counties, Notes from, 14, 46, 79, 109, 138, 170, 205, 236, 267, 298, 329, 360, 395, 425, 456, 488, 520, 552, 582, 617, 648, 682, 714, 748, 781, 810, 842. See PARAGRAPH INDEX
Climates of Past Ages, British Association Discussion on, 541. See 59
Climates. See also Meteorological
Clinker, Cement, Rotary Cooler and Weighing Machine for, 699*. See 715
Clothier, H. W., on Switchgear for Alternating
Current, 467*. See 350
Cloudburst Process. Superhardening of Steel, 420*. See 445, 470*
Clowes, G. S. L., on Ships from Pepys’ Manuscripts, 89. See 84
Clutch, Free-Wheel, for Motor Cnrs, Vulcan, 515*
See also Motor-Car Details
Clutterbuck, Sir P., on Forestry and the Empire, 573
CO2. See Carbon Dioxide
Coaches, Railway. See Carriages
Coal-Breaking Machine, Vertical-Pick Type (Nortons (Tividale), Ltd.), 673*
Brown, Use for Electricity Supply, Victoria. Australia, 777
Chemistry of 334, 344
Cleaning, Comparisons of Processes, 51
Conveyors for Colliery Use, 676*, 711*
Cutters, Pickrose Compressed-Air Engine for, 710*
Cutting Machines, Chain Type (Anderson, Boyes and Co., Ltd.), 708*
Machine, Chain Type, with Spiro Air Motor (Diamond Coal Cutter Co., Ltd.), 711*
Machines, Gate-End Starter for (Switch-gear and Cowans, Ltd.), 676*
Machines, Safety Plug for Trailing Cables (A. Hopkinson), 710*
Machines, Sullivan Shortened Type, 708
Gas. See Gas
Handling Plant, Curtis Bay, Port of Baltimore, 829*
Plant, Ferry bridge Power Station, 527*
Plant, Pneumatic, Colman’s Works, Norwich (H. Simon, Ltd.), 453*
Plant, Pneumatic, Nuvako System, 741*
Sauerman Drag Scraper for, 121*
Industry, Attitude Towards Oil-Driven Ships, 588
Czechoslovakia, 590
Position and Prospects, 20
Low-Temperature Carbonisation, Development by Gas Light and Coke Co., 82
Temperature Carbonisation, Economic Importance, 334, 340, 341
Temperature Carbonisation, Liquid Fuel Production, 720
Temperature Carbonisation Processes, 36
Temperature Carbonisation, Work of Fuel Research Board, 194
Machine Cut, in Britain and United States, Statistics, 631
Mine. See Colliery
Mining, Buxton Research Station, Opening of, 20
Industry, Canadian. 557. See 691
Operations, Dust Production, 204
Oil Production from, Bergius Process, 194, 719
Preparation for Market, 51
Production and Consumption in Great Britain, 340
Prices, British and Foreign Railways, 144
Pulverised. See Pulverised Coal
Pulverising Mill, the Rema, 265*
Resources, Physical and Chemical Survey, 193
Ruhr, Tests on Pulverised Firing, 14
Supplies and Utilisation, 334, 340, 341
Temperature of Initial Decomposition, 64*
Washer, Baum, Application of Froth Flotation Process to, 51
See also PARAGRAPH INDEX
Coalfield, South Staffordshire, Geology of (Review’), 835
Coalite. See Coal, Low-temperature Carbonisation
Coast Erosion and Defence, British Isles, 732
Cobb, Prof. J. W., on Utilisation of Coal Supplies, 341. See 334
C'obham, Sir A., Seaplane Flight Round Africa, 721
Cockerill Works, Anniversary Celebrations, 461
Coefficient of Discharge, Air-Measuring Nozzles, Determination, 5*. See LETTERS, 838
of Expansion, Invar, National Physical Laboratory Investigations, 273
Coety Dam, Dolgarrog, North Wales, Reconstruction of, 177*
Cohesion, Nature of. Discussion on, 753
Coke, Behaviour in Blast Furnace, 432, 435*, 839
Blast-Furnace, Effect of Ash, 432, 435*
Metallurgical, Work of Fuel Research Board, 194
Oven Gas, Distribution by High-Pressure Pipe Lines, 173
versus Oil Fuel for Domestic Heating, 137, 275, 328, 402, 456, 484, 526, 590. See 550*
Coking Industry, British, and its Products, 719
Low-Temperature, of Coal. See Coal
Stoker. See Stoker
Colas Products, Ltd., Bitumen Emulsion Road Sprayer, 643*
Cold-Drawn Steel Tubes, Heat Treatment of, 797*, 831*
Storage, Food Preservation by, Physical and Biological Aspects, 720
Warehouse, Port of Montreal, 160*
See also Refrigeration
Stores, Heat Insulation, National Physical Laboratory Investigations, 212
Coleman, T., and Sons, Ltd., Tar-Spraying Machine with Grit-Spreader, 726
College. See Education Collieries, Coal Conveyors for, 676*, 711*
Dust Production in Mining Operations, 204
Gas Ignition by Hot Wires in, 505
Measurement of Air Flow in, 536
Pneumatic Tools for, 675
Safety in Mines Research Board, Flame proof Electrical Apparatus, Ring Relief Protection, 762
Wire Ropes for, Standard Specification, 794 Colliery Industry, Position and Prospects, 20
Lamps. See Safety Lamps
Machinery, Lubrication of (Review), 463
Colliery Research Station, Buxton, Opening of, 20
Switchgear, Ring Type Flameproof Pressure Relief, 762
Tubs, Automatic Tippler for (Nortons (Tividale), Ltd.), 673*
Parts, Standard Specifications, 79
Ventilation, Dupont Ventube Fabric Piping, 711
Winding. Sec Winding
See also Mines and Coal Collinson, A. H., the Late, 83
Collisions. See Accidents
Colloidal Fibres, Moisture Relations of, 607
Colloids, Rongtcn Ray Investigations of, 509
Colman’s Works, Norwich, Pneumatic Coal-Handling Plant 453*
Colour-Mixing Machines (.). Foster and Sons) 298*
Vision and Colour Blindness, Report on, 542
Columns, Ferro-Concrete, Concrete Shrinkage and Stresses in Steel, 586, 661
Ferro-Concrete, Spiral Reinforcement, Austrian Experiments, 188
Combination, Industrial, Need for, 331
Combines and Trusts, Electrical Industry, 269. See 331, 431
Combustion, Submerged, Possible Uses, 754
See also Fuel ; Gases ; and Gaseous Explosions
Commercial Aviation. See Aeronautics
Motor Cars. See Motor
Vehicles Exhibition, Olympia, 655*, 694*, 703*
Commerce. See Trade. See also Industries and Commerce in PARAGRAPH INDEX
Commission, Royal. See Royal Commission Committee, Engineering Standards. See Engineering and Standardisation
Heat Engine Trials, Report on Tabulating Results, 239
Commonwealth. See Australia Companies. See PARAGRAPH INDEX Comparator.
End-Gauge, Calibration by Optical Interference, 577*
Compounds, Co-Ordination, Chemistry of, 509
Locomotives. See locomotives
Stress. See Tests (Materials) Compressed-Air Engine, Pickrose, for Colliery Use, 710*
Engine for Shaker-Conveyor Drives, 711
Explosion, Deptford Power Station, Report on, 718. See Erratum, 748
Motor, Spiro, Coal-Cutting Machines, 711*
Tools. See Machine Tools
Turbine and Fan for Colliery Use (Mining Engineering Co., Ltd.), 711*
Turbine, Miners’ Electric Lamp, 709*.
See Erratum, 781 See also Pneumatic
Concrete Piles, MacArthur, 232*
Metal Powder, Grain Growth in, 368
Compressor, Air. See Air Compressor
CO2, Refrigerating Plant (J. and E. Hall, Ltd.) 324*
Concert Halls, Acoustics of, 105
Conciliation in Labour Disputes. See Labour ; and PARAGRAPH INDEX Concrete, Architectural Design in (Review), 258
Blast-Furnace Slag for, Disintegration Test, 280
Effect of Plastic Yield and Shrinkage on Design, 586, 661
Equipment, Ltd., Concrete-Mixing Machine, 726*
Fire Resisting Properties, 332
Institute, American, Concrete Shrinkage and Stress Distribution in Ferro-Concrete
Columns, by P. J. Markmann, 586. See 661
Kerbs and Channels, Machines for Making Winget (1924), Ltd.), 688*
Lining, Cast-Iron Segments, Holland Tunnel, 738*
Mixers (Marshall, Sons and Co., Ltd.), 73*
Multiple-Batch (Concrete Equipment, Ltd.), 726*
Motor-Driven, with Hoisting Gear (J. Fowler and Co. (Leeds), Ltd.), 28*
Portable Open-Drum Type (Goodwin, Barsby and Co., Ltd.), 642* ; (F. Parker, Ltd.), 644* ; (Winget (1914), Ltd.), 688* ;(Ransomes and Rapiers, Ltd.). 689 and Spreader, Koehiing Combined, 691
Vacuum, for De-Aerated Concrete (Metal Trades Technical, Ltd.), 689*
Piles, Compressed, MacArthur, 232*
Reinforcement, Staybrite Steel, St. Paul’s Cathedral, 134*
Reinforced. See Ferro-Concrete
Silos, Construction with Movable Shuttering, 237
Sleepers for Tramways, Melbourne, 426
Structures, Destruction in Sea Water, 49, 475
See also Ferro-Concrete and PARAGRAPH INDEX
Condenser, Air-Cooled, Ljungstrom Turbine Locomotive, 773*, 802*
Pumps for. See Pumps, Air
Trials, Report on Tabulating Results, 240
Tubes, Copper Alloys for, 335
Condensing Plant, Ljungstn in Turbo-Generator, 508*
Two-Stage Air Ejector for (Metropolitan-Vickers Electrical Co. Ltd.), 323*
Conductivity, Thermal, of Quartz, Determination, 212
See also Electric
Conduits, Ferro-Concrete, Design and Construction, 680
Pressure, and Tunnels, Statical Problems (Review), 290
Water, Chart for Estimating Velocities, 105*
Large, Low Pressure, Design, 414, 632*
Conference and Exhibition, Engineering Materials, Berlin, 734
Geneva, Limitation of Naval Armaments. See Warships
High-Tension, Paris, Scope of 460
International, Medical Uses of Light, 786
Proposed, on Industrial Situation, Trades Union Congress, 845
Punjab Engineering, at Lahore, 433
Rural Electric Supplies, Electricity Commissioners, 755

Conference, World Power, Sectional Meeting on Fuel, 144, 525
Congress, International, on Scientific Management, Home, 365
Motor Transport, London, 652
Public Works. See Public Works Congress Connecting-Rod Bolts, Failures of, 209
Locomotive, Floating Bush for, 723*
Conservation of Coal. See Coal; Fuel; Pulverised Coal
Considere Constructions, Ltd., Ferro-Concrete Arch Bridge over Menai Straits, 8*
Consistency Tests, Cement, Vicat Needle with Dashpot, 417*
Consulting Engineers, American Institute of, Discussion on Expert Evidence, 143
Employment by Architects, 81
Contractor’s Work, Autobiography of George Pauling (Review), 69
Control, Automatic Analytical, Water-Softening Plants, 786
Boiler Plant, Hagan System, 325*
Controllers, Electric Motor. See Motors, Electric Converters, Rotary, Design, Construction and

Operation (Review), 178 Conveying, Nuvako Pneumatic System, for Coal, <fec., 741*

Conveyor, Band, with Continuous Weight Recorder, for Cement Plant, 697*
Belt, Chain Type, for Collieries (Stothert and Pitt, Ltd.); 676*
Grain Handling, Port of Philadelphia, 539*
Loading Gear for Colliery Use (Diamond Coal Cutter Co., Ltd.), 711*
Mechanical, for Farm Use, 372*. See 401
Rope-Belt Type, for Collieries (Stothert and Pitt, Ltd.), 677*
Sectional, for Colliery Use (Diamond Coal Cutter Co., Ltd.), 711*
Shaker, Compressed-Air and Electric Driving Gear (Mining Engineering CoF Ltd.), 711*
Slat for Boxed Goods, 519
Cook, W. T., on Copper-Magnesium Alloys, 367
Cooler, Rotary, for Cement Clinker, 699*. See 672, 715
Cooling Curves, Alloys. See Metallurgy
Co-Operation. See Labour
Co-Ordination Compounds, Chemistry of, 509
Co-Partnership. See Labour
Copper Alloys. Sw Brass; Bronze; Gunmetal; and Alloys under Metallurgy
Constantan Thermo-Couples, E.M.F. at High Temperatures, 838*
Prices. See Metal-Price Diagrams
See also Metallurgy
Coresil Anti-Vibration Foundations, 260*
Cork, Use for Preventing Machinery Vibrations, 260*
Corona Discharge, Effect on Petroleum, 261
Corrosion, Aluminium and Alloys, Protection by Electro-Deposition and Anodic Oxidation, 376*, 385, 442
of Bearings, Lubricating Oil, 526. See 552
of Contact Surfaces of Measuring Machines.273
Iron and Steel, Marine Structures, 49, 475
Oil Pipe Lines, 254
Resisting Alloys, Condenser Tubes, 335
Riveted Joints of Boilers, 180
Structural Steelwork, Effect on Durability, 770
Cost of Living, Cause of Increase. 347
Cosulich Line, M.S. “ Saturnia,” 455*
Cotton, Action of Sunlight on, 607
Counter, Revolution, Sperry Electrical, 319*
Coupling Rods, Electric Locomotives, Design of, 95*
Locomotive, Floating Bush Type, 723*
See also Clutch
Course Recorder for Ships, Brewerton, 319*
Coventry, Industrial Development, 26
Coverings. Non-Conducting. See Heat Insulation
Cow-Sheds, Transport Appliances for, 373*. See 401
Cowan, A. A., on Shrinkage Cavities in Cast Alloys, 367
Cowan, J. G., on the Strength of Unfired Fireclay Bodies, 451
Cozette Supercharger, Motor Car Engines, 518*
Cracked Distillates, Composition of, 727
Petrol, Effects of Corona Discharge, 261
Cracking of Boiler Plates, Investigations, 216* :(Review), 638
Plates, Prolonged Tests at High Temperatures 400,409
Petroleum, Use of Inert Materials in, Bowie Gavin Process, 148
Cracks in Steel, Detection by Magnetic Tests, 663*
Crainb, A. C., on Street Lighting, 364. See 429
Cramp, Professor W., Hydraulic Model of Electric Discharge, 314*. See 334
Cranes, Cargo-Handling, Gladstone Dock, Liverpool (Stothert and Pitt, Ltd.), 73*. See 115
Electric 350-ton, League Island Navy Yard, Philadelphia, 575*
Level-Luffing, at Bristol Docks, 581*
Hooks, Strength of, 209
Hydraulic Brake for, Hele-Shaw Beacham System, 393*
Wire Ropes for, Standard Specification, 823
See also Hoists
Crankshafts and C’rankpins, Failures of, 209
Dynamic Balancing Machine for, Avery-Linley, 25*
Crawford Avenue Power Station, Chicago, 60,000-kw. Turbine for, 613*
Creep Stresses, Iron and Steel, National Physical Laboratory Investigations, 39, 181*, 837*
Tests, Nickel-Chromium and Mild Steel, 44
Creosoting, Effect on Strength of Timber, 475
Critical Points, Metals. See Metallurgy
Speeds of Shafts, 415, 474*. See LETTERS, 484, 526
Crossley Brothers, Ltd., Automatic Electric Installation for Country Houses, 42*
Crude Oil Engines. See Engines, Oil Cruisers. See Warships
Crumpsall Institution, Air-Pressure Boosters for Water Supply, 630*
Cruse-Gray Superheater for Locomotives, 386*
Crusher, Stone, Hadtlelds’ Disc Type, 727
Crystals, Atomic Structure of, Stereoscopic Photograplis, 780
Piezo-Electric. See Piezo-Electric Oscillators
Single, Metals, Cohesion Phenomena, 753
Metals, Effect of Temperature on Work-Hardening, 761*. See 755
Crystalline Structure of Metals, Investigation ‘ by X-Rays, 627*, 811. See Erratum, 616
See also Metallography; Microphotographs
Culverts, Deep, Design of, 680
Cunningham, Dr. B., on Western Ports of the North Atlantic, 157*, 286*, 381*, 495*, 539*, 575*, 635*, 701*,.829*
Cupola, Foundry, History of, 830*
Cuprous-Oxide Rectifier for Alternating Current, 615*
Current, Electric. See Electric
Curtis Bay Coal-Handling Plant, Port of Baltimore, 829*
Cutlery Trade, Census of Production Statistics, 179
Chitting Machine, Root (Harrison, McGregor and Co., Ltd.), 75*
Tools, High-Speed Steel, Investigations of Hot Hardness, 755, 759*
Research Committee, Institution of Mechanical Engineers, Report on Cutting Temperatures, 755, 759*
Cyanide Solutions. Precipitation of Gold and Silver from, 252
Cycle Factory, Swedish, Scientific Management in, 366
and Motor Cycle Exhibition, Olympia, 588
Motor. See Motor Cycle
Cylinder Castings, Baldwin Three-Cylinder Compound Locomotive, 133*. See 103*
Efficiency of Locomotives, 824*, 855*. See 817
Elliptic, Stream Lines round, 86*
Silk-Drying, Steam-Heated, Explosion, 534
Czechoslovakia, Industrial and Economic Situation, 589

D

DALE, A. J., on Effects of Temperature on Silica Products, 504
Dam, Arch, Experimental, Stevenson Creek, California, Investigation of Deflections and Stresses, 191*
Coety, Dolgarrog, North Wales, Reconstruction of, 177*
Design and Construction of (Review), 131
Nag Hammadi Barrage, River Nile, 275
Damping Device Motor-Car Steering Gear (Herbert Engineering Co. (1924), Ltd.), 517*
Daniels, G. W., on Refrigeration, 787
Danish. See Denmark
Darrieus, G.. on Recent Progress in Hydrodynamics, 277*, 294*, 405*, 440*, 500*
Darwinian Theory of Evolution, 303. See 685
Dashpot Attachment for Vicat Needle, Cement-Consistency Tests, 417*
Davey, Paxman and Co., Ltd., Heavy-Duty Oil Engine, 316*
David, Prof. W. T., on Efficiency of Internal- Combustion Engines, 371*. See 251
Davidson, Dr. C. R., on Determination of Stellar Temperatures, 509
Davies, B. P.. on the Organisation of Highways Work, 679
Davies. S. J., on Air-Measuring Nozzles, 5*. See LETTERS, 838
Davies Magnetic Separator for Ores, 746*
Davis, J., and Son (Derby), Ltd., Pneumatic-Electric Lamp for Mines, 709*. See Erratum, 781
Davit, Nielsen, for Ships’ Boats, 775*
Dawson, Prof. H. M., on Acid Catalysis, 510
Dawson, Sir P., on Electricity Supply and Fuel Utilisation, 687
Daylight Signalling Lamp (C. A. Vandervell and Co., Ltd.), 352*
De Lavaud Process, Centrifugal Casting, 58*
De Lavals Angturbin, Aktiebolaget, Super-Pressure Turbo-Generator, 164*
High-Pressure Geared Turbine, Fors Aktiebolaget, 730*
De-Aerated Concrete, Mixing Machine for, 689*
Debye, Prof. P., on the Polar Properties of Molecules, 463
Decomposition, Initial, of Coal, Temperature of, 64*
Deflection Measurements, Experimental Arch Dam, 191*
Delaware River Suspension Bridge, 576
Deluge Type Electric Motors,Marine Auxiliaries, 320*
Demag, Deutsche Maschinenfabrik, Straightening Machines for Rolling Mills, 295*
Demarcation Restrictions, Shipbuilding Industry, 245
Denholm Contractors Machinery Co., Ltd., Excavating and Loading Machine on Chain- Track Tractor, 646*
Denmark. Responsibility for Strikes in, 304
Use of Moler in Cement Manufacture, 142
Denny, W., and Brothers, Ltd., Motor Ferry Boat, Southern Railway, 107
Density Measurements, Piezometer, on Liquid Gases, 39*
of Rubber, Investigations, 826
Dental Alloys, National Physical Laboratory Investigations, 211
Deptford Power Station, Compressed Air Explosion, Report, 718. See Erratum, 748
Derby Meeting, Institute of Metals. See Metals, Institute of
Desch, Prof. C. H., on Cohesion Phenomena, 753
Destroyers. See Warships
Detonation in Petrol Engines, Influence of Design, 783
Engines, Recent Investigations, 39, 256
Deutsche Maschinenfabrik Demag, Straightening Machines for Rolling Mills, 295*
Dewandra Vacuum Servo Gear, Motor Vehicle Brakes, 096*
Diagrams, Indicator. See Indicator
Metal-Price. See Metal-Price Diagrams
Velocities in Water Conduits, 105*
Diamond Coal Cutter Co., Ltd., Exhibits at
Cardiff Exhibition, 710*
Drilling for Oil, 246. See 120
Hardness Tests, Hardened Steel, 420*, 470*.
See 445
for Rock Drilling, 120. See 246
Diatomaceous Earth, Use in Cement Manufacture. 142
Dick, W. B., and Co., Ltd., Mechanical Lubricator, 678*
Dickie, Dr. H. A., on the Aci Range in Special Steels, 61* ; on Temper Brittleness of Nickel-Chromium Steels, 595*. See 444
Dickinson, H., the Late, 720
Dielectric Constants, Liquids, Determination, 243*
Strength and Cohesion Phenomena, 753
Diesel Engines. See Engines, Oil, Diesel; Marine Propulsion
Differential Gear. See Gear ; Motor-Car Details
Stroke Internal-Combustion Engine, Andrea u, 613*
Digging Machine. See Excavating Machine
Dionic Tester for Boiler-Feed Water, 323*
Direction Finding, Wireless Telegraphy. See
Telegraphy, Wireless
Directories. See LITERATURE INDEX
Directory of Sources of Information, 431
Discharge Coefficients, Air-Measuring Nozzles,
Determination, 5*. See LETTERS, 838
Discs, Turbine, Magnetic Tests of, 142; Tests for Soundness, 625* ; Stresses in, 764*
Disintegrating and Grinding Plants (Review), 69
Disintegration Test, Blast-Furnace Slag, 280
Disputes, Trade. See Labour Distillates, Cracked, Composition of, 727
Distress Signals, Wireless, Auto Alarm Apparatus for, 321*, 35*5*. 630
Divining Rod, Detecting Water Supplies, 680
Doby Ram-Type Mechanical Stoker, 778*
Docks, Bristol, Level-Luffing Cranes, 581*
Deterioration of Structures in Sea Water, 49, 475, 847
Gladstone, Liverpool, Construction of, 70*. See 115
London, Annual Report, 365
Swansea, Use of Sauerman Drag Scraper, 121*
Dolgarrog, North Wales, Reconstruction of Coety Dam, 177*
Domestic Heating, Oil Fuel wrn Coke for, 137, 275, 328, 402, 456, 484, 526, 590. See 550*
Parwinac Oil-Burning Apparatus for, 550*. See LETTERS, 137, 275, 328, 402, 456, 484, 526, 590
Work of Fuel Research Board, 195
Use of Electric Power, Work of British
Electrical Development Association, 274. See 488
Dominion Machinery Co., Ltd., Mortising Machine and Belt Sander, 317*
Donkin and Co., Ltd., Electric Steering Gear, 356*
Door Locks, Portable Mortising Machine for Fitting, 317*
Dorman, Long and Co., Redcar Works, Charging Machine for Plate Furnace, 136*
Double-Helical Gears. See Gears
Reduction Gears, Marine. See Marine Propulsion
Doxford, W., and Sons, Ltd., Diesel Engines for M.S. “ Bermuda,” 805*. See 177
Drag Scraper, Sauerman, Coal Handling and Excavation Work, 121*
Wires, Ship Launching, Stresses in, 65
Dragline Excavator, 175-ton Oil-Electric (Ruston and Hornsby, Ltd.), 608*, 639*
Drainage, Land, Report of Commission, 784
Draught, Boiler-Furnace, Automatic Control, Hagan System, 325*
Forced, Turbine-Driven Fan, Ljungstrom
Turbine Locomotive, 772*. See 801*
Drill-Grinding Machine. See Grinding Machine under AfacAwe Tools
Drilling, Diamond, for Oil, 246. See 120 Machines. See Machine Tools
Rock, Diamonds for, 120. See 246
Drop-Forging Hammers. See Hammers under Machine Tools
Use of Steam Hammer, 137
Dry Dock. See Dock
Drying Blast, Blast Furnaces, Use of Silica Gel, 432, 836*, 853
Cylinder, Silk, Steam-Heated, Explosion of, 534
and Mixing Plant, Tar Macadam. See Tar Macadam
“Duchess of Atholl,” S.S., Launch, 682
Ductility, Sheet Steel, Effect of Temperature, 755, 760*
Dumper, Grain Car, Port of Philadelphia, 539*
Dunsheath, P., on Super-Tension Cables, 501*.
See 350. See also LETTERS, 526, 576, 590
Dunstan, A. E., on Liquid Fuels other than Petroleum, 720
Duplex Mechanical Stoker for Locomotives, 103*. See 133*. See also 816*, 823*, 855*
Dupont Ventube Textile Fabric Piping, 711
Dust-Cart, Sanitary, Shelvoke «and Drewry Lorry, 725*
Coal. See Pulverised Coal
Production, Coal-Mining Operations, 204
Respirators, Report on, 279
Dyestuffs, Standardisation of Fastness, 607
Dynamic Balancing Machine for Crankshafts, Avery-Linley, 25*
Machine, Lawaczeck-Heymann System, for Small Armatures, 202*
Dynamical Similarity, Law of, and Fluid Flow. See Hydrodynamics, Recent Progress in
Dynamometer, Transmission, Belt-Testing Apparatus, 401, 438*. See LETTERS, 744
See also Brake
Dynamos. See Generators, Electric; Turbo- Generators

E

EARTH Circuits, Resistance of, Megger Tester for, 323
Internal Heat, Use for Power Production, 335
Earthquake Investigations, Report of Committee, 508
East Africa, Kenya and Uganda Railway, Locomotive for, 198*
Kenya Water Supplies, Report, 175
Economic Progress, Importance of Invention, 301, 309, 333
Economics, Cause of High Prices, 347
Chemical Engineering (Review), 558
Industrial, Forecasting Business by Statistical Analyses, 427 See also Labour
Railway. See Railway
Edgar Power Station, Boston, 10,000-kw. High- Pressure Turbine, 728*
Edinburgh Meeting, Society of Chemical Industry. See Chemical Industry, Society of
Edmunds, H., the Late, 692

Education :

Bradford Technical College, Prospectus,
Bristol University Prospectus, 148 Chelsea Polytechnic, Classes in Metallurgy and Assaying, 369
Chemical Engineers, Institution of, Associate Membership Examination, 204
City and Guilds of London Institute, Report, 204 ; Prospectus, 369
of London College, Metallurgical Lectures, 369
Education, Broadening the Outlookin. 606
and Industrial Requirements, 606 Electrical Engineers, Institution of, Associate Membership Examination. 204
Engineering Education at University College, London, 19
Imperial College of Science, Department of Aeronautics, Syllabus, 148
Indian Railways, Education and Training Schemes, 131
Iron, and Steel Works, American, Selection and Training of Employees, 366
King’s College, London, Faculty of Engineering, Prospectus, 148
Laboratory Work in Engineering Education, 19
Leeds Church Middle Class School, History of, 582
Lloyds Register Scholarships, 266
London University Guide and University
College Correspondence Calendar, 369
Loughborough College, Calendar, 148; Engineering Scholarships, 582
Manchester College of Technology, Prospectus 369
Naval Architecture Scholarships, Institution of Naval Architects, 714
Polytechnic, London, Structural Engineering Scholarships, 266
Royal Aeronautical Society, Associate Fellowship Examination, 170
Institute of British Architects, Scholarships, 170
Technical College, Glasgow, Calendar, 369
Scholarships, Engineering, Loughborough College, 582
Naval Architecture, Institution of Naval Architects, 714
*Science and Whitworth, Regulations, 582
Structural Engineering, London Polytechnic, 266
Science and Whitworth Scholarships,- Regulations, 582
Sir John Cass Technical Institute, Prospectus, 298
South Wales and Monmouthshire School of Mines, Prospectus, 298
Supervising Electrical Engineers, Association of, Economic Premiums Competition, 204
University College, London, Centenary Celebrations, 19; Prospectus, 369, 582 ; Faculty of Engineering, Scholarships and Awards, 410
Swansea, Prospectus, 369
Correspondence College Calendar, 369
Whitworth Scholarships, Regulations, 582 See also PARAGRAPH INDEX
Edwards, J. H., on Electrically Welded Structural Steelwork, 210*
Efficiencies, Boiler and Cylinder, of Locomotives, 824*, 855*. See 817
Efficiency of Electrical Machinery, Standard Rules, 843
of Screw Propellers, Analysis of, 113,119* Egyptian Irrigation and the Lake Tsana
Regulation Scheme, 620 Nag Hammadi Barrage, 275
Market for Machine Tools, 138
Einstein’s Theory of Relativity, Outstanding Problems, 415
Ejector, Air, Two-Stage (Metropolitan-Vickers Electrical Co. Ltd.), 323*
Elbe River, Railway Bridge at Handmerten, 225* 347*

Electric :

Accumulator Truck, Tiering Tvpe, 318* Agriculture, Use of Electricity in, 41, 43*,401, 755
Alternating Current, Cuprous-Oxide Rectifier for, 615*
Design of Switchgear for, 350, 467*
Mercury-Jet Rectifier for, 338*, 351, 377*
Alternator. See Generator and Turbo Arc Discharge, Hydraulic Model Illustrating, 314*, 334
Furnace. See Furnace, Electric — Welding. See Welding
Battery Charging, Cuprous-Oxide Rectifier for, 615*
Motor Generators, Holbom Telephone Exchange, 855*
Lamps, Miners’. See Safety Lamps — See also Accumulator (above)
Bitumen Surrounded Cable, Explosion at Acton, 274
British Electrical and Allied Manufacturers’ Association, Report on Combines and Trusts, 269. See 331, 431 ; Trade Survey, 561
Development Association, Work of,
Domestic Use of Electric Power, 274. See 488
Cable, Bitumen - Surrounded, Explosion at Acton, 274
Construction of, 693 — High-Tension, Measurement of Power Losses, 244
Laying, Thrust Boring Machine for, 690*
Super-Tension, Economic and Technical Aspects, 350, 501*. See LETTERS, 526, 576, 590
Trailing, Safety Plug for Connecting (A. Hopkinson), 710*
Cadmium-Sulphate Cells, National Physical Laboratory Investigations, 242
Capacity Type Indicator for High-Speed Engines, 253*
Cathodic Disintegration, Metallographical Etching by, 385, 410*
Cells, Photo-Electric, and Valve Amplifiers, for Television, 250*. See 281*
Standard, Cadmium-Sulphate, National Physical Laboratory Investigations, 242
Central Stations. See Power Stations Circuit Breakers. See Switchgear Conductivity Tester for Feed Water, Dionic, 323*
Corona Discharge, Effect on Petroleum, 261
Cranes. See Cranes
Currents, High-Tension, Physiological Effects (Review), 559
Dielectric Constants, Liquids, Determination of, 243*
Strength and Cohesion Phenomena, 753
Dynamo. See Generator ; Turbo-Generator Earth Circuits, Resistance of, MeggeR Tester for, 323*
Efficiency of Electrical Machinery, Standard Rules, 843
Electric Discharge, Hydraulic Model Hlustrating, 314*, 334
Shocks. Physiological Effects (Review), 559
Electrical Apparatus, Canadian Standard Code, 721, 815
Industry, Position and Prospects, 561
Trusts and Combines in, 269. See 331. 431
Machinery, Chinese Market, 29
Efficiency of, Standard Rules, 843
Electricity Commissioners, Annual Report, 846; Central Scotland Electricity Scheme, Frequency Standardisation, 589: Conference on Rural Electric Supplies, 755 ; Electrical Development in Rural Areas, 304 ; Report on Cable Explosion at Acton, 274; South- East England Electricity Scheme, 464 '
Electroplating. See Electro Electrotechnical Commission, International, Italian Meeting, 242
Flameproof Electrical Apparatus, iRing- Type Pressure Relief, 762
Furnaces. See Furnaces Generating Stations. See Power Stations Generator. See Generator ; Turbo Heating and Lighting Plant, Oil-Engine
Driven, Automatic Control, (Crossley Brothers, Ltd.), 42*
Hydro-Electric Power Plants. See Power Plants
Indicator, Electrical-Capacity Type for High-Speed Engines, 253*
Induction Furnace. See Furnace — Motors. See Motors, Electric Instruments, Measuring, Work of National Physical Laboratory, 243
Insulating Oils, Standard Specification, 16 Insulation for Alternating-Current Switchgear, 467*. See 350
Insulators, Porcelain, Properties of, 826 Lamp, Buoyant, Life Saving at Sea, 352* — Daylight Signalling (C. A. Vandervell and Co. Ltd.), 352
Electric, Bayonet-Type Holders, Standard Specification, 521
Gas-Filled, Tungsten Deposits, 621
Measurement of Mean-Spherical
Candle Power, 262*
Shock-Testing Apparatus for, 594. See 350
Metal-Filament, Mechanical Strength of, 350, 593*
Safety, for Mines. See Safety Lamps — Tungsten Filaments, Grain Growth and Crystal Size. 593. See 350
Filament, Standard Specification, 484
Lighting Equipment, for Vehicles, etc. (C. A. Vandervell and Co., Ltd.) 352 and Heating Plant, Oil Engine- Driven Automatic Control, (Crosslev Brothers, Ltd.), 42*
Lightning, Physiological Effects (Review), 559
Locomotives. See Locomotives,
Electric Machinery, Electrical, Forecasting Demand by Statistical Analyses, 427
Machines. See Generators; Motors; Turbo Mains. See Cables (above)
Measuring Instruments, Work of National
Physical Laboratory, 243
Meters, Watt-Hour, Tests at National Physical Laboratory, 243
Motors. See Motors, Electric

Oil Switch. See Switchgear Oscillations, Electric, Hydraulic Model

Illustrating, 314*, 334
Oscillators, Piezo-Electric, Work of National Physical Laboratory, 243*; Production of High-Frequency Sound Waves in Liquids, 815; Light Interruption by, 841
Petrol-Electric Omnibus (Tilling Stevens Motors, Ltd.), 656*
Photo-Electric Cells and Valve Amplifier for Television, 250* See 281*
Physiological Effect of High-Tension Currents (Review), 559
Piezo-Electric Oscillators,Work of National Physical Laboratory, 243* ; Production of High-Frequency Sound Waves in Liquids, 815 ; Light Interruption by, 841
Plug, Safety, for Connecting Trailing Cables (A. Hopkinson), 710*
and Socket, Safety, for Portable Electrical Appliances, 469*. See 350
Flame Proof, Standard Specifications, 275
Power Stations. See Power Stations — See Power
Pyrometer. See Pyrometer
Railways. See Railways
Rectifier, Cuprous-Oxide, for Alternating
Current, 615*
Mercury Jet, for Alternating Current, 338*, 351, 377*
Regulations, Electrical Equipment of Buildings, 10
Regulation of Three-Phase Motors (Review), 99
Relay, Sensitive, for Valve-Type Voltage Regulator, 537*. See 351
Resistance of Earth Circuits, Megger Tester for, 323*
Standards, Work of National Physical Laboratory, 242
Tester for Feed Water, Dionic, 323*
Welding. See Welding
Resonator, Quartz Piezo-Electric, Work
of National Physical Laboratory, 243* ; Production of High-Frequency Sound Waves in Liquids, 815 ; Light Interruption by, 841
Rubber, Density and Electrical Properties, Investigations, 826
Rules, Electrical Equipment of Buildings, 10
Rontgen Rays. See Rbntgen
Rotary Converters, Design, Construction
and Operation (Review), 178
Shocks, Electric, Physiological Effects (Review), 559
Single Phase. See Generators ; Motors ; Power ; Locomotives ; Railways
Sockets and Plugs, Flameproof, Standard Specifications, 275
Standard Cells, Cadmium - Sulphate, National Physical Laboratory Investigations, 242
Electrical, Work of National Physical Laboratory, 242
Starters, Motor ; See Motors, Electric Steel Manufacture. See Metallurgy ; and
Furnace, Electric
Steering Gear, Electric, for Ships, Donkin- Scott, 356*
Storage Battery. See Accumulator (above) Street Railways. See Tramways. Switchgear. See Switchgear; Motors,
Electric
Thermometer. See Thermometer Three-Phase. See Generators ; Motors ;
Power ; Locomotives ; Railways
Telegraphy. See Telegraphy Telephony. See Telephony Temperature Regulator, Automatic, for
Furnaces, etc., 746*
Traction. See Locomotives, Electric; Railways ; Tramways
Trailing Cables, Safety Plug for Connecting (A. Hopkinson), 710*
Tramways. See Tramways Transformers. See Transformers Turbo-Generators. See Turbo-Generators Voltage Regulation, Power Transmission
Lines, Newcastle-on-Tyne Electric Supply Co., 90*
Regulator for Electric Generators, Thermionic-Valve Type, 351, 537*
Watt-Hour Meters, Tests at National Physical Laboratory, 243
Welding. See Welding Winding Gear. See Winding Wireless Telegraphy. See Telegraphy — Telephony. See Telephony Wiring of Buildings, Regulations, 10 X-Rays. See RGntgen Rays See also PARAGRAPH INDEX
Electric Furnace Co., Ltd., Ajax-Northrup High-Frequency Induction Furnace, 758
Electric Submerged Log Co., Ship’s Log, 391*
Electrical Engineers, American Institute of,
Symposium on Television System of American Telephone and Telegraph Co., 247*, 281* ; Tests of High-Tension Circuit Breakers, by P. Sporn and H. P. St. Clair, 461

Electrical Engineers, Institution of:

Regulation for the Electrical Equipment of Buildings, 10
Associate Membership Examination, 204, 780
Presidential Address, by A. Page, on Electricity Supply, 531*. See 523
Higher Steam Pressures and their Application to the Steam Turbine, by A. H. Law and J. P. Chittenden, 610*, 728*, 763*. See 621
Electric Ploughing, by R. B. Matthews, 795
South Midland Centre :
Address by W. Wilson on Psychology and
Engineering Progress, 526 Wireless Section:
Attenuation of Wireless Waves, by It. H. Barfield, 786
Electrical Engineers, Supervising, Association of. See Supervising
Electricity Commissioners. See under Electric Electrolytic Corrosion. See Corrosion Electromagnetic Waves. See Telephony, Wireless
Electroplating, Protection of Aluminium and Alloys, 376, 385
Electrotechnical Commission, International, Italian Meeting, 242
Elektron Alloys, Age Hardening of, 385, 597*
Elevators, Grain, Port of Montreal, 159* ; Port of Philadelphia, 539* ; Port of Baltimore, 701*
Elliptic Cylinder, Stream Lines Bound, 86*
Embankment Construction, Taf Fechan Reservoir, 125*. See 116*, 144
Empire, British, Forestry in. 573
Council of Mining and Metallurgical Institutions, Dinner, 691
Employees. See Labour
Employers’ Federation, Engineering, Report on Conciliation, 845
Liability. See Labour Employment. See Labour
Emulsion, Bitumen, Road Sprayer (Colas Products, Ltd.), 643* ;
(A. Schars), 726
Encyclopaedia of Ironwork (Review), 622
End-Gauge Comparator, Calibration by Optical
Interference, 577*
Endurance Tests. See Alternating Stress under Tests (Materials')
Engines, Aero. See Aeronautics
Compressed Air, for Colliery Use, Pickrose, 710*
Air, for Shaker-Conveyor Drives, 711
Diesel. See Engines, Oil, Diesel; Marine
Propulsion ; Motor Ships
Heat, Tabulating Trial Results, Report, 239
Indicators. See Indicators
Internal-Combustion, Differential Stroke, Andreau, 613*
Combustion, Failures of Connecting-Rod Bolts, 209
Combustion, Fuels for, Work of Fuel
Research Board, 194
Combustion, Ideal Efficiency of, 351, 371*
Combustion, Protectomotor Air Filter for, 151*
Combustion, Tests of Air-Measuring
Nozzles for, 5*. See LETTERS, 838
Combustion, Time, Pressure and Luminosity Record, 371*. See 351
Locomotive. See Locomotive
Motor-Car. See Engines, Petrol
Oil, Anti-Vibration Foundations for, 259*
Bagnulo, Trials of Motor Wagon with, 561
Diesel, 900-h.p., and Air Compressor, M.S. “Saturnia,” 455*
Diesel, for Cable-Ploughing Gear (J. Fowler and Co. (Leeds), Ltd.), 76* ; (J. and H. McLaren, Ltd.), 76*
Diesel, Marine, Development, Report of Lloyd’s Register, 558
Diesel, Marine, 10,000-h.p. Double-Acting Burmeister and Wain Type, for M.S. “ Saturnia ” (Stabilimento Tecnico Tries- tino), 455*
Diesel, Marine, 2,800-h.p. Four-Cylinder
Doxford Opposed-Piston Type, M.S. “ Bermuda,” 805*. See 177
Diesel, 1,750-h.p. Six-Cylinder, and Electric Generator (Fraser and Chalmers Engineering Works), 795*
Diesel, 275-h.p., Solid-Injection, Marine Auxiliary (Ruston and Hornsby. Ltd.), 12*
Diesel, 32-35 h.p. Two-Cylinder, Benz, for Motor Road Roller (Barford and Perkins, Ltd.), 643*
Diesel, Use of Peat Tar as Fuel, 194
Diesel. See also Motor Ships; Marine Propulsion
20-h.p., and Electric Generator, Automatic Control, for Country Houses (Cross- ley Brothers, Ltd.), 42*
250-h.p., and Electric Generator, Dragline Excavator Drive (Ruston and Hornsby, Ltd.), 609*, 639*
275-h.p. Five-Cylinder Marine Auxiliary
Set (Ruston and Hornsby, Ltd.), 321 with Hopper Cooler (Ruston and Hornsby, Ltd.), 42*
Marine, 14-16-h.p., Four-Cylinder, with Reverse Gear (Gleniffer Motors, Ltd.), 840*
Marine, 210-h.p., Six-cylinder, Two-Cycle Type (Norris, Henty and Gardners, Ltd.), 316*
Marine, 24-28-h.p., Two-cylinder, Two-Stroke Type (Petters, Ltd.), 315*
Mercedes-Benz System, Motor Lorry, 706 or Petrol, Marine, 35-40-h.p., Four-Cylinder (J. I. Thomycroft and Co., Ltd.), 357*
or Petrol, 50-h.p., Six-Cylinder Marine (Atlantic Engine Co., Ltd.), 357*
Protectomotor Air Filter for, 151*
Single Cylinder, with 1-kw. Generator (Petters, Ltd.), 316*
5-h.p. Single-Cylinder and 2-kw. Electric Generator, Lighting Set (Atlantic Engine Co., Ltd.), 357*
120-h.p., Three-Cylinder (Davey, Paxman and Co., Ltd.), 316*
70-h.p., Two-Cycle, and Medivane Centrifugal Pump (Petters (Ipswich), Ltd.), 645* See also Tractors and PARAGRAPH INDEX.
Petrol, Aeroplane. See Aeronautics and Centrifugal Pump (Arrol-Johnston and Aster Engineering Co., Ltd.), 357*
Detonation in, Influence of Design, 783
Detonation in, Recent Investigations, 39, 256, 783
Differential Stroke, Andreau, 613
Engines, Petrol, and 1-kw. Electric Generator, Lighting Set (Arrol-Johnston and Aster Engineering Co., Ltd.), 357
Four-Cylinder, with 8-kw. Generator (E. T. White and Co. (1926), Ltd.), 315*
Marine, 7-h.p., Four-Cylinder (Ailsa Craig Motor Co., Ltd.), 315*
Marine, 14-16 h.p., Four-Cylinder, with Reverse Gear (Gleniffer Motors, Ltd.), 840*
Marine, 100-h.p., Four-Cylinder (E. T. White <fc Co. (1926), Ltd.), 315*
Marine, 40-100 h.p., Six-Cylinder (J. W. Brooke <fe Co., Ltd.), 392*
Motor Car Balancing Machine for Crankshafts, 25*
Motor Car, Carbon Monoxide in Exhaust, 603
Motor Car, Cozettc Supercharger for, 518*
Motor Car, 21-60 h.p., Eight-Cylinder Wolseley, 511*
Motor Car, 14-40 h.p., Four-Cylinder Bean, 480*
Motor Car, 40-h.p., Four-Cylinder, Overhead Valve Type (Scammell Lorries, Ltd.), 694*
Motor Car, 7-9-li.p., Four-Cylinder Triumph, 477*
Motor Car, Oil Purifier for, Renault Centrifugal, 516*
Motor Car, 62-h.p., Six-Cylinder, Air-Cooled, Franklin, 516*
Motor Car, 15-h.p., Six-Cylinder Armstrong-Siddeley, 514*
Motor Car, 14-45 h.p., Six-Cylinder Clement Talbot, 478*
Motor Car, 38-8-h.p., Six-Cylinder (Leyland Motors, Ltd.), 658*
Motor Car, 80-h.p., Six-Cylinder, Sleeve-Valves (Karrier Motors, Ltd.), 704*
Motor Car, 18-50 h.p., Six-Cvlinder Star, 479*
Motor Car, 20-60 h.p., Six-Cylinder Vauxhall, 513*
Motor Car, Trend of Design, 476
Motor Car, Use of Light Alloys, 336
Motor Car, Valve Seat Re-Facing Tool, 134*. See Erratum, 205
Motor Cycle, Electrical-Capacity Type Indicator for, 253*
Paraffin, with Hopper Cooler (Ruston and Hornsby, Ltd.), 42*
Protectomotor Air Filter for, 151*
3-h.p., Two-Stroke, Hopper Type (Petters Ltd.) 756*
ll-h.p., Vertical (R. A. Lister and Co., Ltd.), 43*
See also Aeronautics ; Carburettors *Motor Cars
Steam, Marine, Early Use of High Pressures, 183*
Marine, with Geared Exhaust-Steam Turbine, 813
Marine, Perkins Early High-Pressure System, 184*
Marine, Sperry Revolution Indicator and Counter, 319*
Marine, Super-Pressure, S.S. “ Borneo,” 686. See 236, 276
Marine. See also Marine Propulsion; Turbines Report on Failures, 208
Single-Cylinder, Heat-Extraction Type (Maschinenbau A.-G. vormals Starke and Hoffmann), 550*
Traction. See also Tractors
Winding. See Winding See also PARAGRAPH INDEX
Engineers, Chemical, Institution of. See Chemical Engineers
Consulting, American Institute of. See Consulting Engineers
Employment by Architects, 81
Education. See Education
Field Astronomy for (Review), 53
in Industrial Plants, 494
Institution of, Australia. See Australia
Institutions. See Institutions
Naval, Effects of Deprivation of Military Status, 363
Scientists, and Progress of Civilisation, 685
and Shipbuilders in Scotland, Institution of,
Progress in the Use of High-Pressure Steam, by J. Mollison, 183* ; The Industrial Engineer, by A. J. T. Taylor, 494; Exhaust-Steam Turbine as a Marine Engine Auxiliary, by Dr. G. Bauer, 813
Engineering Conference, Punjab, at Lahore, 433
Construction Works, Organisation of, 265
Department, National Physical Laboratory,
Work of, 23*, 38*
Education. See Education
Employers’ Federation, Report on Conciliation, 845
Exhibition, Cardiff, 673*, 708*
Industry and the Banks, 52. See LETTER, 137
British, Canadian Market for Products, 399, 752
Conciliation in, Report on, 845
and Foreign Competition, 619
Past and Present Positions, 619
Need for Co-Operation, 717
Inspection, Institution of, Construction of Electric Power Cables, by C. M. Read, 693
Institutions, Hospitality at, 814
Suggested Joint Meetings, 621
Laboratories. See Laboratories ; National Physical
Marine, Lloyd’s Statistics, 83, 494, 558
Materials, Exhibition and Conference, Berlin, 734
Mechanical, and Physical Science, Interdependence, 545. See 561
Mechanics Applied to (Review), 212
Practice, Midlands, Effect of Motor-Car Industry, 21, 26
Progress and Psychology, 526
and the Public, 685
Shipping, and Machinery Exhibition,
Olympia, 315*, 352*. 386*. See 398, 422*, 423*, 428, 486*, 839
Engineering Societies, bee institutions
Standards Association, British, Standard
Specifications, Insulating coils, 16; Face- Plate Starters for Electric Motors, 56; Paints, Varnishes, and Paint Ingredients, 64, 732, 804’; Colliery Tub Parts, 79 ; Electrical Performance of Transformers, 180; Flame-proof Plugs and Sockets, 275 ; Iron and Steel Telegraph Poles. 283 ; Naval Brass Bars and Sections, 346 ; Street Lighting, 364, 429 ; Tungsten-Filament Lamps, 484 ; Lamp-Holders, 512; Ball and Roller Bearings. 597 ; Wire Ropes for Collieries, 794; Tramway Rails, 819 ; Wire Ropes for Cranes, 823 ,
Association, Standard Rules, Declaring
Efficiency of Electrical Machinery, 843
Association, Canadian Standard Electrical Code, 721, 815
Trade, British, Canadian Market, 399, 752
Works. See IForA-a . ,
English Electric Company, Ltd.. Benson^High- Prcssure Boiler and Turbine, 611, 729*
Equilibrium Diagrams, Alloys. See Metallurgy
Erosion of Steam-Turbine Blading. 6ol
Eschcr, Wyss A Co., Tests of Zoelly Turbine,
579: 1,000-kw. High-Pressure Geared Turbine, 729*
Essex, E. H., Chart for Estimating Water Velocities in Conduits, 105*
Etching, Metallographical, by Cathodic Disintegration, 385,410*
European War, Shipping Industry in (Review), 213
Eutectic Alloys. See Alloys under Metallurgy Evans, Commander J. S., on Pulverised Coal
Applied to Marine Boilers, 791*. See 788*, 810, 819
Everest, Dr. A. B., on the Influence of Nickel and Silicon on an Iron-Carbon Alloy. 444
Evershed and Vignolles, Ltd., Brewerton Course Recorder, 319*; Dionic Water Tester, 323* ; Megger Earth Tester, 323*
Evidence, Expert, in Lawsuits, 143
Evolution, Theory of, 303. See 685
Excavating and Loading Machine on Chain-Track Tractor (Denholm Contractors Machinery Co., Ltd.), 646*
Machine, Trench (J. Allen and Son (Oxford) Ltd.), 725*
Universal, with Petrol-Paraffin Engine, Ruston A’ Hornsby, Ltd ), 643*
Excavation, Sauerman Drag Scraper for, 121* Excavator, Dragline. 175-ton Oil-Electric
Drive (Ruston and Hornsby, Ltd.), 608* 639*
Exchange, Telephone. See Telephone Exhaust from Motor Vehicles, Carbon Monoxide in, 603
Steam, Superheater for, Marine Auxiliary
Machinery (Loveridge, Ltd.), 714
Turbine. See Turbine, Steam
Exhibition, Agricultural, Smithfield Show, 756*
Brewers’, Royal Agricultural Hall, 629
Canadian National. Toronto, 398
Commercial Motor Vehicles, Olympia, 655*, 694*, 703*
and Conference, Engineering Materials, Berlin, 734
Cycle and Motor Cycle, Olympia, 588
Engineering. Cardiff, 673*, 708*
International, Medical Uses of Light, 786
of Inventions, Institute of Patentees, 519
Model Engineer, 404
Motor Car, Olympia. 476*. 511*
Royal Agricultural Show, Newport, 40*, 73*
Public Works, Roads and Transport, Royal
Agricultural Hall, 642*, 688*. 725*. See Erratum, 780. See also Public Works Congress
Shipping, Engineering and Machinery,
Olympia. 315*, 352*, 386*. See 398, 422*, 423*, 428, 486*, 839
Steel and Power, Toronto, 398
Wireless Apparatus, at Olympia, 430
See also PARAGRAPH INDEX
Expansion Coefficient, Invar, National Physical Laboratory Investigations, 273
Experimental Tank. See Tank; Ship Models; Ship Resistance
Expert Evidence in Lawsuits, 143
Explosion, Boiler. See Boiler Explosion
Compressed Air, Deptford Power Station.
Report on, 718. See Erratum, 748
Gaseous. See Gaseous Explosions
Printer’s Matrix Press, Walthamstow, 597
Rubber-Vulcanising Press, at Bradford-on-
Avon, 597
Steam-Jacketed Pans, 597
Export Credits Guarantee Scheme, Overseas Trade Department, 459
Trade. See Trade; and Industries, in
PARAGRAPH INDEX
Extractor, Tar, Smith Spun-Glass Filter Type, 563*

F

FABER, Dr. O., on the Effect of Plastic Yield and Shrinkage of Concrete, 661. See 586
Fabric Piping, Textile, Dupont Ventube, 711
Face-Plate Starters for Electric Motors, Standard Specifications, 56
Facing Machine. See Machine Tools Factory Accidents. See Accidents
Building, Electrically-Welded Steelwork, 210*
Umbrella-Type Roof, 13*. See 236
Management. See H’orA-s Management Factories, Work of the Industrial Engineer, 494
and Workshops, Report of Home Office
Inspector, 241
Faircloth, A. T., Cement-Consistency Testing Apparatus, 417*
Fan, Air-Turbine Driven, for Colliery Use (Mining Engineering Co., Ltd.), 711*
Forced-Draught, Turbine-Driven, LjungstrSm Turbine Locomotive, 772*. See 801*
Turbine Driven, for Condenser Cooling
Ljungstrom Turbine Locomotive, 803* See 771*
Fan. Turbine Driven, for South Metropolitan Gas Co., 422*
Ventilating, Holland Tunnel, New York. 605*
Faraday Society, Discussion on Cohesion and Related Problems, 753
Farming, Transport Appliances for Use in 372*, 401
See also Agriculture ; Tractors
Fatigue, Industrial. See under Labour
Tests of Metals. See Alternating Stress under Tests (Materials')
Feed Heater, Exhaust-Steam from Marine Auxiliaries (Loveridge, Ltd.), 714
Heating. Regenerative, Steam Turbines, Advantages, 610*
Pumps. See Pumps
Water. Brackish. Treatment by Filtrator Process with Linseed. 305
Dionic Tester for, 323*
Softener. See Water Softener
System, Automatic Control, Hospital
Boiler Plant, 2*
See also B’uZer
Fellows <and Co., Ltd., Floating Bridge over
River Yare, 235*
Fender, T.. the Late, 818
Ferreri, Prof. G., Anti-Detonators for Motor
Fuels, 256
Ferro-Concrete Arch Bridge, Proposed, over
Menai Straits, 8*
Architectural Design in (Review), 258
— Beams, Strength of. London County
Council Regulations, 414. See 563*
Beams, Shearing Strength of, 413, 563*
Columns, Spiral Reinforcement, Austrian
Experiments, 188
Conduits, Large, Low-Pressure, Design
of 414,632*
Conduits, Sewers and Aqueducts, Design
and Construction, 680
Construction, German Handbook (Review), 214
Design of, Effect of Plastic Yield and
Shrinkage of Concrete, 586, 661
Design, Introduction to (Review), 68
Piers, Port of New York,288*. 381*
Quays, Port of Montreal, 157*
Silos, Construction with Movable Shutter
ing, 237
Staybrite Steel Reinforcement, St. Paul’s
Cathedral, 134*
Structures, Destruction in Sea Water,
49. 475
See also PARAGRAPH INDEX
Ferry Boat. Motor, “ Fishbourne,” Southern
Railway, 107*
Ferrybridge Power Station, Yorkshire Electric
Power Co., 527*
Fertilisers, Artificial, Chemistry Manufacture and Application (Review), 178
Fibres. Wool, Testing of. 607 Water Absorption by, 607
Quartz, Determination of Diameters, 273 Fibrous Cellulose, Manufacture of, 51
Field Astronomy for Engineers and Surveyors
(Review), 53
Files, Auxiliary Handle for, 308*
Filter. Air, Protectomotor. for Internal-
Combustion Engines, 151*
Glass-Wool, Tar Extraction from Gases, 563*
Rotary, Rovac System, 386*
Stream Line, Prevention of Oil Contamina
tion of Sea Water, 815
Filtration Plant, Paterson System, Taf Fechan
Reservoir, 128*. See 116*, 144 Filtrator Process, Treatment of Brackish
Feed Water, 305
Financial Assistance of Industry by Banks, 52.
See LETTER, 137
Fire-Extinguishing System, Carbon Dioxide, for Ships. Lux-Rich, 353*. See 360, 426
Resisting Properties of Building Materials,
Report, 332
in Workshop Office, Woolwich Arsenal, 52 Firebox, Water-Tube, for Locomotive Boiler,
Baldwin Locomotive Works, 102*. See
133* ; See also 816*, 823*, 855*
Firebricks for Open-Hearth Steel Works, 450
—; See also Refractory Materials
Fireclay Bodies, Unfired, Crushing Strength,
451
Experiments on Drying, 451
Products, Properties of, 787
Firth’s Staybrite Steel, Concrete Reinforce- ment, St. Paul’s Cathedral, 134*
“ Fishbourne,” Motor Ferry Boat, Southern
Railway, 107*
Fisheries Protection, Canada, Use of Aircraft,
240
Flame Temperature, Methods of Measuring, 211 Flameproof Electrical Apparatus, Ring Type
Pressure Relief, 762
^27^ and ^octets, Standard Specifications,
Flattening Tests, Steel Tubes, 833*. See 797* Fleets. See Warships
Fleming, A. P. M., on Industrial Education,
606
Flexible Steam Pipe, Explosion of, 534
Flight. See Aeronautics
Float-Type Measuring Device for Petrol, <fcc.,
Rippingille Petrometer. 487*. See 520 Floating Bridge over River Yare, 235*
Bush, Locomotive Connecting Rods, 723*
Lamp, for Life-Saving at Sea, 352*
Landing Stage for Aeroplanes, in Atlantic
Ocean, 223*. See LETTERS, 275, 654 Moors, Steel-Framed Buildings. Permissible
Loads, 304
Flotation, Froth. Application to Bauiu Coal
Washer, 51
of Oxidised Ores, 200
Flow Meters, Air, Tests of Commercial Types,
Combined Vee Notch and Rectangular,
Weir (Lea Recorder Co., Ltd.), 712*
Differential Recording Gear for (G.
Kent, Ltd.), 713*
Propeller Type, Walchensee Hydro-
Electric Power Plant, 229*
Fluid Friction and Heat Transmission, Relationship, 23
Fan. Turbine Driven, for South Metropolitan Gas Co., 422*
Ventilating, Holland Tunnel, New York. 605*
Faraday Society, Discussion on Cohesion and Related Problems, 753
Farming, Transport Appliances for Use in 372*, 401
See also Agriculture ; Tractors
Fatigue, Industrial. See under Labour
Tests of Metals. See Alternating Stress
under Tests (Materials')
Feed Heater, Exhaust-Steam from Marine Auxiliaries (Loveridge, Ltd.), 714
Heating. Regenerative, Steam Turbines, Advantages, 610*
Pumps. See Pumps
Water. Brackish. Treatment by Filtrator Process with Linseed. 305
Dionic Tester for, 323*
Softener. See Water Softener
System, Automatic Control, Hospital Boiler Plant, 2*
See also B’uZer
Fellows <and Co., Ltd., Floating Bridge over River Yare, 235*
Fender, T.. the Late, 818
Ferreri, Prof. G., Anti-Detonators for Motor Fuels, 256
Ferro-Concrete Arch Bridge, Proposed, over Menai Straits, 8*
Architectural Design in (Review), 258
Beams, Strength of. London County Council Regulations, 414. See 563*
Beams, Shearing Strength of, 413, 563*
Columns, Spiral Reinforcement, Austrian Experiments, 188
Conduits, Large, Low-Pressure, Design of 414, 632*
Conduits, Sewers and Aqueducts, Design and Construction, 680
Construction, German Handbook (Review), 214
Design of, Effect of Plastic Yield and Shrinkage of Concrete, 586, 661
Design, Introduction to (Review), 68
Piers, Port of New York,288*. 381*
Quays, Port of Montreal, 157*
Silos, Construction with Movable Shuttering, 237
Staybrite Steel Reinforcement, St. Paul’s Cathedral, 134*
Structures, Destruction in Sea Water, 49. 475
See also PARAGRAPH INDEX
Ferry Boat. Motor, “ Fishbourne,” Southern Railway, 107*
Ferrybridge Power Station, Yorkshire Electric Power Co., 527*
Fertilisers, Artificial, Chemistry Manufacture and Application (Review), 178
Fibres. Wool, Testing of. 607
Water Absorption by, 607
Quartz, Determination of Diameters, 273
Fibrous Cellulose, Manufacture of, 51
Field Astronomy for Engineers and Surveyors (Review), 53
Files, Auxiliary Handle for, 308*
Filter. Air, Protectomotor. for Internal-Combustion Engines, 151*
Glass-Wool, Tar Extraction from Gases, 563*
Rotary, Rovac System, 386*
Stream Line, Prevention of Oil Contamination of Sea Water, 815
Filtration Plant, Paterson System, Taf Fechan
Reservoir, 128*. See 116*, 144
Filtrator Process, Treatment of Brackish Feed Water, 305
Financial Assistance of Industry by Banks, 52 *See LETTER, 137
Fire-Extinguishing System, Carbon Dioxide, for Ships. Lux-Rich, 353*. See 360, 426
Resisting Properties of Building Materials, Report, 332
in Workshop Office, Woolwich Arsenal, 52
Firebox, Water-Tube, for Locomotive Boiler, Baldwin Locomotive Works, 102*. See 133* ; See also 816*, 823*, 855*
Firebricks for Open-Hearth Steel Works, 450
See also Refractory Materials
Fireclay Bodies, Unfired, Crushing Strength, 451
Experiments on Drying, 451
Products, Properties of, 787
Firth’s Staybrite Steel, Concrete Reinforcement, St. Paul’s Cathedral, 134*
“Fishbourne,” Motor Ferry Boat, Southern Railway, 107*
Fisheries Protection, Canada, Use of Aircraft, 240
Flame Temperature, Methods of Measuring, 211
Flameproof Electrical Apparatus, Ring Type Pressure Relief, 762
^27^ and ^octets, Standard Specifications,
Flattening Tests, Steel Tubes, 833*. See 797*
Fleets. See Warships
Fleming, A. P. M., on Industrial Education, 606
Flexible Steam Pipe, Explosion of, 534
Flight. See Aeronautics
Float-Type Measuring Device for Petrol, <fcc.,
Rippingille Petrometer. 487*. See 520
Floating Bridge over River Yare, 235*
Bush, Locomotive Connecting Rods, 723*
Lamp, for Life-Saving at Sea, 352*
Landing Stage for Aeroplanes, in Atlantic
Ocean, 223*. See LETTERS, 275, 654
Moors, Steel-Framed Buildings. Permissible Loads, 304
Flotation, Froth. Application to Bauiu Coal Washer, 51
of Oxidised Ores, 200
Flow Meters, Air, Tests of Commercial Types,
Combined Vee Notch and Rectangular,
Weir (Lea Recorder Co., Ltd.), 712*
Differential Recording Gear for (G. Kent, Ltd.), 713*
Propeller Type, Walchensee Hydro-
Electric Power Plant, 229*
Fluid Friction and Heat Transmission, Relationship, 23

Fluid Friction over Wave Surfaces, 23 -Sec idso Aeronautics; Friction; Hydrodynamics ; Ship Resistance
Measuring Device, Rippingille Petrometer, 487*. See 520
Motion, Recent Progress in Hydrodynamics, 277*, 294*, 405*, 440*, 500*
Work of National Physical Laboratory, 23, 86*
Flying Boats. See Seaplanes under Aeronautics
Flywheel, Cast Steel, Tests for Soundness, 625* Todens, Ltd., Undertype Steam Wagon, 41* ;
Motor Wagon with Asphalt Mixer, 642
Flood industry, Physics in, 720
Investigation Board, Annual Report, 302 Foppl, Dr., Experiments on Torsional Fatigue Limits, 33*
Torbes, W. A., on the United States Steel Industry, 839
Forced-Draught Fan, Turbine Driven, Ljung- strom Turbine Locomotive, 772*. See 801*
Teed Lubricator (Petters, Ltd.), 756* Tordson Tractor, with High-Lift Loading Shovel, 645*
Forecasting Business by Statistical Analyses, 427
Forests, Influence on Rainfall and Run Off, 750. See 574
Patrol Work, Canada, Use of Aircraft, 240
Products, Minor, Utilisation of, 572
Research, Air Seasoning and Conditioning of Timber, Report, 774
Soils, Investigations of, 573
Forestry in the British Empire, 573
in Relation to Water Catchment Areas, 574.
See 750
Forging, Drop. See Drop Forging and Hammers under Machine Tools
Hammers. See Hammers under Machine Tools
Press. See Press under Machine Tools
Steel, Testing for Soundness, 624*, 663* bors Aktiebolaget, De Laval High-Pressure
Geared Turbine, 730*
Forssblad Boiler, Vasterands Power Station, Sweden, 436*
Fort Frederick Building, Albany, U.S., Moving to New Site, 202*
Foster, J., and Sons, Mixing Machines for Paints, andc., 298*
Foster, W., and Co., Ltd., Exhibits at Royal Agricultural Show, 76
Fottinger Transmitter, Use with Combined Reciprocating Engine and Exhaust-Steam Turbine, 813
Foundations, Anti-Vibration, for Machinery,
Caisson, for Piers, Newport Bridge, 34*
Hollow-Steel Piling, for Shaft Caissons,
Holland Tunnel, 669*
Foundry Cupola, History of, 830*
Work, Centrifugal Casting. See Centrifugal Strength of Cast-in Joints, 215.* See
Erratum, 232
Fowler, J., <fe Co., (Leeds), Ltd., Diesel-Engine Driven Cable-Ploughing Gear, 75 ♦ ; Motor Wagons for Gully Emptying and Street Cleansing, 534*, 643* ; Rotary Plough for Sugar-Cane Plantations, 662*
Fowler, Sir H., on Science and Engineering, 545. See 561
France. See French
Franchot, R.,on the Theory of the Blast Furnace, 10
Francis Turbines. See Turbines, Hydraulic Franklin Manufacturing Co., Air-Cooled Motor-
Car Engine, 516*
Fraser and Chalmers Engineering Works, Diesel Engine for Charing Cross Electricity Supply Co., 795*
Free-Wheel Clutch, Motor Cars, Vulcan, 515* French, H. J., on Wear Testing of Metals, 279 —Navy, Submarine Construction and the
Geneva Conference, 112
Society of Civil Engineers. See Civil Engineers
Frequency Standardisation, Dr. D. Dye’s Method, 243*
Fresnel, Augustin Jean, Centenary Memoir, 68 Freundlich, Prof. H., Investigations of Colloids, 510
Friction Clutch. See Motor-Car Details
Drive Variable-Speed Gear (Keenok Co.,Ltd.), 423*
Fluid, and Heat Transmission, Relationship, 23
Fluid, over Wave Surfaces, 23
Geared Turret Lathe (Pollock and Macnab (1919) Ltd.), 218*. See Erratum 328
Frictional Resistance of Ships. See Ship Resistance
Froth Flotation, Oxidised Ores, 200 Process, Application to Baum Coal Washer, 51
Fronde’s Methods, Screw-Propeller Analysis, Investigations. 113, 119*
Fronde National Tank, Work of, 146* ; Value to Shipbuilders, 245
Fruit, Transport and Storage of, Report of Food Investigation Board, 302
and Vegetables, Grading Machine for, 519
Fry, L. H., on Experimental Results from a Three-Cylinder Compound Locomotive, 823*, 855*. See 102*, 133*, 814, 816*, 818
Fuel, Coal Resources, Physical and Chemical Survey, 193
Gaseous, for Motor Vehicles, 653
Institute of, Classes of Membership, 333; Criticism of Procedure, 717; Presidential Address, by Sir A. Mond, on Fuel Problems and Research, 686; National Electricity Supply and the Better Utilisation of our Fuel Resources, by Sir P. Dawson. 687 ; Operating Expert-' cnees with 1,300-lb. Steam Pressure, by J. Anderson, 687 ; Measurement of Steam Flow in Works Practice, by H. C. Armstrong and T. Nordensen, 687; Preheated Air for Boiler Furnaces, by P. H. N. Ulander, 718 ; The British Cokinu Industry and Some of its By-Products, by R. Ray, 719 ; Vertical Intermittent ‘ Chamber Ovens for Gas Manufacture, by N. J. Bowater, 719 ; Conversion of Coal into Oil by the Bergius Process, by J. I. Graham and D. G. Skinner, 719 ; Liquid Fuels other than Petroleum, by A. E. Dunstan and G. H. Shatwell, 720
Liquid, from Low-Temperature Carbonisation Processes, 720 See also Oil Fuel
Low-Temperature Carbonisation of Coal.
See Coul, Low-Temperature Carbonisation
Motor, Composition of Cracked Distillates, 727
Power Alcohol, Australian Investigations, Keport, 706
See also Alcohol; Gas ; Motor ; Paraffin ; Petrol; Producer
Oil. See Oil Fuel
Pump. See Pump
Research Board, Annual Report. 82, 193
Station, Greenwich, Report on Decomposition of Coal, 64 ; Report on Work, 193; Use of Thermo-Couple Pyrometers, 858
Smokeless. See Coul, Low-Temperature Carbonisation
Utilisation, Impending Changes, 173. See LETTER, 200 and National Electricity Supply, 687
World Power Conference, Sectional Meeting on, 144, 525
See also Coal; Oil; Oas; Peat; Pulverised Coal
Furnaces, Blast, Behaviour of Coke in, 839. See 432, 435*
Centrifugal Gas Washer for, 673*
Disintegration Test for Slag, 280
Effect of Ash in Coke, 432, 435*. See 839
Large Hearth, Use with Coke from
High-Volatile Coal, 10
Silica Gel for Drying Blast, 432, 836*, 853
Theory of Working, 10, 432, 436*
Boiler, Automatic Control, Hagan System, 325*
Air Preheating for, 718
Air Preheating for, Treatise on (Review), 258
See also Stoker
Electric, Automatic Temperature Control
(Automatic and Electric Furnaces, Ltd.) 356*
Hardening, Wild-Barfield Magnetic Indicating System, 355* ; Hardening Motor- Car Gears, Comparative Tests, 498
High Frequency Induction, Ajax Northrup Type, 758
High-Frequency Induction, at National
Physical Laboratory, 147
High-Frequency Induction, Use for Ste<jl
Melting, 444, 758
Silit Resistor Type, National Physical Laboratory, 147*
Thermionic-Valve Type Voltage Regulator, 351, 537*
Gas and Eleatoic, Automatic Temperature Control Apparatus (R. Maclaren A Co., Ltd.), 746*
Industrial, Charging Machines for, Gibbons-Van Marie, 136*
Open-Hearth, Gas Permeability of Refractory Bricks. 10
Hearth, Steel Manufacture, Refractories for, 450
Producer Gas for Firing, 12
See also Coke Oven ; Cupola
Furness-Withy, Motor Passenger Liner. “Bermuda,” Launch, 177; Propelling Machinery, 805*
Fused Wires, Spectra of, 462
Fusee Type Ships’ Window, 312*
Fusible Plug, Steam-Wagon Boiler. Explosion from, 275

G

GALLAY Radiators Company, Ltd., Cozette Supercharger for Motor-Car Engines, 518*
Galloway, Sir W., the Late, 653
Gannett, D. K., on Television Apparatus, 240*. See 281*
Garland, C. S., on the Hele-Shaw-Beale Oil Separator, 815
Garner, J. H., on Small Sewage Works, 731 Garratt-Type Locomotive, South African Railways, 758*. See 780 *Garrett, R., and Sons, Ltd., Exhibits at Royal Agricultural Show, 76
Gas, Blast - Furnace, Centrifugal Washer (Richardsons, Westgarth and Co., Ltd.), 673*
Carbon Dioxide. See Carbon Dioxide Monoxide, in Exhaust from Motor Vehicles, 603
Coke Oven. See Coke Oven
Company, South Metropolitan, Co-Partnership System, 307. See LETTER, 484
Distribution by High-Pressure Pipe Lines, 173
Economiser, Alda, for Welding Plants, 356*
Fired Furnaces. See Furnaces and Gas Works. See also PARAGRAPH INDEX
High - Pressure Research Laboratories,
Imperial College of Science, 786
Industry, Co-Operation between Undertakers, 174 and Smoke Abatement, 647
Gas Light and Coke Co., Development of Low- Temperature Carbonisation, 82
Manufacture, Vertical Intermittent Chamber Ovens for, 710
Vertical Retorts, Increasing Throughput,103
Oil Ratio, Petroleum Wells, Effect of Oil Flow Control, 858
Permeability, Refractory Bricks, 10
Pressure, Increasing Yield of Oil Wells bv, 254
Producer. See Producer Re 746*
Gaseous Explosions and the Efficiency o Internal-Combustion Engines, 351, 371 ♦
Fuels for Motor Vehicles, 653
Gases, Ignition by Hot Wires, Report, 505
Liquid, Piezometer Density Measurement on, 39*
Properties of, National Physical Laboratory Investigations, 39*
Submerged Combustion, Possible Uses, 754
'J’ar Extraction from, Smith Glass-Wool Filter, 563*
See also Acetylene ; Carbon Dioxide ; Carbon
Monoxide; Hydrogen; Nitrogen; Oxygen; andc.
Gasin, Anti-Detonating Motor Fuel. 257
Gaskin Life-Boat for Ships, Tests, 839
Gasoline. See Petrol; Engines, Petrol; Carburettors ; Aeronautics
Gate-End Starter for Coal-Cutting Machines (Switchgear and Cowans, Ltd.), 676*
Gauges, Block, Wringing of, National Physical Laboratory Investigations, 273
Plug, Wear Tests of, 279
Gauld, R. D., on Light Railways, 648
Gayler, Dr. M., on Undercooling of Aluminium Alloys, 336
Gear-Boxes, Motor-Car. See Motor-Car Details
Cutting. See Machine Tools
Differential. See Motor-Car Details
Double Reduction, for Electric Motors
(Langham Engineering Co.), 714*
Reducing and Reversing, Burn, 342*
Reversing. See Reversing Gear
Gearing, Effect of Errors, National Physical Laboratory Investigations, 24
Reduction, Ljungstrom Turbine Locomotive, 801*. See 771*
Steering. See Steering; Motor-Car Details
Teeth, Steel for, Tests of Wearing Properties, 665*
Transmission, Spontan. for Motor-Cars, 658*. See LETTER, 754
Variable-Speed, with Friction Drive (Keenok C'o.. Ltd.), 423*
Wheels, Motor-Car, Comparative Tests of Hardening, 498
Teeth, Work Hardening bv Abrasion. 471*. See 420*, 445
Geared Turbines, Marine. See Marine Propulsion
General Electric Co., Ltd., Screen Grid Thermionic Valve, 430; Investigations of Deposits in Gas-Filled Lamps, 621 ; Diesel-Electric Set for Charing Cross Electricity Supply Co., 795*
General Electric Company of America. 60,000- kw. Turbine, Crawford Avenue Power Station, 613* ; 10,000-kw. Turbine,
Edgar Power Station, Boston, 728*
Generating Station. See Power Station Generator, Electric, Air-Turbine Driven, Miners’
Electric Lamp, 709*. See Erratum. 781
for Arc Welding (Anglo-Swedish Electric Welding Co.. Ltd.), 391*
Balancing Machine for Small Armatures, 202*
Compensated Voltage Control (C. A. Vandervell and Co., Ltd.), 352*
—1 — 1,200-kw., Direct-Current, Diesel Engine- Driven, for Charing Cross Electricity Supply Co., 795*
Efficiency of, Standard Rules, 843
Hydraulic Brakesfor, Walchensee Hvdro-Electric Powrer Plant. 448*
10,000-kw. to 14,000-kw. Ljungstrom Turbine Set, Details of Construction, 542*. See 411*
Motor-Driven, for Arc Welding (Quasi-Arc Co., Ltd.), 323*
Oil-Engine Driven, Automatic Control, (Crossley Brothers, Ltd.), 42*
120-kw., Oil-Engine Driven, for Dragline Excavator, 639*. See 609*
1-kw ., Oil-Engine Driven (Petters, Ltd.), 316*
2-kw. and Paraffin Engine, Lighting Set (Atlantic Engine Co., Ltd.). 357*
8-kw’., Petrol-Engine Driven (E. T. White and Co. (1926), Ltd.), 315*
l-kw\, and Petrol Engine. Lighting Set (Arrol-Johnston and Aster Engineering Co., Ltd.), 357*
16,000-kw., Single-Phase. Walchensee Hvdro-Electrie Power Plant. 449*
Tests of Coil-Binding Rings. 624
20,000-kv.-a. Three-Phase. Walchensee Hydro-Electric Power Plant, 418*, 447*. See 255*
Voltage Regulator for, Thermionic-Valve Type, 351, 537*
See also Turbo-Qenerators Geneva Conference, Limitation of Naval Armaments, See Warships
Geography, Polar, Problems of, 541
Geology, Climates of the Past. 59. 541
in Constructional Engineering (Review). 494
of South Staffordshire Coalfield (Review). 835
German Coals, Tests on Pulverised Firing, 14
Germany, Berlin, Exhibition and Conference on Engineering Materials, 734
Gas Distribution in, 173
Hamerten Railway Bridge, 225*, 347*
Walchensee Hydro-Electric Power Plant 162*, 228*, 255*. 417*, 447*
Gibb, M. S., on Oil Fuel and the Coal Indust%, 588
Gibbons Brothers, Ltd., Furnace Charging and Discharging Machines. 136*
Giesler, C. F. R., Ltd., Balancing Machine for Small Armatures, 202*
Gilchrist, J., on Shearing Strength of Reinforced-Concrete Beams, 563*. See 413
Gill, C. S., on Ash in Coke for Blast Furnaces, 435*. See 432
Gill, J. H. W., on Low-Lift Axial-Flow and Centrifugal Pumps, 535*. 566*. See 401
Gunbal Mounting, Jib-Head Pullev, Dragline Excavator. 639*
Girders, Plate, Electrically Welded, 210*
See also Reams ; Bridges ; Floors Gladstone Dock, Liverpool. Construction of, 70*. See 115
Gland, Labyrinth, Ljungstrom SteRm Turbine, 507*
Glasgow Electricity Supply, Frequency Standardisation, 589
Glasgow Iron and Steel Co., Ltd., Wishaw Works, Silica-Gel Blast-Drying Plant, 432, 836*, 853 .
Royal Technical College, Calendar, 369
Meeting, Iron and Steel Institute. See Iron and Steel Institute
Glass, Defects in (Review), 291
Manufacture, Applications of Physics, 7
Shadow-Diffusing, for Miners’ Lamps, The Lumax, 709*
Technology, Society of, Gaseous Fuels for Furnace Heating, by R. Wiggington, 12
Researches and Reports (Review), 291
Viscosity of, National Physical Laboratory Investigations, 211
Wool Filter, Tar Extraction from Gases, 563
Gleniffer Motors, Ltd., Marine Motor and Reverse Gear, 840*
Gold Mining in Canada, 557. See 691
Precipitation from Cyanide Solutions on Charcoal, 252
Production and the Cost of Living, 347 Goo by, R. 0., on Rural Roads, 680
Goodenough. F. W., on the Gas Industry and Smoke Abatement, 647
Goods Rates, Railway, and the “ Appointed Day,” 276
Goodwin, Barsby and Co., Ltd., Concrete Mixer, 642* ; Jacta Mixer and Dryer for Bituminous Road Materials, 725*
Gordon, J., Co., Ltd., Hagan Boiler-Control System, 325*
Governing Gear, Ljungstrom Turbo Generator, 507*. See LETTER, 654
Pelton Wheels (P. Pitman), 106*
Grading Machine for Fruit and Vegetables, 519 for Road Construction (J. and F. Howard, Ltd.), 725*
Graham, J. J., on the Conversion of Coal into Oil, 719
Grain-Car Dumper, Port of Philadelphia, 539*
Handling Equipment, Port of Montreal, 159* ; Port of Philadelphia. 539* ; Port of Baltimore. 701*
Moisture-Testing Apparatus for, 154*
Silos, Ferro-Concrete, Construction with Movable Shuttering, 237
Gramophone Pick-Up Devices, Radio Exhibition. 430
Granite-Sett Paving, Holland Tunnel, New York, 738*
Tamping Machine for, 725*
Graphite, Lubricating Properties of, National Physical Laboratory Investigations, 24
Grates. See Furnace ; Stoker
Graving Dock. See Dock
Gray, F., on Television, 247* See 281*
Great Western Railway, Loss of Passenger’s Luggage, Lawsuit, 227 ; Locomotive “King George V,” 56*. See Erratum, 87 ; Run on Baltimore and Ohio Railroad, 754
Northern Railway, United States, Cascade Tunnel, 214
Green, A. T., on Refractories for Open-Hearth Steel Works, 450 ; on Properties of Silica and Fireclay Products, 787
Green, E. I., on Television Apparatus, 249*. See 281*
Green <fe Carter, Ltd., Hydraulic Ram for Water Raising, 78*
Greenock Water Supply. Centenary of ShaWs Water Co., 20. See LETTER 108
Greenwich Fuel Research Station, Report on Decomposition of Coal, 64* ;
Report on Work,193 : Thermo-Couple Pyrometers, 858
Observatory, Determination of Stellar Temperatures, 509
Greenwood and Bat ley, Ltd., Hele-Shaw-Beacham Transmission Gear. 393*
Gregory, Dr. J. W., on Water Divining, 680
Griffiths, Dr. E.. on Air Conditioning and Hygrometry, 607
Grinding Coal, Kennedy Tube Mill, 792*. See 788
and Disintegrating Plants (Review), 69
Machines. See Machine Tools
Mills, Cement, Rubber Linings for, 672
Plant, Cement Manufacture, 699. See 671 Grit-Spreading Attachment for Tar Spraying Machine, 726
Groynes, Protection against Coast Erosion, 732
Guider, W..on Application of Froth Flotation Process to Baum Coal Washer, 51
Gully-Emptying, Motor Wagons for, 534*, 643*
Gunboats. See Warships
Gutteridge, H., on Portland Cement Plant, 697*. See 671, 715
Gwyer, Dr. A. G. C.. on Aluminium-Silicon- Iron Alloys, 366

H

HACK Sawing Machine. See Machine Tools Hadfield, Miss I. H., on the Action of Sunlight on Cotton, 607
Hadtteld, Sir R., on Alloys of Iron and Manganese Containing Low Carbon, 148*. 184*
Hadflelds, Ltd., Exhibits at Public Works Exhibition, 727
Hagan Automatic Boiler-Control System. 325*
Haggie, Major R. H. the Late, 107 Hague Sewage Works, Doby Stokers at, 778*
Hakol, Ltd., Smith Tar Extractor, 563*
Hall, J. <fc E., Ltd., Refrigerating Plant. 324*.See 3*50
Hall Valve-Seat Re-Facing Tool, Motor-Car Engines, 134*. See Erratum, 205
Hamerten Railway Bridge, 225*, 347*
Hamilton Wagon Tippler for Spoil Heaps, 678*
Hammers. See Machine Tools
Hancock, W. C., on the Strength of Unflred Fireclay Bodies, 451
Handley-Page Slotted Aeroplane Wing, National Physical Laboratory Investigations, 86*

Hanson, Prof. D., On the Behaviour of Mild Steel under Prolonged Stress at High Temperatures. 409. See 400 ; on Silicon- Carbon-Iron Alloys, 431 ; on the Influence of Nickel and Silicon on an Iron-Carbon Alloy, 444
Harbours, Australian, Destruction of Timber Piles, 847
Oil Contamination, Hele-Shaw Beale Separator for Prevention, 815
Western, of the North Atlantic: Montreal, 157*; New York, 286*, 381*; Philadelphia, 495*, 539*. 575* ; Baltimore, 635*, 701*, 829*
Works, Deterioration of Structures in Sea Water, 49, 475, 847
See also PARAGRAPH INDEX
Hardening of Elektron Alloys, 385,597*
Metals. See Heat Treatment under Metallurgy of Steel by Abrasion 445, 470* See 420* by Rain of Steel Balls, Cloudburst Process, 420*. See 445. 470*
Hardness Tests. See Tests (Materials)
Hardy, A. C., on Motor Ships and World Trade Routes, 398
Hardy, Sir W.. on Physics in Food Industry, 720
Hargreaves, F., on the Lead-Tin Eutectic, 375*. See 367
Harland and Wolff, Ltd., Motor Oil Tanker “ Paua,” 406* ; S.S. “ Laurentic,” 631
Harrison, McGregor and Co., Ltd., Root-Cleaning and Cutting Machine, 75*
Harrogate Water Works, Combined Vee-Notch and Rectangular Weir Recorder. 712*
Hartley and Sugden, Ltd., Caloriflers, University College Hospital, 2*
Hartmann, J., on the Jet-Wave Rectifier, 338*, 377*. See 351
Hasler Telegraph Works, Revolution Recorder for Aero Engines, 168*
Hatfield, Dr. H. S., on Automatic Control of Water-Softening Plants, 786
Haulage, Mine, Pickrose Com pressed-Air Engine for, 710*
Hauling Ropes, Self-Lubricating Pulley, 673*
Havant Pumping Station, Portsmouth Water Supply, 420
Hawksley Lecture, X-Ray Analysis of Metals, 627*. See Erratum, 616. See also 811 Hawthorn, Leslie and Co., Ltd., *High-Pressure Boilers for S.S. “ Borneo,” 236. See Erratum, 276
Hay, Transport Appliances for, 372*. See 401
Heald, F. H., on River Pollution. 680
Heat Balance, Rotary Kilns, Cement Manufacture, 671, 698. See 715
Conductivity, Quartz, Determination, 212
Earth’s Internal, Use for Power Production, 335
Engines. See Engines; Turbines; Aeronautics
Extraction Type Single-Cylinder Steam Engine, 550*
Insulation, Cold Stores, National Physical Laboratory Investigations, 212
Losses from Aeroplane Wings, 87
Specific. See Specific Heat
Transmission and Fluid Friction, Relationship, 23
Treatment of Metals. See Metallurgy Heater, Feed-Water. See Feed-Water Heater Heating Buildings, Panel System, University
College Hospital, 3*
Curves, Alloys. See Metallurgy
Domestic, Oil Fuel versus Coke for, 137, 275, 328, 402, 456, 484, 526, 590. See 550*
Parwinac Oil-Burning Apparatus for, 550. See LETTERS, 137, 275, 328, 402, 456, 484, 526, 590
Work of Fuel Research Board, 195
Installation, University College Hospital, London, 1*
Steam, Heat-Extraction Engine for Supply, 550* ,
Hedges, Dr. J. J., on Moisture Relations of Colloidal Fibres, 607
Heisenberg, Dr., on Quantum Mechanics, 462
Hele-Shaw Beacham Hydraulic Transmission Gear, Crane Brake and Capstan, 393*
Beale Oil Separator, Prevention of Contamination of Sea Water, 815
Helical Gears. See Gears
Hematite Prices. See Metal-Price Diagrams
Henderson, Sir J. B., on Invention and Progress, 309. See 301, 333
Herbert, A.. Ltd., Milling Machine, 732*
Herbert. E. G., Cloudburst Process, Super-
Hardening of Steel, 420*. See 445. 470* ; on Work-Hardening of Steel by Abrasion, 470*. See 420*, 445
Herbert, E. G., Ltd., Rapidor Hack-Sawing Machine, 486*
Herbert Engineering Co. (1924), Ltd., Steering Damper for Motor Cars, 517*
High-Frequency Induction Furnace. See Furnace ,
Speed Steel. See Steel
Temperature Tests. See Tests (Materials) Highways. See Hoads
Hilger, A., Ltd., Stereoscopic Photographs, Atomic Structure of Crystals, 780
Hiraga, Admiral, on the Japanese Admiralty Experimental Tank, 801
Hirst, H. R., on Ultra-Violet Light in Textile Analysis, 607
H.M. S.S. See under Warships
Hiscock. E. J., Grading Machine for Fruit and Vegetables, 519
Hodgson. J. L., on the Utilisation of the Earth’s Internal Heat, 335
Hoisting Appliance Co., Slat Conveyor for Boxed Goods, 519
Gear, 175-ton, Oil-Electric Dragline Excavator, 640*. See 609*
Hoists. See also Cranes
Holborn Mechanical Tandem Telephone Exchange, 452* ; Automatic Exchange, 854*
Hold, Dr. K., Experiments with Pulverised Ruhr Coals, 14
Holland, Economic, Financial and Industrial Conditions in, Report on, 271
Holland Tunnel under Hudson River,New York, 601*, 667*, 735*
Holman Brothers. Ltd., Exhibits at Public Works Exhibition, 726
Holmes, C. W. H., on Coal Cleaning, 51
Home Office Inspector’s Report, Factories and Workshops, 241
Museum of Safety Appliances, 752
Hooks, Crane, Strength of. 209
Hopkinson, A., Pickrose Air Motor and Trailing Cable Plug, 710*
Hopper Dredger. See Dredger
Hormones, Chemistry of, 510
Horton. J. W., on Television. 247*. See 281*
Hospital. University College, London, Heating and Hot-Water Installation. 1*
Hospitality at Engineering Institutions. 814 Hot-Water Installation, University College,
Hospital, 1*
Wire Anemometer and Wind Direction Indicator, National Physical Laboratory 86*
Ignition of Gases by, Report, 505
Hotchkiss Internal-Cone Propeller, 186*
Hours of Labour. See Labour
House Heating, Coke versus Oil Fuel for, 137, 275, 328, 402, 456, 484,526, 590. See 550* Parwinac Oil-Burning Apparatus for,
550*. See LETTERS, 137, 275, 328, 402, 456,
484, 526, 590
Refuse Collection, Shelvoke and Drewry Lorry for, 725*
Hovgaard, Prof. W., on Deformations and Stresses in Airships, 145 ; on an Aeroplane Station in Mid-Atlantic, 223*. See LETTERS, 275, 654
Howard, E., the Late, 520
Howard, J. and F., Ltd., Petrol Locomotive, 78* ;
Road-Grading Machine. 725*
Hudson River, New York. Holland Tunnel under, 601*, 667*. 735*
Hughes, Dr. E., Magnetic Bridge Permeameter, 281*
Hugill, W., on Silica Bricks, 451
Hume-Rothery, Dr. W., on Magnesium- Cadmium Alloys, 385
Humidity, National Physical Laboratory Investigations, 212
Hunter, T. G., on the Composition of Cracked Distillates, 727
Hurst, J. E., on the History of the Cupola, 830*
Hurst-Ball Process, Centrifugal Castings, Locomotive Piston-Valve Bushings, 580*
Hydraulic Brake for Cranes, Hele-Shaw Beacham System, 393 for Electric Generators, Walchensee
Hydro-Electric Power Plant, 448*
Lockheed, Triumph Motor Car, 477*
Hydraulic Engineering Co., Ltd., Thrust-Boring Machine, 390*
Jack for Motor-Cars (Tangyes, Ltd.), 757*
Machine Tools. See Machine Tools
Model of Electric Discharge, 314*, 334
Power Plant. See Power Plant
Press. See Press under Machine Tools
Pumps. See Pump
Ram for Water Raising (Green <fe Carter, Ltd.), 78*
Riveter with Universal Hangar, 823*
Transmission Gear, Hele-Shaw Beacham.
Crane Brake and Electric Capstan, 393*
Turbines. See Turbines; Pelton IFheels ; Power Plant
Hydraulics, Water Conduits, Chart for Estimating Velocities, 105*
Flow Measurement, Combined Vee
Notch and Rectangular Weir, 712*
See also Hydrodynamics ; Irrigation ; Water Hydro-Aeroplane. Sea Seaplane under Aeronautics
Electric Power Plant. See Poiver Plant Hydrodynamics, Fluid Friction and Heat Transmission, Relationship, 23
Friction over Wave Surfaces, 23
Motion, Work of National Physical Laboratory, 23, 86*
Recent Progress in, 277*, 294*, 405*, 440*. 500*
Stream Lines round Elliptic Cylinder, 86*
See also Ship Resistance
Hydrogenation of Coal, Bergius Process, 194, 719
Hydrometers, Apparatus for Testing, National Physical Laboratory, 273*
Hygrometrv and Air Conditioning, Textile Industry, 607

I

IGNITION of Gases by Hot Wires, 505
Illinois Steel Co., Labour Conditions and Production, 407. See 400
University of, Measurement of Air Flow in Mines, 536
Illumination, International Commission on, Bellagio, 667
Requirements for Street Lighting, 364, 429
Research Committee, Report on Mean-Spherical Candle Power, 262*
See also Light; Lighting; and Lamps under Electric
Imhoff Tank Plant, Sewage Treatment, Trenton, N.J., 721
Impact Tests. See Tests (Materials)
Imperial College of Science, Department of Aeronautics, Syllabus, 148; High-Pressure Gas Research Laboratories, 786
Institute Laboratory, Cement Consistency Testing Apparatus, 417*
Implements Trade, Census of Production Statistics, 179
Import Trade. See Trade Impulse Turbines. See Turbines Incandescent Lamps. See Lamps under Electric
India, River Mahi Bridge, Replacement of Damaged Verticals, 65*
Road Construction and Motor Transport in, 652 Rubber. See Rubber
Indian Beam Service. Wireless Telegraphy. 295
Irrigation, Punjab Engineering Conference at Lahore, 433
Work, Dragline Excavator, 608*, 639*
Railways, Report. 130. See Erratum, 395
Indicator Diagrams, Marine Engines, Perkins Early High-Pressure System, 183*
Steam Engine, Heat-Extraction Type, 554*
Three-Cylinder Compound Locomotive, 825*, 857*. See 817
Electrical-Capacity Type, for High-Speed Engines, 253*
Revolution, Sperry Electrical, 319*
Induction Furnace. See Furnace, Electric
Motor. See Motor, Electric
Industrial Accidents. See Jccufenfe
Agreements and Disputes. See Labour
Alcohol. See Alcohol; Motor Fuels
Chemistry. See Chemistry
Development, Co-Operation in, 717
Economics, Forecasting Business by Statistical Analyses, 427 See also Labour
Fatigue. See Labour
Furnaces. See Furnaces
Management. See H’orA*# Management
Notes. See Labour Notes under Labour .— Plants, Engineers in, 494
Power Plants, Independent, Advantages of, 524. See LETTERS, 562, 591, 625
Psychology, Machine Speeds and Output. 542
Rates of Working, Investigations, 542
Times and Motion Study in, 542
Value of, 365
Research. See Research
Industries, Canadian. Development of, British Opportunities, 751. See 399
Czechoslovakia, Report, 589
Italian, Report on. 175
Mining and Metallurgical, of Canada, 566. See 691
Netherlands, Report on, 271
See also Trade and PARAGRAPH INDEX Industry, Chemical, Application of Refrigeration in, 787
Coal, Attitude Towards Oil-Driven Ships, 588
Position and Prospects, 20
Coking, British, and its Products, 719
Co-Partnership in. See Labour
Educational Requirements of, 606
Electrical, Position and Prospects, 561 Trusts and Combines in, 269. See 331, 431
Engineering, British, Canadian Market for Products, 399. See 751
Conciliation in, Report on, 845 and Foreign Competition, 619
Past and Present Positions, 619
Financial Assistance by Banks, 52. See
LETTER, 137
Food, Physics in, 720
Forecasting Business by Statistical Analyses,
427
Glass, Use of Physics in, 7
Iron and Steel/ United States, Economic
and Social Development, 400, 407
Motor Car, British, Development of Export
Trade, 476

Car, Effect on Engineering Practice in

Midlands, 21, 26

Car, Position and Prospects, 524

Need for Combination in, 331
New Leadership in (Review), 558
Promotion of Goodwill in, 845
Rationalisation of, 331
Shipbuilding, Factors Affecting Economy,
245
Shipping, in European War (Review), 213
Steel and Iron, Belgian, Anniversary of
Cockerill Works, 461

British, Rebate to Consumers, 333 United States, Technological Problems,

839
Infirmary, Booth Hall, Air-Pressure Boosters for Water Supply, 630*
Information Bureaux and Special Libraries,
Association of. See Libraries
Sources of, Aslib Directory, 431 Ingots, Steel, Corner Segregation in, 624*

Testing for Soundness, 624*

Inks, Printing, Mixing Machines for, 298* Inland Navigation. See Navigation ; Canals ;
Rivers, <fcc.
Inspector, Home Office. Report on Factories and Workshops, 241
Institute of Fuel. See Fuel
of Transport. See Transport
See Institutions
Institutions, Engineering, Hospitality at, 814 Suggested Joint Meetings, 621
of Engineers, Australia. See Jwsfrafta
Royal. See Royal Institution
Technical and Scientific. See Aeronautical
Society, Royal; Agricultural Society,
Royal; Arts, Royal Society of; Australia,
Institution of Engineers: Automobile
Engineers, Institution of: Bradford Engineering Society ; British Association ; Ceramic Society; Chemical Engineers, Institution of; Chemical Industry, Society of; Chemical Society; Civil Engineers, American Society of; Civil Engineers, 'French Society of; Civil Engineers, Institution of; Concrete Institute, American ; Consulting Engineers, American Institute of; Electrical Engineers, American Institute of; Electrical Engineers, Institution of; Engineering Inspection, Institution of Engineers and Shipbuilders in Scotland, Institution of; Faraday Society; Fuel, Institute of; Class Technology, Society of; Iron and Steel Institute: Iron and Steel Institute, American; Libraries, Special, and Information Bureaux, Association of: Marine Engineers, Institute of ; Mechanical Engineers, Institution of; Metals, Institute of; Meteorological Society, Royal; Mining and Metallurgical Engineers, American Institute of; Naval Architects, Institution of; Naval Architects, Japanese Institution of; Naval Architects and Marine. Engineers, Society of; North-East Coast Institution of Engineers and Shipbuilders ; Optical Society; Petroleum Technologists, Institution of; Physics, Institute of; Public Lighting Engineers, Institution of; Royal Institution ; South Wales Institute of Engineers ; Supervising Electrical Engineers, Association of; Testing Materials, American Society for ; Transport, Institute of.
Instruments, Measuring, Electrical, Work of National Physical Laboratory, 243
See also Aeronautics ; Electric
Insulating Oils, Standard Specification, 10
Insulation. See Heat; Electric Interference, Optical, Calibration of End-Gauge Comparator by, 577*
Internal-Combustion Engines. See Aeronautics ; Engines ; Motor Cars ; Motor Boats ; Tractors
International Commission on Illumination, Bellaglo, 007
Conference and Exhibition, Medical Uses of Light, 780
Congress on Scientific Management, Rome,
Electrotechnical Commission, Italian Meeting, 242
Trade. See Trade
Invar, Coefficient of Expansion, National Physical Laboratory Investigations, 273
Inventions, Exhibition of, Institute of Patentees, 519
and Scientific and Economic Progress, 301,300, 333
See also Patents
Ireland, Shannon Water Power Scheme, 420
Irish Free State, Patents and Trade Marks in, 433
“ Irishman,” S.S., Perkins High-Pressure Steam Machinery, 184*
Iron Alloys. See Metallurgy ; Steel Alpha, Solution of Cementite in, 440, 472*
Case Hardening. See Heat Treatment under Metallurgy
Corrosion. See Corrosion .
Foundry. See Foundry
Furnaces. See Furnaces
Heat Treatment. See Metallurgy
Manganese Alloys, Low Carbon, Properties of, 148*, 184*
Manufacture. See Furnaces, Blast; Metallurgy
Ore. See Ore
Phosphorus Alloys, Preparation of, 211
Pig, Prices. See Metal-Price Diagrams
Pure, Preparation of, 211
Rolling Mills. See Rolling Mills
and Steel, Corrosion and Protection in Sea Water IQ 47^
Creep Stresses in, 39, 44*, 181*, 837*
Industry, Belgian, Anniversary of Cock-erill Works, 401
Industry, Canadian, 557. See 091
Industry, Czechoslovakia, 590
Industry, United States, Economic and Social Development, 400, 407

Iron and Steel Institute :

Spring Meeting, London '
The Acj Range in Special Steels, by Prof.
J. H. Andrew and H. A. Dickie, 01*
Alloys of Iron and Manganese Containing Low Carbon, by Sir R. Hadfleld, 148*, 184*
Autumn Meeting, Glasgow:
Inaugural Proceedings, 400
Reports of Discussions, 400, 431, 444
Economic and Social Development of the
American Iron and Steel Industry, by T. W. Robinson, 407. See 400
Behaviour of Mild Steel under Prolonged Stress at 300 deg. C., by Dr. W. Rosenhain and Prof. D. Hanson, 409. See 400
Award of Carnegie Gold Medals, 432 Constitution of Silicon-Carbon-Iron Alloys,
and a New Theory of the Cast Irons, bv Prof. D. Haitson, 431
Use of Silica Gel, as a Medium for Drying Blast, by E. II. Lewis, 853. See 432, 830*
Effect of Varying Ash in the Coke on Blast- Furnace Working, by C. S. Gill, 435*. See 432
Theory of the Blast-Furnace Process, by Prof. F. Wust, 430*. See 432
High-Frequency Induction Melting, by
F. Campbell, 444
Influence of Nickel and Silicon on an Iron- Carbon Alloy, by Dr. A. B. Everest, T. H. Turner and Prof. D. Hanson, 444
Work-Hardening of Steel by Abrasion, by
G. Herbert, 470*. See 420*, 445
Solution of Cementite in Alpha Iron and its
Precipitation, by J. H. Whlteley, 472*. See 440
Magnetic and other Changes concerned in the Temper Brittleness of Nickel- Chromium Steels, by Dr. H. A. Dickie, 595*. See 444
Iron and Steel Institute, American, Operation of Large-Hearth Blast Furnace, Using Coke from High-Volatile Coal, by J. E. Lose, 10 ; Theory of the Blast Furnace, by R. Franchot, 10; Pilger Tube Mill, Pittsburgh Steel Products Co., by W. C. Sutherland, 10 ; Gas Permeability of Refractory Bricks used in Metallurgical Furnaces, by F. A. Wickerham, 10 ; Centrifugal Casting Processes, by J. D. Capron. 57* ; Electrically - Welded Structural Steelwork, by J. H. Edwards, 210* ; Technological Problems of the Steel Industry, by A. W. Forbes, 839; Evolution of the Wide Strip Mill, by S. Badlam, 830 ; Steel Mill Boiler Plant, by D. L. Mekeel, 839; Behaviour of Coke in the Blast Furnace, by T. L. Joseph, 830; Cast-Iron Pipes Centrifugally made in Sand Moulds, by J. T. Mackenzie, 830
Iron and Steel, Physical Properties, Magnetic Tests, 141
Properties at High Temperatures, 39 44*, 181,* 837*
Works. See B'orA-s
See also PARAGRAPH INDEX
Welding. See IPeMing
Wrought, Chains, Causes of Brittleness, 39 Encyclopaedia, of (Review), 622
See also Cast Iron ; Steel; Pig Iron ; Metallurgy
Ironwork, Encyclopaedia of (Review), 622
Structural. See Bridges ; Hoofs ; Steelwork ; Structural
Ironworks, Scottish, an Early, 368*
Irrigation, Abyssinia, Lake Tsana Regulation Scheme, 620
Egyptian, Nag Hammadi Barrage, 276
Indian, Dragline Excavator for, 608*, 639*
Punjab Engineering Conference at Lahore, 433
In Kenya, Proposals, 175
See also PARAGRAPH INDEX
Italian Navy, Submarine Construction and the Geneva Conference, 112
South American Passenger Service, M.S. “ Saturnia,” 455*
Italy, Commercial, Industrial and Economic Situation, Report, 175
Leghorn Power Station, Ljungstrdm Turbo-Generator for, 411*, 507*, 542*. See LETTER, 654
Rome, Proposed Experimental Tank for Ship Models, 800
South East, Water Supply, Apulian Aqueduct, 285*
Ives, H. E., on Television, 247*. See 281*

J

JACK, A. G. McK., the Late, 200
Jack, Hydraulic, for Motor Cars (Tangyes, Ltd.), 757*
Jackman, D N., on a Weighmcter for Washing Machines, 787
Jackson, J. S., on Burning Mineral Oil in Wick-Fed Lamps 21
Jacta Drying and Mixing Machine for Tar Macadam, 725*
Jamaica Bay Port Development Scheme, New York, 381*
Japan, Machinery Market in, 103
Japanese Admiralty Experimental Tank, 801
Institution of Naval Architects. See Naval Architects
Naval Policy, Geneva Conference, 18, 112
Jefferson, C. E., on Pulverised Coal Applied to Marine Boilers, 791*. See 788*, 810, 819
Jenkins, C. H. M., on Cooper-Zinc-Cadmium Alloys, 384
Jet-Wave Rectifier for Alternating Current, 338*, 351, 377*
Jib-Head Pulley, Gimbal Mounting, Dragline Excavator, 639*
Jig, Drilling (Atalanta, Ltd.), 356*
Johnson, B., <fe Son, Trench-Tamping Machine, 690*
Johnston Brothers, Patching Outfit for Bitumen-Surfaced Roads, 643*
Joints, Cast-In, Strength of, 215*. See Erratum, 232
Pipe, for High Steam Pressures, 764*
Jolley, L. B. W., on the Standard Specification for Street Lighting. 364. See 429
Jones, A. A., the Late, 329
Jones, E. H. (Machine Tools), Ltd., Spline Grinder and Horizontal Milling Machine, 388 ; Raboma Radial Drill, 599*
Jones, W. J.,on Street Lighting in London, 647
Jones, W. R. D., on Copper-Magnesium Alloys,
Joseph, Dr. A. F., on the Characterisation of Clays, 451.
Joseph, T. L., on Blast-Furnace Coke, 839
Journals. See Bearings

K

KARRI Ell Motors, Ltd., Motor Lorry with Gully - Emptying and Street-cleansing Equipment, 643*. See 534* ; Six-Wheel Motor-Omnibus Chassis, 704*
Keith, Sir A., on the Theory of Evolution, 303. See 685
Keenok Co., Ltd., Variable-Speed Gear, 423
Kennedy Tube Mill, Coal Pulverising, 702 See 788
Kent, G., Ltd., Differential Type "Flow Meter, 713
Kent, J. L.,on Speeds of Ships in Winter, 113
Kenya and Uganda Railway, Locomotive for, 108
Water Supplies of, Report, 175
Kerbs, Concrete. Machine for Making (Winget (1014), Ltd.), 688*
Kerosene, Burning in Wick-Fed Lamps, 21
Kewley, J., on Burning Mineral Oil in Wick-Fed Lamps, 21
Kibbling Rolls, Cement Manufacture, 607. See 671
Kidde, W., Co., Inc., Lux-Rich Fire Extinguishing System, 353*. See 360. 426
Kilns, Rotary, for Cement Manufacture, 608. See 671, 71.5
Cement Manufacture, Atomised Feed for, 671, 600
Cement Manufacture, Heat Balance of, 671,608. See 715
King, A. T., on Chemical Aspects of Wool Research, 607
King’s College, Ixmdon, Faculty of Engineering, Prospectus, 148
“ King George V,” Locomotive, Great Western Railway, 56*. See Erratum 87 ; Run on Baltimore and Ohio Railroad, 754
Kirin-Tunghua Railway, Manchuria, 811
Kitchen Equipment, University College Hospital, 3
Klingenberg Power Station, 70,000-kw. Turbine, 728
Koehring Concrete Mixer and Spreader, 691
Krupp, F., Akt., Ges., Handmerten Railway Bridge, 225, 347

L

LABORATORIES, Research, High-Pressure Gas, Imperial College of Science, 786
Wembley, Investigations of Deposits in Gas-Filled Lamps, 621
Laboratory, Imperial Institute, Cement-Consistency Testing Apparatus, 417*
Work in Engineering Education, 19
See also National Physical
Labour:
Atkinson-Priestman System, Co-Operative Production (Review), 738
Burmehter and Wain’s Works, Settlement of Strike at, 304
Coal Industry, Attitude of Labour, 19
Conciliation, Engineering Industry, Report on, 845
Co-Operative Production, Priestman- Atkinson System (Review), 738
Co-Partnership and Profit-Sharing in Industry, 397. See LETTER, 484
Cost of Living, Cause of Increase, 347
Demarcation Restrictions, Shipbuilding Industry, 245
Denmark, Responsibility for Strikes in, 304
Education and Industrial Requirements, 606
Industrial Accidents. See Accidents — Development, Co-Operation in, 717 — Fatigue Research Board, Report, 50 — Psychology, Machine Speeds and Output, 542
Rates of Working, 542
Times and Motion Study in, 542
Value of, 365
Industry, Promotion of Goodwill in, 845 — New Leadership in (Review), 558
Insurance, Unemployment. See Unemployment (below)
Iron and Steel Works, American, Selection and Training of Employees, 366
Labour Notes, 11, 55,88,118,135,166,201, 233. 2.62, 306, 337, 370, 403, 434, 454, 485, 530, 549, 591, 626, 654, 681, 723, 745, 776, 809, 850. See PARAGRAPH JNJXBX
Machine Speeds and Output, 542 Mechanics, Skilled, and the Motor-Car Industry, 27. See 21
Motion Study and Industrial Psychology, 542
Piecework and Premium Systems, Motor Car Industry, 27
Premium Systems and Piecework, Motor Car Industry, 27
Priestmap-Atkinson System, Co-Operative Production (Review), 738
Profit-Sharing and Co-Partnership in Industry, 397. See LETTER, 484
Railway Trade Unions and Efficiency of Working, 397. See LETTER, 484
Rates of Working, Normal and Maximum, Investigations, 542
Shipbuilding Industry, Factors Affecting Economy, 245
Skilled Mechanics and the Motor-Car Industry, 27. See 21
South Metropolitan Gas Co., Co-Partnership System, 397. See LETTER, 484
Strike, Burmeister and Wain’s Works, Union and Workers’ Fines, 304

 *and the Trades Disputes Act, 174 
 *Trades Disputes Act, Working of, 174 — Union Congress, Proposed Conference on Industrial Situation, 845

Railway, and Efficiency of Working, 397. See LETTER, 484
Restrictions and the Cost of Production, 347, 620
Restrictions and the Shipbuilding Industry, 245
and Scientific Management, 365
Unemployment Insurance Bill, Provisions of, 292
United States Iron and Steel Industry, Labour Conditions and Production, 400,407
Labyrinth Shaft Gland, Ljungstrom Steam Turbine, 507*
Lacrc Motor Car Co., Ltd., Exhibits at Public Works Exhibition, 726
Lagging, Boiler and Steam Pipe, Pyrometers for Surface-Temperature Measurement, 319*. See Erratum, 401
Materials. See also Heat Insulation Lahore, Punjab Engineering Conference, 433
Lake Michigan, Sewage Pollution and Water Supply, 492
Tsana Regulation Scheme, Abyssinia, 620
Lakeside Power Station, Operating Experiences with High-Pressure Steam, 687
Laminated Spring Bars, Punching and Shearing Machine for, 486*
Special Steels for, Tests at National Physical Laboratory, 24
Lamp, Buoyant, for Life-Saving at Sea, 352*
Colliery. See Safety Lamps
Daylight Signalling (C. A. Vandervell and Co., Ltd.), 352*
Electric. See Electric
Holders, Bayonet Type, Standard Specification, 521
Oil, Automatic Vacuum, 167*
Safety. See Safety Lamps
Wick-Fed, Burning Mineral Oil in, 21
Lancashire Boiler. See Boiler
Land Drainage, Report of Royal Commission, 784
Reclamation in Palestine, 771

Lander, Dr. H. C., on Coal Supplies and Utilisation, 340. See 334
Landing Stage, Floating, for Aeroplanes, in Atlantic, 223*. Spe LETTERS, 275, 654
Langenbrugge Power Station, High-Pressure Turbine, 729*
Langham Engineering Co., Electric Motor with Reduction Gear, 714*
Laplace’s Theory of Probability and Physical SPIPIIPP 111
Latent Heats of Metals, 212
Lathes. See Machine Tools
Launch with Hotchkiss Internal-Cone Propeller, 186*
Motor. 8ee Motor Boat Launching Drag Wires, Stresses in, 65
Laundry Washing Machines, Weighmeter for, 787
Laurence, Scott, and Co., Ltd., Electric Motor for Marine Auxiliaries, 320* ;
Electric Steering Gear for Ships, 356*
“ Laurentlc,” S.S., White Star Line, 631
Law. A. H., On Higher Steam Pressures, 610*, 728*. 763*. See 621
Law. See Legal; Labour; Patents
Lawaczeck-Heymann Balancing Machine for Small Armatures, 202*
Lawn Mower, Electrically-Driven (Ransomes, Sims and Jefferies, Ltd.), 44*
Le Day Viaduct, Swiss Federal Railways, Reconstruction, 767*
Lea, Prof. F. C., Heat Treatment of Cold- Drawn Steel Tubes, 797*, 831*
Lea and Francis, Ltd., 14-40 h.p. Motor Car with Cozette Supercharger, 517*
Lea Recorder Co., Ltd., Vee Notch and Rectangular Weir Recorder, 712*
Lead Alloys. See Alloys under Metallurgy
Prices. See Metal Price Diagrams League Island Navy Yard, United States Navy, 350-ton Crane. 575*
Leeds Church Middle Class School, History of, 582
Meeting, British Association. See British Association
University of, Experiments on Whirling Speeds of Shafts, 415, 474*. See LETTERS, 484, 526

Legal:

Expert Evidence in Lawsuits, 143
Irish Free State, Patents and Trade Marks in, 433
Labour Legislation. See Labour
Land Drainage, Legal Aspects, Report of
Royal Commission, 784
Merchandise Marks Act and Imported Foreign Goods, 327, 402
Passengers’ Luggage, Railway Companies’
Liability for Loss, 227
Patent Law. See Patents Railway Companies and Passengers’ Luggage,
Liability for Loss, 227 River Pollution, Prevention of, Law Relating to, 680
Smoke Abatement, Provisions of New Act, 556
See also PARAGRAPH INDEX Leghorn Power Station, Ljungstr >m Turbo-Generator for, 411*, 507*, 542*. See LETTER, 654
Legislation. See Legal; Labour ; Patents

Leitz Binocular Magnifier, 392*
Length Standards, Invar, National Physical Laboratory Investigations, 273
Letters to the Editor, 87, 108, 137, 179, 200, 275, 327, 368*, 402*, 433, 456, 484, 526, 562, 590, 625, 654, 744, 819, 838. See LETTERS INDEX
Level-Luffing Cranes at Bristol Docks, 581
Lewis, E. H., on Silica Gel for Drying Blast. 853. See 432, 836*
Leyland Motors, Ltd., Motor Omnibus and Low Double-Deck Body, 658*
Libraries, Special, and Information Bureaux, Association of, Discussion on Forecasting Trade Conditions, 427; Directory of Sources of Specialised Information, 431
Lifeboats, Ships’, Nielsen Davit for. 775*
Unsinkable, for Ships, Gaskin, Tests of, 839
Life-Saving at Sea, Buoyant Lamp for, 352*
Lifting Block, All-Steel (Universal System of Machine Moulding and Machinery Co., Ltd.), 323*
Bridges. See Bridges
Jack, Hydraulic, for Motor Cars (Tangyes, Ltd.), 757*
Light Alloys. See Alloys under Metallurgy
High-Frequency Interruption by Piezo-Electric Crystal, 841
Medical Uses of, International Conference and Exhibition, 786
Railways in the British Isles, 648
Ultra-Violet, Use in Textile Analysis, 607
Lighting Engineers, Public, Institution of.
See Public Lighting Engineers
Equipment, Electric, for Vehicles, Ac.
A. Vandervell and Co., Ltd.), 352*
Gas. See Gas
International Commission on, Bellagio, 667
Public, of Brighton, 364
Street, Efficiency in, 364, 429
as an Illumination Problem, 647
in London, 647
Standard Specification for, 364, 429
and Traffic Problems, 364. 429
See also Lamps under Electric
Limnarla, Destruction of Marine Structures by, 49. See 475, 847
Lindmark, Prof. T., Tests of 10,000-14,000 kw. Ljungstrdm Turbo-Generator, 542
Liners, Locomotive Piston Valves, Centrifugal Castings for, 580*
Linley Balancing Machine for Crankshafts, 25*
Linseed, Treatment of Brackish Feed Water with, Filtrator Process, 305
Lion Aero Engine, 569*
Liquids, Dielectric Constants, Determination, 243*
Fuel. See Oil Fuel. See also Alcohol; Motor ; Paraffin ; Petrol
Gases, Piezometer Density Measurements, 39*

Liquids, Gases, Properties of, National Physical Laboratory Investigations, 39*
High-Frequency Sound Waves in, 815
Measuring Device, The Rippingille Petrometer, 487*. See 520
Viscosity of. See Viscosity
Lister, R A., Co., Ltd..' lj-h.p. Vertical
Petrol Engine. 43* ; Petrol-Driven Trolley Truck, 689 J
Literature. 52. 68, 98, 131, 178, 212, 257. 290, 463, 494. 508, 558. 574. 622,638,738, 834. See LITERATURE INDEX
Lithophaga, Destruction of Marine Structures . bv. 49. See 425. 847
Litigation. See Legal; Labour; Patents Little, Dr. A. D., on the Use of Fuel, 173. See LETTER, 200
Liverpool, Gladstone Dock. Construction of, 70*. See 115
Llversidge, Prof. A., the Late, 424
Ljungstrom Steam Turbine, Development of Design, 411
Turbine, 10,000-14,000 kw.. Leghorn Power Station, Details of Construction, 411*, 507*, 542*. See LETTER. 654
Transmission Gear for Motor Cars, 658* See LETTER. 754
Turbine Locomotive (Beyer, Peacock and Co., Ltd.), 771*. 801*
Lloyd’s Register of Shipping, Register Book, 110; Scholarships, 266; Report, 557
Statistics, Vessels under Construction, 82, 493
Vessels Lost, 275, 470. 733
Loading and Excavating Machine on Chain-Track Tractor (Denholm Contractors Machinery Co.. Ltd..), 646*
Shovel. High-Lift,on Fordson Tractor, 645*
Local Authorities. See Municipal Lock Nut, Vibro, 796*
Door. Portable Mortising Machine for Fitting. 317*
Lockheed Hydraulic Brake, Triumph Motor Car, 477*
Lockouts. See Labour
Locomobile Engineering Co., Ltd., Heavy-Oil Tractor, 77*
Locomotives, Boiler and Cylinder Efficiencies, 824*, 855*, See 817
Compound. Ratio of Expansion in, 817*
Compounding and Superheating on. Effect of Speed, 817*
Connecting Rods. Floating Bush for, 723* — Determination of Power from Steam Pressures and Temperatures, 855*
Electric. Design of Coupling Rods for, 95*
Port of Montreal Railway, 161*
Treatise on (Review). 131*
4-.6-0 Type, Four-Cylinder, King George V,
Great Western Railway. 56*. See Erratum, 87; Run on Baltimore and Ohio Railroad, 754
Garratt Type. South African Railways (J. A. Maffei A.G.), 758*. See 780
Heat Transfer to Cylinder Walls, 856*. See 817
4-6-0 Type, L.M.S Railway, Comparative Tests of Caprotti Valve Gear, 292*
Petrol (J. A' F. Howard, Ltd.), 78*
Piston Valves, Centrifugal Castings for Bushings, 580*
Road. See Motor ; Road ; Tractor — Schmidt High-Pressure, 816
Steam Turbine, the Ljungstrom (Beyer, Peacock <fe Co., Ltd.), 771*, 801*
Superheatere, Cruse-Gray. 386*
2-8-2 Type, Superheater, Kenya and
Uganda Railway (R. Stephenson Co., Ltd.). 198*
Testing Plant, Altoona, Tests of Baldwin Three-Cylinder Compound Locomotive, 816*, 823*, 855* See 102*. 133*. 814, 818
4-4-0 Type, Three-Cylinder. London and North Eastern Railway, 722*
4-10-2 Type, Three-Cylinder Compound, with Water-Tube Firebox and Mechanical Stoker (Baldwin Locomotive Works), 102*, 133* ; Experimental Results, 816*, 823*. 855*. See 814,818
4-6-0 Type, Three-Cylinder Simple, L.M.S. Railway, Performance Data. 818. See 816
United States Railways, Tendencies in Design. 823
Use of High Steam Pressures, 816, 823*. See 102*,133*
Wheel Arrangement and Liability to Derailment, 402*, 433, 456, 484
See also Railways in PARAGRAPH INDEX Locust Point Terminal, Baltimore and Ohio Railroad, Grain Handling Equipment, 637*, 701*
Log, Electric Indicating and Recording, for Ships, 391*
London Area Passenger Transport, Proposed Traffic Trust, 555
Broadcasting Station, Measurements of Signal Strength, 786
County Council Regulations, Strength of Ferro-Concrete Beams, 414. See 563*
Electricity Supply Scheme, 464*
“ London,” H.M. Cruiser, Launch of, 404*
and Home Counties Traffic Advisory Committee, Report, 555
Midland <fe Scottish Railway, Locomotive with Caprotti Valve Gear, Tests, 292*; Trade Unions and Working Efficiency, 397; Trials of Ljungstrom Turbine Locomotive, 771, 802; Data of Locomotive Performance 818. See 816
North Circular Road, Opening of Lea-Valley and Ching Brook Sections, 692 and North Eastern Railway, 4-4-0 Type, Three-Cylinder Locomotive, 722* ; Floating Busli Locomotive Connecting Rods, 723* ; Reconstruction of Beccles and St. Olaves Swing Bridges, 779
Port of, Annual Report, 365
St. Paul’s Cathedral, Staybrite Steel for Concrete Reinforcement, 134*
Street Lighting in, 647
Telephone System, Holborn Mechanical Tandem Exchange, 452* ; Hoi born Automatic Exchange, 854*
London University College, Centenary Celebrations, 19; Faculty of Engineering, Scholarships and Awards, 410 ; Prospectus, 582
College Hospital, Heating and Hot-Water Installation, 1*
Guide and University Correspondence College Calendar, 309
King’s College, Faculty of Engineering, Prospectus, 148
Loomis, A. L., Production of High-Frequency Sound Waves, 815
Lorries. See Motor; Tractor
Lose, J. E., on Large-Hearth Blast Furnaces, 10
Loughborough College. Calendar, 148; Engineering Scholarships, 582
Loveridge, Ltd., Exhibits at Cardiff Exhibition, 714
Low-Lift Axial-Flow Pumps, Comparisons with Centrifugal Pumps, 401, 535*. 506*
Temperature Carbonisation Coal. See Coal
Luard, E. S., the Late, 165
Lubricating Oil. Corrosion of Bearings bv, 526. See 552
Tests for Acidity, 526. See 552
See also Oils
Properties of Graphite, National Physical Laboratory Investigations. 24
Lubrication of Bearings, National Physical Laboratory Investigations, 24, 312*, 333. See Erratum, 553
in Colliery Practice (Review), 463
under High Loads and Temperatures, 312*, 333. See Erratum, 553
Lubricator, Mechanical (W. B. Dick <fe Co., Ltd.), 678*
Calibrator (Petters, Ltd.), 756*
Luggage, Passengers’, Railway Companies’
Liability for Loss, 227
Lumax Glass for Miners’ Lamps, 709*
Lupton, H. R., on Low-Lift Axial-Flow and Centrifugal Pumps, 535*, 566*. See 401
Lux-Rich Fire-Extinguishing System for Ships, 353*. See 360, 426

M

MACARTHUR Compressed-Concrete Piles, 232* MacLeod Nozzle Valve for Petrol Pumps, 214* *Mac. See also J/c
Macadam. See Roads and Tar Macadam
Macalpine, J. H., the Late, 22
Macdonald, Dr. J. L. A., on the Manufacture of Fibrous Cellulose, 51
Mace, C. A., on Natural Rates of Working, 542
Macgregor, Prof. D. ll.,on the Rationalisation of Industry, 331
Machine Shops. See Works Machine Tools Speeds and Output, 542
Testing. See Testing Machine and Tests (Materials).
Theory of (Review), 739

Machine Tools :

Boring, Drilling, Milling and Screw, Cutting Machine, Duplex Horizontal (W. Asquith (1920), Ltd.), 805
Facing and Recessing Machine for Motor Frames (Smith and Coventry, Ltd.), 265*
Cutting Tools, High-Speed, Investigations of Hot Hardness, 755, 759*
Research Committee, Institution of Mechanical Engineers, Report on Cutting Temperatures. 755, 759*
Drills, Portable Electric (Black <fe Decker, Ltd.), 390
Electric, Semi-Portable Supporting Arm (Black and Decker. Ltd.), 390*
Radial, 7-ft.. with Spindle Motor Drive (Raboma Maschinenfabrik). 599*
Twist, Automatic Grinding Machine for (F. Schmalz G.m.b.H.), 390*
Drilling, Boring, Milling and Screw-Cutting Machine, Duplex Horizontal (W. Asquith (1920), Ltd.), 805
Jig (Atalanta, Ltd.), 356*
Drop Forging, Use of Steam Hammer, 137
Egyptian Market for Machine Tools, 138
Facing, Boring and Recessing Machine for Motor Frames (Smith and Coventry), Ltd.), 265*
Forging, Drop, Use of Steam Hammer, 137
Gear Cutting, Influence of Motor-Car Industry, 21, 26
Grinder, Saw and Sander, Portable Electric (B.E.N. Patents, Ltd.), 318
Grinding Machine, Automatic, for Splined Shafts (F. Werner A.G.), 388
Automatic, for Twist Drills (F. Schmalz G.m.b.H.), 390
Hack-Sawing Machine, Rapidor (E. G. Herbert, Ltd.), 486
Hammer, Steam, Use for Drop Forging, 137
Hydraulic Riveter, with Universal Hanger (Rice and Co. (Leeds), Ltd.), 823
Jig, Drilling (Atalanta, Ltd.), 356*
Lathe, Hand-Operated, Verschoyle Mandrel (G. Adams), 520
Heavy Duty, Geared Headstock (F. Braun A.-G.), 389
Turret, 6.1-in. Friction-Geared (Pollock <fe Macnab (1919), Ltd.), 218. See Erratum, 328
Machine-Shop Management. See B’orA-« Management
Speeds and Outputs, 542 — Tools, British, Canadian Market, 399, 752
Design and Use, Influence of Motor-Car Industry, 21. 26
Milling, Drilling. Boring and Screw-Cutting Machine, Duplex Horizontal (W. Asquith (1920), Ltd.), 805
Machine, Horizontal. All-Geared (F. Werner A. G.), 388
Vertical, Knee and Column Type Herbert, Ltd.), 732
Mortising Machine, Chain and Chisel Type (Dominion Machinery Co., Ltd.). 317*
Portable, for Fitting Door Locks (B.E.N. Patents, Ltd.), 317*
Pneumatic Tools for Colliery Use (Reavcll Mossay Pneumatic'fool Co.. Ltd.), 675
Presses, Power, 200-ton, for Punching and Shearing (II. Pels). 486*
Presswork, Sheet Metals, Effect of Temperature, 755, 760*
Punching and Shearing Machines for Spring Bars and General Work (H. Pels), 486*
Reamer and Tap Holder (Atalanta, Ltd.), 850*
Recessing, Facing and Boring Machine for Motor Frames (Smith <fe Coventry, Ltd.), 265*
Riveter. Hydraulic, with Universal Hanger (Rice <fe Co. (Leeds), Ltd.), 823*
Sand-Papering Machine. Belt Type (Dominion Machinery Co., Ltd.). 317*
Machine, Portable Electric, with Saw and Grinding Wheel (B.E.N. Patents, Ltd.), 318
Saw’, Portable Electric, for Hand Use (B.E.N. Patents, Ltd.), 318
Sander and Grinder, Portable Electric (B.E.N. Patents, Ltd.), 318
See also Hack-Sawing Machine (above).
Screw'-Cutting, Drilling, Boring and Milling Machine, Duplex Horizontal (W. Asquith (1920), Ltd.), 805
Shearing and Punching Machines for Spring Bars and General Work (H. Pels), 486*
Steam Hammer, Use for Drop Forging, 137
Straightening Machine, Roller Type, for Rolling Mills (Deutsche Maschinen- fabrik Demag), 295*
Tap and Reamer Holder (Atalanta, Ltd.), 356*
Tools, Cutting, High-Speed Steel. Investigations of Hot Hardness, 755, 759*
Research Committee, Institution of
Mechanical Engineers, Report on Cutting Temperatures, 755, 759*
Turret Lathes. See Lathe (above).
Twist Drills, Automatic Grinding Machine for. (F. Schmalz G.m.b.H.). 390*
Valve-Seat Re-Facing Tool, Motor-Car Engines (J. Hall), 134*. See Erratum, 205
Woodworking Machinery, Mortising Machine. Chain and Chisel Type (Dominion Machinery Co., Ltd.), 317*
Mortising Machine, Portable, for Fitting Door Locks (B. E. N. Patents, Ltd.), 317
Sand-Papering Machine, Belt Type (Dominion Machinery Co., Ltd.). 317
Saw, Portable Electric, for Hand Use (B.E.N. Patents, Ltd.), 318
Saw, Sander and Grinder, Portable Electric (B.E.N. Patents, Ltd.), 318
See also PARAGRAPH INDEX Machine Work. See Machine Tools Machinery, Anti-Vibration Foundations, 259*
Chinese Market for, 29
British, Canadian Market for, 398, 752
Electrical, Forecasting Demand by Statistical Analyses, 427
Engineering and Shipping Exhibition, Olympia. 315*, 352*. 386*. See 398, 422*. 423*, 428, 486*, 839
Failures, Report of British Engine. Boiler and Electrical Insurance Co., Ltd.. 208
Market in Japan, 103
Mackenzie, A. C.,on Destructionof Timber Piles in Australian Harbours, 847
Mackenzie, J. T., on Centrifugally-Cast Pipes. 839
Maclaren, R. and Co., Ltd., Temperature-Control Apparatus, 746*
Madrid Electric Power Supply, Villalba Hydro-Electric Power Station, 101*
Maffei, J. A., A.G., Garratt-Type Locomotive, South African Railways, 758*. See 780
Magnesium Alloys. See Alloys under Metallurgy
Magnet Steels, Properties of, 688
Magnetic Bridge Permeameter, Cambridge, 281*
Indicator for Hardening Furnaces. Wild-Barfield System, 355*. ' See 498
Materials, Properties and Testing (Review), 835
Separator, Davies, for Ores, 746*
Screen Type (Rapid Magnetting Machine Co., Ltd.), 317*
Tests, Detection of Cracks in Steel, 663*
Physical Properties Iron and Steel, 141
Temper Brittleness in Nickel-Chromium Steels, 444, 595*
Work of National Physical Laboratory, 243
Magnifier, Binocular, Leitz, 392*
Mahi River Bridge, India, Replacement of Damaged Verticals, 65*
Mail Services, Aerial. See Aeronautics
Mains, Electric. See Cables under Electric
Maltsters’ Plant at Brewers’ Exhibition, 629
Management of Works. See IPorJls Management
Manchester College of Technology, Prospectus, 369
Crumpsall Institution and Booth Hall Infirmary. Pressure Boosters for Water Supply, 630*
Manchuria, Kirin-Tunghua Railway, 811
Manganese-Iron Alloys, Low Carbon. Properties of, 148*. 184*
in Steel Manufacture, Substitutes for, 252
Steel, Properties and Uses, 688
United States Supplies, 87
Mangnall-lrving Thrust-Boring Machine, 690*
Manhattan Piers and Cargo Sheds, Port of New’ York, 288*. Sec 381*
Mannesmann-Pilger Tube Mills, Pittsburgh Steel Products Co., 10
Manufacture, Scientific Methods in. See lUorZs Management See also Trade
Manures, Artificial-Chemistry, Manufacture ami Application (Review), 178
Distribution Plants for Farm Use, 373*. 401
Marconi International Marine Communication Co., Ltd., iA-kw. Transmitter, 250-watt Telephony Transmitter and Auto Alarm Device, 354
Marconi’s Wireless Telegraph Co., Ltd., Indian Beam Service, 295; Exhibits at Radio Exhibition, 430
Marietta Process, Increasing Yield of Oil Wells. 254
Marine Auxiliary Machinery, Diesel Engine and Air Compressor, M.S. ’’ Saturnia,” 455*
Machinery, Diesel Engine and Electric Generator (Ruston <fc Hornsby, Ltd.). 12*
Machinery, Electric Motors for Driving, 320*
Machinery, Exhaust-Steam Feed Heater and Superheater (Loveridge, Ltd.), 714
Machinery, M.S. “Bermuda.” 808 See 177
Boilers. See Boilers
Engineering, Lloyd’s Statistics, 83, 494. 558
Engineers, Institute of, Presidential Address,
by C'apt. Onyon, on Naval Engineers, 363 ; Motor Ships and World Trade Routes, by A. C. Hardy, 398 ; The Case against Airships, by E. F. Spanner, 428
— and Naval Architects, American Society of. See Naval Architects
Engines. See Engines ; Turbines ; Marine Propulsion
Propulsion, Boilers. High-Pressure, S.S. “ Borneo,” 236, 686. See Erratum, 276
Coal and Oil for, Attitude of Coal Industry, 588
— Diesel Engines, Doxford Opposed-Piston Type, M.S. ” Bermuda,” 805*. See 177
Diesel Engines, M.S. “ Saturnia,” 455*
Diesel Engines, Report of Lloyd’s Register, 558
Fottinger Transmitter, Use with Combined Reciprocating Engine and Exhaust- Steam Turbine, 813
-— High-Pressure Steam, Progress in Use of, 183* 8ee 236. 276, 686
Motor Ships and Changes in World Trade Routes, 398
Oil Fuel for. See Oil Fuel Propellers, Analysis of Efficiency, 113. 119*
Propeller, Hotchkiss Internal-Cone, for Shallow-Draught Vessels, 186*
Pulverised Coal for. See Pulverised Coal Reciprocating Engine with Geared Exhaust-Steam Turbine, 813
Revolution Indicator and Counter.Sperry Electrical. 319*
Speeds of Ships in Winter Weather. 113*
Steam Machinery, Perkins Early Hiuli-Pressure System, 184*
High-Pressure Reciprocating Engines, S.S. “ Borneo,” 686. See 236, 276
Turbine. Exhaust-Steam, Geared to Reciprocating Engine Shaft, 813
See also Engines; Turbines; Propellers; Ship Resistance ; and PARAGRAPH INDEX
Structures, Deterioration of. Work of Committee, 49. 475. See 847
Transport. Effect of Motor Ships on Trade Routes, 398
in European War (Review), 213
Turbines. See Turbines, Steam ; Marine Propulsion
Markets. See Trade and PARAGRAPH INDEX
Markmann. P. J., on Concrete Shrinkage and Stress Distribution in Ferro-Concrete Columns, 586. See 661
Marl, Use in Cement Manufacture, 143
Marsh, H., on Local Ownership of Transport Undertakings, 731
Marshall. Sons and Co., Ltd., Concrete Mixers. 73* ; Steam Road Roller, 75* ; Exhibits at Public Works Exhibition, 644
Maschinenbau A.G.. vorin. Starke and Hoffmann, Heat-Extraction Steam Engine, 550*
Mason’s High-Pressure Steam Stop Valve. 60
Masonry-Arch Railway Bridge over River Orbe, Switzerland, 767*
Structures, Treatise on (Review), 132
Mass Spectrograph and the Whole-Number Rule, 463
Materials, Engineering, Exhibition and Conference, Berlin, 734
Mechanical Testing of, 623*, 663*
Strength of. SeeStress and Tests (Materials) Mathematics, Theory of Probability and Physical Science, 111
Mather and Platt, Ltd.. Air-Pressure Boosters for Water Supply, 630*
Mathes, R. C., on Television, 247*. See 281
Matrix Press, Printer’s, Explosion, 597
Matter, Modern Conceptions and Classical Science, 653
Matthews, Prof. E. R., on Ferro-Concrete Conduits, Sewers and Aqueducts, 680
Matthews, R. B.. on Transport on the Farm 372*. See 401*, on Power Required for Ploughing, 795
Matthews, R. L., on Street Lighting and Traffic Problems, 364. See 429
McGovern. J., on Economy in Shipbuilding
McKaig, E. J., on Coast Erosion and Defence,
McLaren, J. and H., Ltd., Diesel-Engine Driven Cable-Ploughing Gear, 76
McMyler Interstate Company, 350-ton Crane League Island Navy Yard, 575 ; Conl- Handling Plant, Port of Baltimore, 829
Me. Sec also Mac
Mean-Spherical Candle Power, Measurement,
Measuring Device, Float Type, for Petrol. Ac., the Rippingille Petrometer. 487. See 520
Instruments. Electrical, Work of National
Physical Laboratory, 243 M Whitney Super-Micrometer, 747*
Machine, End-Gauge Comparator. Calibration by Optical Interference, 577
Measuring Machine, Rusting of Contact Surfaces, 273
Pumps, Petrol, MacLeod Quick-Action Nozzle Valve, 214*
Tapes, Invar, National Physical Laboratory, Investigations, 273
Meat, Cold Storage of, Biological Aspects, 720
Mechanical Engineering and Physical Science,
Interdependence, 545. See 561

Mechanical Engineers, Institution of :

Summer Meeting, Birmingham:
Inaugural Proceedings, 21
Effect of the Automobile Industry on the Midlands, by H. K. Thomas, 26. See 21
Visits, Excursions, Ac., 22 London Meetings, Winter Session:
Water Arbitration Prize, Regulations, 521 Presidential Address by Sir H. Fowler, on Science and Engineering, 545. See 561
Thomas Hawksley Lecture on X-Ray Analysis of Metals, by Sir W. H. Bragg, 627*. See Erratum, 016. See also 811
Modern Portland Cement Plant, by H. Gutteridge, 697*. See 671, 715
Cutting Tools Research Committee, Report on Cutting Temperatures: their Effect on Tools and on Materials Subjected to Work, by E. G. Herbert, 759*. See 755
Hospitality to Foreign Authors of Papers, 814
Annual Dinner, 814
Greetings from American Society of Mechanical Engineers, 816. See 814
Experimental Results from a Three- Cyiinder Compound Locomotive, by L. H. Fry, 823*, 855*. See 102*, 133*, 814, 816*, 818
North Western Branch :
Design of Plant for High-Temperature Service, by R. W. Bailey, 44*
Mechanical Testing of Materials by R. W. Bailey, 623*, 663*
Annual Dinner, 754
Mechanical Lubricator. See Lubricator
Stoker. See Stoker
Testing of Materials, 623*, 663*
Traction on Roads. See Roads; Motor Cars; Tractors
Mechanics Applied to Engineering (Review) 212
Skilled, and the Motor-Car Industry, 27. See 21
Medical Uses of Light, International Conference and Exhibition, 786
Medivane Centrifugal Pump, Oil-Engine Driven (Petters (Ipswich), Ltd.), 645*
Megger Tester Resistance of Earth Circuits, 323*
Meissner, Dr. K. L., on Age Hardening of
Elektron Alloys, 597*. See 385
Mekeel, IX L., on a Steel Mill Boiler Plant, 839
Melbourne, Atmospheric Circulation over, 750
Electricity Supply, Use of Brown Coal, 777
Tramways, Concrete Sleepers for, 426
Melting Points of Metals, 212
Menai Straits Suspension Bridge, Proposed
Replacement by Ferro-Concrete Arch, 8*
Menzies, Dr. A. C., on Fuse Spectra, 462
Mercedes-Benz Oil Engine, Motor Lorry. 706
” Mercer,” S.S., Pulverised-Fuel Installation, 788*. See 791*, 810, 819
Merchandise Marks Act and Imported Goods, 327, 402
Merchant Shipbuilding. See Shipbuilding
Ships. See Ships ; Steamers
Mercury-Jet Rectifier for Alternating Current, 338*, 351, 37?*
Prices. See Metal-Price Diagrams Mersey Dock3 and Harbour Board, Gladstone Dock, 70*. See 115
Merthyr Corporation, Taf Fechan Reservoir, 116*, 125*. See 144
Merz and McLellan, Voltage Regulation, Power Transmission Lines, North-East Coast, 90*
Metals, Anti-Friction. See Alloys under Metallurgy
Corrosion of. See Corrosion
Crystalline Structure of, Investigations by X-Rays, 627*, 811. See Erratum, 616
Fatigue of. See Alternating Stress under Tests (Materials)
Filament Lamps. See Lamps under Electric

Metals, Institute of :

Autumn Meeting, Derby:
Inaugural Proceedings, 335
Autumn Lecture on Non-Ferrous Metals in Modern Transport, by Dr. L. Aitchison, 335
Reports of Discussions, 336, 366, 384 Under-Cooling of Some Aluminium Alloys, by Dr. M. Gayler, 336
Constitution of Alloys of Aluminium with Silicon and Iron, by Dr. A. G. C. Gwyer and H. W. L. Phillips, 366
Equilibrium Diagram of Copper-Tin Alloys Containing from 10 to 25 Atomic per cent. Tin, by A. R. Raper, 366
Effect of Work and Annealing on the Lead- Tin Eutectic, by F. Hargreaves, 375*. See 367
Copper-Magnesium Alloys, by W. T. Cook and W. R. D. Jones, 367
Minute Shrinkage Cavities in Some Cast Alloys of Heterogeneous Structure, by W. A. Cowan, 367
Grain Growth in Compressed Metal Powders, by Dr. C. J. Smithells, W. R. Pitkin and J. W. Avery, 368
Protection of Aluminium and its Alloys against Corrosion, by H. Sutton and A. J. Sidery, 376*. See 385
Constitution and Physical Properties of Alloys of Copper Zinc, and Cadmium, by C. H. M. Jenkins, 384
Nature of the Film Produced by Anodic Oxidation of Aluminium, by H. Sutton and J. W. W. Willstrop, 442. See 385
Age Hardening Tests on Elektron Alloys, by Dr. K. L. Meissner, 597*. See 385
Equilibrium Diagram of the System Magnesium-Cadmium, by Dr. W. Hume- Rothery and S. W. Rowell, 385
Note on Cathodic Disintegration as a Method of Etching Specimens for Metallography, by Dr. C. S. Smith, 410*. See 385
Metals, Latent Heats and Melting Points, 212
Non-Ferrous, in Mechanical Engineering, 547
Ferrous, in Modern Transport, 335
Powders, Compressed, Grain Growth in, 368 Price Diagrams, 56*, 180*, 308*, 466*, 592*, 724*, 852*
Single Crystals, Cohesion Phenomena, 753
Crystals, Effect of Temperature on Work Hardening, 761*. See 755
Structure of. See Metallography; Micro-photographs
Trades Pension and Benevolent Society, Work of, 494
Metal Trades Technical, Ltd., Vacuum Concrete Mixer, 689*
Wear Testing of, 279
Welding. See HWty
See also Metallography; Metallurgy; Microphotographs
Metallography, Etching by Cathodic Disintegration, 385,410*
Grain Growth in Compressed Metal Powder, 368
Single Crystals, Metals, and Cohesion Phenomena, 753
Crystals, Metals, Effect of Temperature on Work Hardening, 761*. See 755
Value in Mechanical Engineering, 546
See also Metals;' Metallurgy; Micro-photographs
Metallurgists’ Manual (Review), 559

Metallurgy :

Aci Range, Heat Treatment of Nickel and Nickel-Chromium Steels, 61*
Alloys, Aluminium, Abrasion Tests, 666*
Protection from Corrosion, Electro-Deposition and Anodic Oxidation, 376*, 385, 442
Silicon-Iron, Constitution of, 366
Undercooling of, 336
Usein Mechanical Engineering, 547
Use in Modern Transport, 335
Use in Motor Car Industry, 27. See 21
Bearing Metals, Effect of Work and Annealing, 367, 375*
Cast, Shrinkage Cavities in, 367 — Copper, for Condenser Tubes, 335
Magnesium, Properties of, 367
Tin, Equilibrium Diagram, 366
Zinc-Cadmium, Constitution and Properties, 384
See also Brass ; Bronze ; Gunmetal, andc.
Dental. National Physical Laboratory, Investigations, 211
Iron-Carbon, Influence of Nickel and Silicon, 444
Manganese, Low Carbon, Properties of, 148*, 184*
Phosphorus, Preparation of, 211
Lead-Tin Eutectic, Effect of Work and Annealing, 367, 375*
Magnesium-Cadmium, Equilibrium Diagram, 385
Elektron, Age Hardening, 385, 597*
Silicon-Carbon-Iron, Constitution, 431
Aluminium and its Alloys (Review), 257 —
Single Crystals, Fatigue Tests on, 38*
Beryllium, Pure, Preparation of, 211
Blast Furnaces. See Furnaces Brass. See Brass
Bronze. See Bronze Cast Tron. See Cast Iron Corrosion of Metals. See Corrosion Dental Alloys, National Physical Laboratory Investigations, 211
Elektron Alloys, Age Hardening. 385, 597
Equilibrium Diagram, Copper-Tin Alloys, 366
Magnesium-Cadmium Alloys, 385
Foundry. See Foundry Furnaces, Electric. See Furnaces —
Metallurgical. See Furnaces
Heat Treatment of Alloy Steels, 688, 785
Annealing Lead-Tin Eutectic, Effect of, 367, 375*
Case-Hardening Steel for Motor-Car Work, 796
Cold-Drawn Steel Tubes, 797*, 831*
Electric Hardening, Carburising and Tempering Furnaces, 355*
Furnaces, Gibbons-Van Marie Charging Machines for, 136*
Hardening Motor-Car Gears, Comparative Tests, 498
High-Speed Tool Steel, Effect on Hot Hardness, 755, 759*
Nickel-Chromium Steels, Investigations of Temper Brittleness, 444, 595*
Nickel and Nickel-Chromium Steels, the Aci Range, 61*
Steel, Magnetic Tests, 141
Steel, Solution of Cementite in Alpha Iron, 446, 472*
Iron Manufacture. See Furnaces, Blast — Ore. See Ore — Pure, Preparation of, 211
Ironworks, Scottish, an Early, 368
Metals, Non-Ferrous, in Modern Transport, 335
Ferrous,. Use in Mechanical Engineering, 547
Single Crystals, and Cohesion Phenomena, 753
Crystals, Effect of Temperature on Work Hardening, 761*. See 755
Tests of. See Tests (Materials)
Metallurgical Department, National Physical Laboratory, Work of, 147, 211
and Mining Industries of Canada, 556. See 691
Metallurgists’ Manual (Review), 559
Metallurgy, Value in Mechanical Engineering, 545
Pulverised Coal, Use in Metallurgy. See Pulverised Coal
Pyrometers. See Pyrometers
Refractories. See Refractory Materials; Firebricks
Rolling Mills. See Rolling Mills
Silicon-Aluminium-Iron Alloys, Constitution of, 366
Slag, Blast-Furnace, Disintegration Test for, 280
Steels, Alloy, Manufacture, Properties and Uses, 688, 785
Furnaces. See Furnaces
Ingots, Corner Segregation in, 624*
Testing for Soundness, 624*
Manufacture and Mechanical Engineering Progress, 545
Open-Hearth Plants, Refractories for, 450
Substitutes for Manganese, 252
Melting, High Frequency Induction Furnace for, 444, 758
Nickel and Nickel-Chromium, Heat Treatment of, the Acj Range, 61*
Solution of Cementite in Alpha Iron, 446, 472*
Special, Use in Motor-Car Industry, 26. See 21
Tungsten Filaments, Electric Lamps, Grain Growth and Size, 593. See 350
Powder, Grain Growth in, 368
Welding. See Welding
See also Iron and Steel Institute; Metals, Institute of; Metallography; Microphotographs ; Foundry; and PARAGRAPH INDEX
Metallurgical Department, National Physical Laboratory, Work of, 147, 211
and Mining Engineers, American Institute of. See Mining
Institutions, Empire Council of, Dinner, 691
Metcalf, J. S., and Co., Grain Elevator at Baltimore, 701*
Meteorological Society, Royal:
Report on Phenological Observations, by J. E. Clark, I. D. Margary, and R Marshall, 59
Past Climates, by Dr. G. C. Simpson, 59. See 541
Influence of Forests on Rainfall and Run- Off, by Dr. C. E. P. Brooks, 750
Secondary Depression on the Night of January 28-29, 1927, by C. K. M. Douglas, 750
Circulation of Atmosphere over Melbourne, by Dr. E. Kidson, 750
Meteorology, Climates of the Past, 59, 541
Secondary Depression, January 28-29,
1927, Investigations, 750 Meters, Air Flow, Tests of Commercial Types, 52
Float Type, for Petrol, andc., Rippingille Petrometer, 487*. See 520
Flow, Differential Recording Gear for (G. Kent, Ltd.), 713*
Steam Flow, Use in Works Practice, 688
Water, Combined Vee-Notch and Rectangular Weirs (Lea Recorder Co., Ltd.), 712*
Propeller Type, Walchensee Hydro-Electric Power Plant, 229*
Venturi Type, Variation of Discharge Coefficient, 7*. See LETTERS, 838
Watt-Hour, Tests at National Physical Laboratory, 243
Methane, Ignition by Hot Wires, 505
Metrology Department, National Physical Laboratory, Work of, 273 ; Calibration of End-Gauge Comparator, 577*
Metropolitan Traffic Trust, Proposed, 555
Metropolitan-Vickers Electrical Co., Ltd., Voltage Regulation, Power Transmission Lines, North-East Coast, 90 ; Two-Stage Air Ejector, 323 ; Vertical-Shaft Electric Motor, 323; Electric Winch for Ships, 324; Forecasting Demand for Electrical Machinery, 427 See also London
Michigan, Lake, Sewage Pollution and Water Supply, 492
Micrometer, Super (Pratt and Whitney Co.), 747*
Microphotographs, Aluminium Single Crystal, Slip Lines on, 39*
Cast Iron, Centrifugal-Casting Processes, 580*
Iron, Fatigue Tests, 827*
Copper-Silver Alloy, Etched by Cathodic Disintegration, 410*. See 385
Iron-Carbon Alloys, Low Carbon, 185*
Nickel Steel, Heat Treatment of, 63*
Steel Castings, Carburisation of Outer Skin, 624*
Detection of Cracks, 664*
Effect of Abrasion, 666*
Forging, Tests for Soundness, 624*
Gear Teeth, Work Hardening bv Abrasion, 471*. See 420*
Solution of Cementite in Alpha Iron, 473*
Superhardening by Cloudburst Process, 420*. See 471*
Tubes, Effect of Heat Treatment, 832*
Microscope, Low Power, Lcitz Binocular Magnifler, 392*
Microstructure of Metals. See Metallography ;
Microphotogra phs Middle Eastern Airways, 740*
Miles, Dr. G. H., on Times and Motion Study
in Industrial Psychology, 542
Military Service, Motor Vehicles for, 652
Mill, Pulverising, Rema, 265*
Rolling. See Rolling Mills
Tube, Kennedy, Coal Pulverising, 792* See 788
Millers Machinery Co., Ltd., Petrol-Driven Tipping Truck, 689*
Millikan, Professor R. A., on Spectra Emitted by Atoms, 416*
Milling Machines and Cutters. See Machine Tools and Mixing Plant, Paint (S. Smith and Blyth, Ltd.), 499*
Mineral Deposits, Unstratifled, Working of (Review), 638
Oils. See Oils
Wealth of Canada, 556. See 691 of Roumania, 562
South Africa, 144
See also Coal; Mining; Ores; and PARAGRAPH INDEX Miners’ Lamps. See Safety Lamps
Mines, Coal. See Collieries
Haulage, Pickrose Compressed-Air Engine for, 710
Measurement of Air Flow in, 536
United States Bureau of. See United States
Winding. See H’MtW
See also Coal; Collieries ; Mining : Ores ;
Winding; and PARAGRAPH INDEX Mining, Davies Magnetic Separator for Ores, 746*
Mining Engineering Co., Ltd., Exhibits at Cardiff Exhibition, 711*
Handbook on Ore Dressing (Review). 739 and Metallurgical Engineers, American Institute of, Discussion on Petroleum Development, 254 ; Handling Congealing Oils, by C. E. Reistle, 700
Industries of Canada, 556. See 691
Institutions, Empire Council of, Dinner, 691
Working of Unstratifled Deposits (Review), 638 See also PARAGRAPH INDEX
Ministry of Transport . See Transport Mitchell Conveyor and Transporter Co., Coal-Handling ‘ Plant, Ferrybridge Power Station, 527*
Mixed-Pressure Turbines. See Turbines
Mixing Machines, Concrete. See Concrete and Drying Plant, Tar-Macadam. See Tar-Macadam
Machines for Paints, Printing Inks, andc., 298*, 499*
Plant, Asphalt. Sec Asphalt
M. L. Magneto Syndicate, Ltd., Pneumatic-Electric Lamp for Mines, 709* See Erratum, 781
Mobbs, S. W., on Coast Erosion, 732
Model Engineer Exhibition, 404
Experiments, Screw Propellers, Analysis of Efficiency, 113, 119*
See Aeronautics ; Ship Models ; Ship, Resistance
Hydraulic, of Electric Discharge, 314*. 334
Moisture Relations of Colloidal Fibres. 607
Testing Apparatus for Grain, 154*
Molecules, Polar Properties of, 463
Moler, Use in Cement Manufacture, 142
Mollier Chart for Ammonia, 87
Mollison, J., on the Use of High-Pressure Steam, 183*
Molybdenum Nickel-Chromium Steel. Properties and Uses, 785
Monasix Light Motor Car (Renault, Ltd.), 515
Mond, Sir A., on Fuel Problems and Research, 686
Monoplane. See Aeronautics
Montreal, Port of, 157*
Moore, H., Auxiliary Handle for Files. 308*
Moorings, Deep Sea, Anchor Gear and Calculations for, 224* See LETTERS, 275. 654
Mortising Machines. See Machine Tools
Morton, E. R., on Television, 248*. See 241
Motion Study and Industrial Psychology, 542
Motor Boat, with Hotchkiss Internal-Cone Propeller, 186*
Cars, British, Canadian Market for, 399 26-60 h.p. Eight-Cylinder Wolseley. 511*
Chassis, Tubular Frame, Austro-Daimler 762*

Motor Car Details:

Back Axle, Albion Six-Wheel Lorry, 696*
Associated Daimler Omnibus, 658*
Harrier Six-Wheel Omnibus, 704*
Scammell Six-Wheel Lorry, 695*
Thornycroft Motor Coach, 703*
7-9-h.p. Triumph Car, 477*
Walker Brothers Motor Coach. 703*
Brakes, Dewandre Vacuum Servo Gear, Albion Six-Wheel Lorry, 696*
Front and Back Wheel, 20-60 h.p. Vauxhall Car, 514*
Wheel, Perrot Servo Svstem, Talbot Car, 478*
Lockheed Hydraulic System, Triumph Car, 477*
Chassis, Tubular Frame (Austro-Daimler (England), Ltd.), 762*
Clutch, Free Wheel, Vulcan Car, 515*
Housing, Thornycroft Motor Coach, 703*
Inverted - Cone Type, Scammell Six- Wheel Lorry, 695*
Single-Plate, Associated Daimler Omnibus, 657*
Plate, 14-40 h.p. Bean Car. 480*
Differential Gear, Scammell Six-Wheel Lorry, 696*
Engines. See Engines, Petrol, Motor-Car
Front Axle, Associated Daimler Omnibus, 658*
Scammell Six-Wheel Lorry, 696*
Gear Box, Associated Daimler Omnibus, 657*
Scammell Six-Wheel Lorry, 695*
Thornycroft Motor Coach, 703*
Transmission, Spontan Single-Lever Control, 658*. See LETTER, 754
Magneto, Pump and Dynamo Drive, 15-h.p. Armstrong Siddeley Car, 514*
Springing, Scammell Six-Wheel Lorry, 696*
Steering Gear, Associated Daimler Omnibus, 657*

Motor Car Details— continued.

Steering Damper, (Herbert Engineering Co. (1924), Ltd.), 517*
Supercharger, Cozette, Lea and Francis Car, 517*
Motor-Car Engineers. See Automobile Engineer*
Engines. See Engines, Petrol
Exhibition, Olympia, 470*, 511*
14-40 h.p. Four-Cylinder Bean, 480*
7’9-h.p. Four-Cylinder Triumph, 477*
Fuels. See Motor Fuels
Gear-Boxes. See Motor-Cur Details
Gear Wheels, Comparative Tests of
Hardening, 498
Hydraulic Jack for, (Tangyes, Ltd.), 757*
Industry, British, Development of Export
Trade, 476
Industry, Effect on Engineering Practice
in Midlands, 21, 26
Industry. Position and Prospects, 524
12-li.p. Lea and Francis, with Cozettei
Supercharger, 517*
Light Three-Wheeled (Royal Ruby Cycle Co.), 589
Manufacturers and Traders, Society of, Position of Motor-Car Industry, 524
Oil Purifier for, Renault Centrifugal, 516*
15-h.p. Six-Cylinder Armstrong-Siddeley, 514*
14-45 h.p. Six-Cylinder Clement Talbot, Details of, 478*
12-45 h.p. Six-Cylinder Monasix (Renault, Ltd.), 515
18-50 h.p., Six-Cylinder Star, 479*
20-60 h.p. Six-Cylinder Vauxhall, 513* '
Spontan Single-Lever Control Transmission Gear, 658*. See LETTER. 754
Steering Damper for (Herbert Engineering Co. (1924), Ltd.), 517*
Taxation, Statistics, 139 ; Administration of Road Fund, 586
Traffic, Motor Ferry Boat for Southern Railway, 107*
Trend of Design, 476
Use of Light Alloys, 336
Vulcan Free-Wheel Clutch for. 515*
Work. Case-Hardening Steel for, 796
See also Motor Cycles; and PARAGRAPH INDEX
Coach Chassis, with Six-Cylinder Engine, (J. I. Thornycroft and Co., Ltd.), 703*;
(Walker Bros. (Wigan), Ltd.), 703*
Compressed Air, Spiro, Coal-Cutting Machines, 711*
Air, for Colliery Use, Pickrose, 710*
Cycle Engines. See Engines, Petrol, MotorCycle
Exhibition, Olympia, 588
Electric, Balancing Machine for Small Armatures, 202
Boring. Facing aiid Recessing Machine for Frames, 265
and Double-Reduction Gear (Langham Engineering Co.), 714
Efficiency of. Standard Rules, 843
Face-Plate Starters for, Standard Specifications, 5
Flame-Proof Drum Type Controller for West <fe Co., Ltd.), 675
Gate-End Starter for Colliery Use (Switchgear and Cowans, Ltd.). 676
and Generator, for Arc Welding (Quasi Arc Co.. Ltd.), 323
High-Frequency Alternating-Current, for Portable Tools (Black and Decker, Ltd.), 390
for Marine Auxiliaries, (Laurence, Scott and Co., Ltd.), 320*
Polyphase Induction (Review), 257
Synchronising System, Television Apparatus, 248*. See 281*
Three-Phase. Regulation of (Review). 99
Vertical Shaft (Metropolitan – Vickers Electrical Co., Ltd.). 323*
Winding. Control Gear for (A. West and Co., Ltd.), 675*
Ferry Boat, “ Fishbourne,” Southern Railway, 107*
Fuels, Anti-Detonators for, Recent Investigations, 256
Composition of Cracked Distillates, 727
Cracked Petrol, Effect of Corona Discharge, 261
Power Alcohol, Australian Investigations Report, 706
Production by Low-Temperature Carbonisation, 720
Generators, Anti-Vibration Foundations,259*
Battery Charging. Holborn Telephone Exchange, 855*
Internal-Combustion. See Aeronautics;
Engines; Motor Cars; Motor Boats ;
Tractors
Launches. See Motor Boats
Lorry with Detachable Engine and Gear Box (Lacre Motor Car Co., Ltd.), 726
for House-Refuse Collection (Shelvoke and Drewry, Ltd.), 725*
with Mercedes-Benz Oil Engine, 706
with Producer-Gas Installation (Automobiles M. Berliet), 706
Six-Wheel (Scammell Lorries, Ltd.), 694*
Six-Wheel, War Office Subsidy Type, (Vulcan Motor and Engineering Co. (1906),
Ltd.), 694* ; (Albion Motor Car Co., Ltd.), 696*
Springing of. National Physical Laboratory Investigations, 24
See also Motor Wagons; Tractors
Marine. See Engines ; Marine Propulsion ;
Motor Ships
Oil Tanker “ Pana,” for New Zealand Oil Trade, 406*
Omnibus, Four-Wheel, with Six-Cylinder Engine (Leyland Motors, Ltd.), 658*
Four-Wheel, with Sleeve-Valve Engine (Associated Daimler Co., Ltd.), 657*
Low Double-Deck Body for (Leyland Motors, Ltd.), 658*
Six-Wheel, for Paris, 653
Six-Wheel Petrol-Electric Transmission
System (Tilling-Stevens Motors, Ltd.), 656*

Motor Omnibus, Six-Wheel, with Sleeve-Valve Engine (Karrier Motors, Ltd.), 704*
and Tramways, Need for Co-Operation, 731
Paraffin. See Engines, Oil Petrol. See Aeronautics; Engines, Petrol;
Motor Boats : Motor Cars ; Tractors
Plough. See Tractors
Road Rollers. See Hoad Boilers
Sweeping Mach'ne (Lacre Motor Car Co., Ltd.), 726
Ships, Attitude of Coal Industry to, 588
“ Bermuda,'’ Passenger Liner, Launch, 177 ; Propelling Machinery, 805*
Built, Report of Lloyd’s Register, 558
and Changes in World Trade Routes, 398
under Construction, Lloyd’s Statistics, 83, 494
Saturnin.” Italian-South American Passenger Service, 455*
See also Marine Propulsion Spirit. See Motor Fuel Transport Congress, London, 652
and Railways, Competition between, 579, 652. See 586
and Road Construction, 652 Tractors. See Tractors Vehicles for Army Transport, 652
Brakes, Dewandre Vacuum Servo Gear, 696*
Carbon Monoxide in, Exhaust from, 603 — Commercial, Exhibition, Olympia, 655*, 694*. 703*
Design for Bad Roads and Cross-Country Service, 652
Regulations for Dimensions and Weights, 242
Use of Gaseous Fuels, 653
Wagon with Bagnulo Heavy-Oil Engine, Trials, 561
for Gully Emptying and Street Cleansing (J. Fowler and Co. (Leeds), Ltd.), 534*. 645*
Steam, with Asphalt Mixer (Fodens, Ltd.) 642*
Steam, Explosion from Fusible Plug, 275 —
Steam (R. Garrett Sons, Ltd.), 76 —
Steam. Undertype (Fodens, Ltd.), 41*
See also Motor Lorries ; Tractors
Mott, Hay <fe Anderson. Reconstruction of
Newport Bridge, 34*. See Addendum, 200
Moulds. Rubber, Pyrometers for Surface-
Temperature Measurement, 319*. See Erratum, 401
Sand, Centrifugal Casting of Iron Pipes in, 839
Mountain, W. C., on Independent Power Plants, 524. See LETTERS 562, 591, 625
Mountains, Tunnelling under, Trfedtise on (Review), 290
Mower. Lawn, Electrically-Driven, 44
Multiple-Batch Concrete-Mixing Machine (Concrete Equipment, Ltd.), 726
Multitubular BoileTs. See Boilers Municipal Tramways. See Tramways Work.
Motor Wagons for Gully Emptying and Street Cleaning. 534*. 643*
Muntz, Sir G. A., the Late, 560*
Murgatroyd, F., on the Strength of Metal-Filament Lamps, 593*. Sen 350
Murray, E. T. R., the Late. 818
Murray, J. W.. on Education and Industry, 606
Museum, Home Office, Safety Appliances, 752

N

NAG HAMMADI Barrage, River Nile, 275
Napier, D., and Son, Ltd., Lion Aero Engine, 569
National Association of Supervising Electrical Engineers. Sec Super nisi ng
Physical Laboratory, Report on Work of, 23*, 38*, 85*, 146*. 211*, 242*, 273* ; Tests of Steel at High Temperatures, 181*, 400, 409, 837* ; Report on Mean-Spherical Candle Power, 262* ; Investigation of Lubrication under High Loads and Temperatures, 312. See 333, 553 ; Metrology Department, Calibration of End-Gauge Comparator, 577* ; Investigations of Action of Sunlight on Cotton, 607
Radio Exhibition, 430
Safety First Association and tlie Reduction of Street Accidents, 732

Naval Architects, Institution of :

Summer Meeting, Cambridge:
Inaugural Proceedings, 8'3
Reports of Discussions, 84, 113*, 145
Ships from Pepys’ Manuscripts, by G. S. L. Clowes, 89. See 84
Propulsive Efficiency of Rowing, by F. H. Alexander, 84
Pulverised Fuel for Marine Purposes, by Engr.-Capt. J. C. Brand, 91*. 121*, 152*. See 85. See LETTER, 108
Analysis of Screw-Propeller Efficiency, by G. S. Baker, 119*. See 113
Average Sea Speeds of Ships under Winter Weather Conditions, by J. L. Kent, 113*
Deformations and Stress Distribution in Rigid Airships, by Prof. W. Hov- gaard, 145
Naval Architecture Scholarships, 714
Naval Architects, Japanese Institution of, Japanese Admiralty Experimental Tank, by Admiral Hiraga, 801
and Marine Engineers, Society of, Pulverised Coal as Applied to Scotch Marine Boilers, by C. E. Jefferson and Commander J. S. Evans, 791*. See 788*, 810, 819; Piilverised-Coal Tests of a Marine Water- Tube Boiler, by T. B. Stillman, 820*. See 788
Architecture, Early History, Ships from Pepys’ Manuscripts, 84, 89
Scholarships, Institution of Naval Architects. 714
Armaments, Limitation of, Geneva Conference. See under Warships
Naval Brass Bars and Sections, Standard Specifications, 346
Chaplain, 17th Century, Diary of Henry Teonge (Review), 52
Engineers, Effects of Deprivation of Military Status, 363
and Shipping Annual, Brassey’s (Review), 834
See also Warships
Navigation, Brewerton Course Recorder, 319*
Radio Direction Finding, Report on, 587
Rudder-Angle Recorder for Ships, 392*
Submerged Electric Log, 391*
Wireless Distress Signals, Auto-Alarm Apparatus, 321*, 355*, 630
Navvy, Steam. Sec Excavating Machine Navy, Brazilian, Scout Cruisers “ Bahia ” and “ Rio Grande do Sul,” Results with New Machinery, 327*
Chilian, Destroyers for, 236
British. See H.M. under Warships
Japanese, Geneva Conference, Analysis of Proposals, 18, 112
United States. See United States under Warships
Yard, League Island, United States Navy, 350-ton Crane, 575*
Philadelphia, Tests of Pulverised Fuel for Marine Boilers, 791*. See 788*, 810, 819
See also Naval; Warships; and PARAGRAPH INDEX
Naylor, T. M., on the Whirling Speeds of Shafts, 474*. See 415. See LETTERS, 484, 526
Nederlandsche Stoomvaart Maatschappij, S.S. “ Borneo,” High-Pressure Propelling Machinery, 236, 686. See Erratum, 276
Nelson, E. L., on Television Apparatus, 282*. See, 247*
“ Nelson,” H.M. Battleship, Design of, 99*. See LETTER, 368*
Netherlands, Economic, Financial and Industrial Conditions in, Report, 271
New York Central Railroad, Port Morris Power Station, Automatic Boiler Control, 385
Holland Tunnel under Hudson River, 601*, 667*, 735*
Port of, 286*, 381* Zealand Oil Trade, Motor Tanker “ Paua ” for. 406*
Railways, Statistics, 441
Newcastle-on-Tyne Electric Supply Co., Voltage Regulation on Transmission Lines, 90
Newport, Road Bridge over River Usk, 34*. See Addendum, 200
Royal Agricultural Society Show,40*, 73
Newton Bros., Motor-Generators, Holborn Telephone Exchange, 855*
Newton, Chambers <fc Co., Ltd., Centrifugal Castings, 386*, 580*
Niagara, Queenston Hydro-Electric Plant, Development, 4, 290
Nichols, H. J., on Repairs to River Mahi Bridge, 65*
Nickel-Chromium Steels, Investigations of Temper Brittleness, 444, 595*. See 61*, 785
Steel, Creep Tests, 44*
Deposits of Canada, 557. See 691 and Nickel-Chromium Steels, Heat Treatment of, the Aci Range, 61* ; Properties and Uses, 785. See 444, 595 *and Silicon, Influence on Cast Iron, 444
Steel, Embrittling Effect of Stresses at High Temperatures, 664*
Resistance to Corrosion, Sea Water, 475
Tanks for Breweries, 630
Nielsen Davit for Ships’ Boats, 775
Nightingale, S. J., on Forecasting Sales by Statistical Analyses, 427
Nile, Blue, Lake Tsana Regulation Scheme, 620
River, Nag Hammadi Barrage, 275
Nitric Acid, Production of (Review), 98
Nitrogen Industry, Atmospheric (Review), 98
Noetzli, F. A., Investigations of Experimental Dam, Stevenson Creek, 191*
Non-Clog Centrifugal Pump, 234*. See LETTERS, 625
Conducting Coverings. See Heat Insulation
Ferrous Metals. See Metals ; Metallurgy Nordensen, T., on Measurement of Steam Flow, 688
Norris, Henty and Gardners, Ltd., Marine Oil Engine. 316*
North Atlantic, Western Ports of, 157*, 286*, 381*, 495*, 539*, 575*, 635*, 701*. 829*
Circular Road, London, Opening of Lea-Valley and Ching Brook Sections, 692
East Coast Institution of Engineers and Shipbuilders, Economy in Shipbuilding:
Some Lines of Progress, by J. McGovern, 245 ; Presidential Address by M. S. Gibb, on Oil Fuel and the Coal Industry, 588 ; Super-Pressure Propelling Machinery of S.S. “ Borneo,” by S. G. Visker, 686; Report of Council, 790
Coast, Voltage Regulation on Power Transmission Lines, 90*
Notes from. 15, 46, 79, 109, 139, 171, 205, 237, 267, 299, 329, 361, 395, 424, 457, 489, 521, 552, 583, 616, 649, 683, 715, 748, 781, 811, 843. See PARAGRAPH INDEX
Wales, Coety Dam, Dolgarrog, Reconstruction of, 177*
Nortons (Tividale), Ltd., Coal Breaker and Colliery-Tub Tippler, 673*
Norwich, Colman’s Works, Pneumatic Coal-Handling Plant, 453*
Notched-Bar Tests. See Tests (Materials) Notes on New Books. See Books and LITERATURE INDEX
See Cleveland; North; South-West; South Yorkshire; Labour. See also PARAGRAPH INDEX
Nozzles, Air Measuring, Determination of Discharge Coefficients, 5*. See LETTERS, 838 and Orifices, Measurement of Air Flow,
Tests of Commercial Types, 52 •— Steam Turbine, for High Pressures, 763*
Valve, Quick-Action, for Petrol Pumps, MacLeod, 214*
Nuts, Sizes of, National Physical Laboratory Investigations, 24
Lock, Vibro, 796*
Nuvako Pneumatic-Conveying System, 741*

OARS, Propulsive Efficiency of Rowing, 84
Obatn, J., on a High-Speed Engine Indicator, 253*
Obituary : (Moved to separate index)
Observatory, Greenwich. Determination of Stellar Temperatures, 509
Office, Workshop, Fire at Woolwich Arsenal, 52
Ogilvy and Co., Binocular Magnifier, 392
Oil Bath for Thermometer Testing, 211
Burning Apparatus, Parwinac, for Domestic Heating, 550. See LETTERS, 137, 275, 328, 402, 456. 484, 526. 590
Contamination of Sea Water, Hele-Shaw Beale Separator, 815
Cracking, Use of Inert Materials in, Bowie-Gavin Process, 148
Crude, Properties at Different Depths, 218
Diamond Drilling for, 246
Engines. See Engines, Oil; Motor Cars ; Motor Boats: Tractors
Fuel Burning System (J. S. White and Co., Ltd.). 358*
watt* Coke for Domestic Heating, 137,
275, 328, 402, 456, 484, 526, 590. See 550*
for Ship Propulsion, Attitude of Coal Industry, 588
High-Viscosity, Transmission through Pipe Lines, 254
Insulating. Standard Specifications, 16
Lamp, Automatic Vacuum. 167*
Lubricating, Corrosion of Bearings by, 526. See 552
Tests for Acidity, 526. See 552
Mineral, Burning in Wick-Fed Lamps, 21
Motors. See Engines, Oil; Motor Cars ;
Motor Boats ; Tractors
Pipe Lines, Corrosion of, 254
Production from Coal, Bergius Process, 194, 719
Purifier, Centrifugal, for Motor-Car Engines, Renault, 516*
Switches. See Switchgear
Tanker, “Paua,” Motor-Driven, for New-Zealand Oil Trade, 406*
Tractors. See Tractors
Venezuelan, Composition of, 218
Wells, Increasing Yield by Gas Pressure, 254
Oil Flow Control and Gas-Oil Ratio, 858
Removal of Solid Paraffin from, 91. See 700
See also Lubrication ; Petroleum
Oilfield, Salt Creek, Oil Flow Control and Gas- Oil Ratio, 858
Spindlctop, Texas, Composition of Crude Oil, 218
Oldham and Son, Ltd., Miners’ Lamps, 708
Olympia. See Exhibition
Omnibus, Motor. See Motor Omnibus Ontario, Hydro-Electric Power in, 4, 290
Onyon, Capt., on Naval Engineers, 363
Open-Hearth Furnace. See Furnace
Opening Bridges. See Bridges
Optical Interference, Calibration of End-Gauge Comparator by, 577*
Pyrometers. Sec Pyrometers
Society, Design of Reflecting Prisms, by Capt. T. Y. Baker, 841 ; High-Frequency Interruption of Light by Piezo-Electric Crystal, by S. J. Underhill, 841
Optics, Reflecting Prisms, Design of, 841
Work of Fresnel, 68 of National Physical Laboratory, 242
Orhe, River, Switzerland, Reconstruction of Le Day Viaduct, 767
Ore Dressing, Handbook on (Review), 739
Iron, Occurrence in South Africa, 144
Magnetic Separator for, Davies, 746
Oxidised, Flotation of, 200
Organic Chemistry. See Chemistry
Orifices and Nozzles, Measurement of Air Flow, Tests of Commercial Types, 52
Oscillations, Electric. See Electric; Valves, Thermionic; Telegraphy, Wireless ; Telephony Wireless
Oscillators, Piezo-Electric, Light Interruption by. 841
Electric, Production of High-Frequency Sound Waves in Liquids, 815
Electric, Work of National Physical Laboratory, 243
Osmond-Smith, F. H.. on the Development of Agriculture, 647
Ovens, Bakers’, Steam-Heated, Failures of, 209
Gas and Electric, Temperature-Control Apparatus (R. Maclaren and Co.,Ltd.), 746
Overhead Cranes. See Cranes
Lines Association, Proposed, 525
Construction, Sydney Metropolitan Railways, 195*
Electric Power Transmission, Electricity
Commissioners’ Conference. 755
Power Transmission. British National Scheme, Towers and Network, 532*
Power Transmission, Electricity Supply in Rural Areas, 304
Power Transmission, Proposed Regulations, 744
Runways for Farm Use, 372*. See 401
Overseas ‘ Trade Department, Report on Egyptian Market for Machine Tools, 138 ; Report on Commercial, Industrial and Economic Situation in Italy, 175 ; Agricultural Implements In Syria, 244 ; Report on Economic, Financial and Industrial Conditions in the Netherlands, 271; Export Credits Guarantee Scheme, 459 ; Report on Industrial and Economic Situation in Czechoslovakia, 589
Oxidation, Anodic, Protection of Aluminium and Alloys. 376*, 385, 442
Oxidised Ores, Flotation of, 200
Oxy-Acetylene Welding. See Welding

P

PACKING Gland, Labyrinth Type, Ljungstrom Steam Turbine, 507*
Page, A., on Electricity Supply, 531*. See 523
Painleve, P., on Modern Conceptions of Matter and Classical Science, 653
Paints, Mixing Machines for, (J. Foster and Sons), 298*
Mixing and Milling Plant (S. Smith and Blyth, Ltd.), 499*
Protective, Iron and Steel in Sea Water, 475 and Varnishes, Standard Specifications, 64, 732, 804
Palestine, Sand-Dune Reclamation in, 771
Panama Canal, Inception, Construction and Capacity, 250 and Trade Routes for Motor Ships, 398 Traffic Statistics, 267
Panel-Heating System, University College Hospital, 3*
Pans, Steam-Jacketed, Explosions, 597
Paper Pulp, Manufacture from Bamboo, 574
Paraffin Engines. See Engines, Oil Tractors. See Tractors
Wax, Removal from Petroleum Wells, and Pipe Lines, 91, 700
Paris High-Tension Conference, Scope of, 460
Six-Wheel Motor Omnibuses, 653
Parker, F., Ltd., Concrete Mixer, 644*
Gas Producer on Agricultural Tractor, 54*
Parker, J. W., on Railway Rates, 276
Parker, R. G., on a Weighmeter for Washing Machines, 787
Parker, Winder and Achurch, Ltd., Parwinac Oil- Burning Apparatus, 550*. See LETTERS, 137, 275, 328, 402, 456, 484, 526, 590
Parr, Prof. S. W., on Embrittlement of Boiler Plates, 216*
Parsons Trench-Excavating Machine, 725*
Turbines. See Turbines, Steam ; Marine Propulsion
Parwinac Oil-Burning Apparatus for Domestic Heating, 550*. See LETTERS, 137, 275, 328, 402, 456, 484, 526, 590
Passengers’ Luggage, Railway Companies’ Liability for Loss, 227 Steamers See Steamers
Transport, London Area, Proposed Traffic
Trust, 555
Patching Outfit. Bitumen Surfaced Roads, 643
Patent Office, Appeals from Comptrollers Decisions, 364 and Scientific and Economic Progress, 301,
309 333
Record, 32*, 155*, 189*, 221*, 284*, 506*, 600*, 766*, 828*. See PATENT RECORD INDEX and Trade Marks in Irish Free State, 433
See also Trade Marks
Patentees, Institute of, Exhibition of Inventions, 519
Paterson Engineering Co., Ltd., Filtration Plant, Taf Fechan Reservoir, 128*. See 116*, 144
“ Paua,” Motor Tanker, for New Zealand Oil Trade, 406*
Pauling, George, Autobiography (Review), 69
Pavesi System, Agricultural Tractor, 705
Paving, Granite Sett, Holland Tunnel, New York.738*
Payment of Labour. See Labour
Peabody Engineering Corporation, Pulverised-Fuel Burner, S.S. ” Mercer,” 788*, 791*. See 810, 819
Pearsons, R. S., on the Utilisation of Soft Woods, 573
Peat Tar, Use in Diesel Engines, 194
Pels, H., Punching and Shearing Machines, 486*
Pelton Wheels, Governing Gear (P. Pitman), 106*
18,000-h.p., Walchensee Hydro-Electric Power Plant, 449*
Pendulum Hardness Tests, Hardened Steel, 420*, 470*. See 445 Tester, Investigations of Hot Hardness and Work Hardening, 759*. See 755
Pennsylvania Railroad, Altoona Locomotive
Testing Plant, Tests of Baldwin Three- Cylinder Compound Locomotive, 816*, 823*, 855*. See 102*, 133*, 814, 818
Pension and Benevolent Society, Metal Trades, Work of, 494
Pepys’ Manuscripts, Ships from, 84, 89
Perkins High-Pressure Marine Engines and Boilers. 184*
Permanent-Way Construction, Sydney Metropolitan Railways, 195* Standardisation of. 579. See 585
Permeability, Gas, of Refractory Bricks, 10
Permeameter, Magnetic Bridge, Cambridge, 281*
Perrot Servo System, Motor-Car Brakes, 478
Persia, Abadan Power Station, Filtrator Process for Feed-Water Treatment, 305
Petrol Carburettors. See Carburettors Cracked, Composition of, 727
Effect of Corona Discharge, 261
Electric Omnibus (Tilling-Stevens Motors, Ltd.), 656*
Measuring Device, Float Type, Rippingille
Petrometer, 487*. See 520
Motors. See Aeronautics ; Engines, Petrol;
Motor-Cars ; Motor Boats ; Tractors
Pumps, Quick-Action, Nozzle Valve for, MacLeod, 214*
Tractors. See Tractors.
Petroleum, Cracked Distillates, Composition of, 727
Cracking, Use of Tnert Materials in, Bowie-Gavin Process, 148
Crude, Properties at Different Depths, 218
Diamond Drilling for, 246
Effect of Corona Discharge on, 261
High-Viscosity, Transmission through Pipe Lines, 254
Pipe Lines, Corrosion of, 254
Production, United States, 244, 254, 421
Technologists, Institution of, Burning of Mineral Oil in Wick-Fed Lamps, by J. Kewley and J. S. Jackson, 21 ; Tests for Acidity of Lubricating Oils, by H. J. Young, 526. See 552; Composition of Cracked Distillates, by Prof. J. S. S. Brame and T. G. Hunter, 727 ; Detonation in Petrol Engines, by H. R. Ricardo, 783
Technology, Scientific Principles (Review’), 68
Venezuelan, Composition of. 218
Wells, Increasing Yield by Gas Pressure, 254
Oil Flow Control and Gas-Oil Ratio, 858
and Pipe Lines, Removal of Paraffin Wax, 91, 700
See also Oi7; Paraffin ; Engines, Oil Petters, Ltd., Marine Oil Engines and Electric Lighting Set, 315* ; Oil Engine and Centrifugal Pump, 645* : Hopper Type Petrol Engine and Mechanical Lubricator, 756*
Phenological Observations, British Isles, Report, 59
Philadelphia. Delaware River Suspension Bridge, 576
Navy Yard, Tests of Pulverised Fuel for Marine Boilers, 791*. See 788*, 810, 819
Port of, 495*, 539*, 575*
Phillips, H. W. L., on Aluminium-Silicon-Iron Alloys, 366
Phosphorus-Iron Alloys, Preparation of, 211
Photo-Electric Cells, and Valve Amplifier, for Television. 250*. See 281*
Photographic Surveying from Aircraft. Canada, 240
Photographs, Stereoscopic, Atomic Structure of Crystals, 780
Photometry, Measurement of Mean-Spherical Candle Power, 262*
Work of National Physical Laboratory, 273
Photomicrographs. See Microphotographs Physical Chemistry. See Chemistry Laboratory. See National Physical
Science and Mechanical Engineering. Interdependence, 545. See 561
Science and the Theory of Probability, ill Physics, Acoustics of Auditoriums, 105
Atomic Structure of Crystals, Stereoscopic Photographs, 780
Structure of Metals, Investigation by X-Rays, 627*, 811. See Erratum, 616
Cohesion, Nature of, Discussion on, 753
Department, National Physical Laboratory, Work of, 211*, 242*
Determination of Stellar Temperatures, 509
in the Food industry, 720
in the Glass Industry, 7
Institute of. Physics in tlie Glass Industry, by Prof. N. E. S. Turner, 7 ; Physics in the Food Industry, by Sir W. Hardy, 720
Latent Heats and Melting Points of Metals, 212
Light, High-Frequency Interruption by Piezo-Electric Crystal, 841
Liquid Gases, Properties of, National Physical Laboratory Investigations. 39*
Mass Spectrograph and the Whole-Number Rule, 463
Matter, Modern Conceptions and Classical Science, 653
Piezometer Density Measurements on Liquid Gases, 39*
Polar Properties of Molecules, 463
Quantum Mechanics, Recent Progress. 462
Relativity, Outstanding Problems of, 415
Rontgen Ray Investigations of Colloids, 509
Short History of (Review), 290
Sound Waves, High-Frequency, in Liquids, 815
Work of National Physical Laboratory,
Spectra Emitted by Atoms in all Stages of Ionisation, 416*
Spectroscopy, Treatise on (Review), 574
Thermal Conductivity of Quartz, Determination. 212
Viscosity of Liquids, Theory of, 462
Work of Fresnel, 68
See also PARAGRAPH INDEX.
Physiological Effects, High-Tension Currents (Review), 559
Pickard, Lieut. Col. J. A. A., on Road Accidents. 732
Pickrose Compressed-Air Engine for Colliery Use, 710*
Piecework. See Labour
PIerS829* ( arg° Sheds’ p°rt of Baltimore, 637*,
Coal-Handling. Curtis Bay, Port of Baltimore, 829*
and Quays. Port of Montreal, 157*
Timber and Ferro-Concrete, Port of New York, 287*, 381* ; Port of Philadelphia,
Piezo-Electric Oscillator, Light Interruption by, 841
Oscillators, Production of High-Frequency Sound Waves in Liquids, 815
Oscillators, Work of National Physical Laboratory, 243*
Piezometer Density Measurements on Liquid Gases, 39*
Pig-Iron Prices. See Metal-Price Diagrams
Piles, Compressed-Concrete, MacArthur, 232*
Ferro-Concrete, Deterioration in Sea Water, 475. See 49
Foundations, Grain Elevators, Port of Philadelphia, 539*
Timber, Destruction in Australian Harbours, 847
Piling, Hollow-Steel, Foundations for Shaft Caissons, Holland Tunnel, 669*
Pier Construction, Port of New York, 289*, 381* ; Port of Philadelphia, 498*
Pilger Tube Mill, Pittsburgh Steel Products Co., 10
Pinions. See Gears; Gearing; Marine Propulsion
Pipe Laying, Thrust Boring Machine for, 690*
Cast-Iron, Caulking Stresses in Sockets, 39
Iron, Centrifugal Casting in Sand Moulds, 839
Centrifugal Casting, De Lavaud Process, 58*
Joints for High-Steam Pressures, 764*
Lines, High-Pressure, Gas Distribution by 173
Oil, Corrosion of, 254
Petroleum, Removal of Paraffin Wax, 700. See 91
Taf Fechan Reservoir, 129*. See 116*, 144
Transmission of Viscous Oils, 254
Walchensee Hydro-Electric Plant, 229*
Steam. See Steam Pipes
Water Velocity in, Chart for Estimating 105*
See also Tubes
Piping, Textile Fabric, Dupont Ventube, 711
Piston Valves, Locomotive, Centrifugal Castings for Bushings, 580*
Pitkin, W. R., on Grain Growth in Compressed Metal Powder, 368
Pitman, P., Governing Gear Pelton Wheels, 106
Pitot Tubes, Tests of Commercial Types, 52
Measurements, Air Flow’ in Mines, 536
Pitting. See Corrosion
Planing Machine. See Machine Tools Plastering, Plain and Decorative, Treatise on
(Review), 463 ,,
Plates, Boiler, Brittleness in, Investigations, 216*, 400, 409
Cracking of (Review), 638
Cracking of, Prolonged Tests at High Temperature, 400, 409
Tests at Various Temperatures, 140
Furnace, Redcar Works, Charging Machine for, 136*
Girders, Electrically-Welded, 210*
Steel, Prices. See Metal-Price Diagrams Plating, Electro. See Electro
Platinum-Resistance Pyrometers. See Pyrometers
Plough, Rotary, for Sugar Cane Plantations (J. Fowler and Co. (Leeds), Ltd.), 662*
Ploughing Gear, Cable, Diesel-Engine Driven (J. Fowlpr and Co. (Leeds), Ltd.), 75* ; (J. and H. McLaren, Ltd.), 76*
Power Required for, 795 Plug Gauges, Wear Tests of, 279
Safety, for Connecting Trailing Cables Hopkinson), 710*
and Sockets, Flame-Proof, Standard Specifications, 275
Safety, for Portable Electrical Appliances, 469*. See 350
Pneumatic Caissons, Shaft Sinking, Holland Tunnel, New York, 667*
Coal-Handling Plant, Colman’s Works, Norwich, 453*
Conveying System, Nuvako, for Coal, andc., 741*
Separation, Coal Cleaning by, 51
Tools. See Machine Tools
Water Supply, Bruston Automatic System, 681
See also Compressed Air ; Air Compressor Polar Geography, Problems of, 541
Properties of Molecules, 463
Pollock and Macnab (1919). Ltd., Turret Lathe, 218*. ‘ See Erratum, 328
Pollution, River, Prevention of, Law Relating to, 680
and Sewage Disposal, 680
Polytechnic. See Education Porcelain, Properties of. 826
Port of Bristol, Level-Luffing Cranes for, 581*
of Loudon, Annual Report, 365
Morris Power Station, New York. Hagan
Automatic Boiler-Control System, 325* '
of Rangoon, Annual Report, 589
Richmond Grain Elevator, Philadelphia, 539*
Western, of the North Atlantic : Montreal,
157*; New York. 286*, 381*; Philadelphia, 495*, 539*, 575* ; Baltimore, 635*, 701*, 829*
Portable Engine. See Engine
Machine Tools. See Machine Tools
Portland Cement. See Cement
Portsmouth Water Supply, Havant Pumping Station, 420
Post Office, London, Automatic Telephone System, Holborn Mechanical Tandem Exchange, 452*; Holborn Automatic Exchange, 854*
Powder, Metal, Compressed, Grain Growth in, 368
Powdered Coal. See Pulverised Coal
Power Alcohol. See Alcohol ; Motor Fuels
Conference, World, Sectional Meeting on Fuel, 144, 525
Electric, Domestic Use, Work of British
Electrical Development Association, 274. See 488
National Supply and Fuel Utilisation, 687
Use in Agriculture, 41, 43*, 304, 401, 755
Gas. See Gas; Engines, Gas; Producers
Power Hammer. See Hammer under Machine Tools
Plants, Electric, Private, Advantages of, 524. See LETTERS 562, 591, 625
Failures, Report on, 208
Hydro-Electric, Cameron Falls, Ontario 4. See 290
Hydro-Electric, Ireland, Shannon Scheme . 426
Hydro-Electric, Ontario, Report 4, 290 — Hydro-Electric, Queenston, Niagara, Development, 4, 290
Hydro-Electric, in Tasmania, Working Results, 274
Hydro-Electric, Villalba, Spain, 101*
Hydro-Electric, Walchensee, Bavaria, 162*, 228*, 255*, 417*, 447*
Industrial, Work of the Industrial Engineer, 494
See also Power Stations ; Power, Water Press. See Machine Tools
Production, Alcohol for. See Alcohol; Motor Fuels
Use of Earth’s Internal Heat, 335
Required for Ploughing, 795
for Ship Propulsion. See Marine Propulsion ; Ship Resistance
Station. Abadan, Filtrator Process for Feed- Water Treatment, 305
Electric, Crawford Avenue, Chicago, 60,000-kw. Turbine, 613*
Electric, Deptford, Compressed-Air Explosion, 718. See Erratum, 748
Electric, Edgar, Boston, 10,000-kw. High-Pressure Turbine, 728*
Electric, Ferrybridge, Yorkshire Electric Power Co., 527*
Electric, High-Pressure Steam, Application to Turbines, 610*, 728*, 763*. See 621
Electric, Increased Efficiency due to High Steam-Pressures, 610*
Electric, Klingenberg, 70,000-kw. Turbine, 728*
Electric, Lakeside, Milwaukee, Operating Experiences with High-Pressure Steam, 687
Electric, Langenbrugge, High-Pressure Turbine, 729*
Electric, Leghorn, Ljungstrom Turbo- Generator for, 411*, 507*, 542*. See LETTER 654
Electric, Port Morris, New York, Hagan Automatic Boiler-Control System, 325*
Electric, South-East England Electricity Scheme, 464*
Electric, Stoke-on-Trent, Extension, 621 — Electric, Using Brown Coal, Australia, 777
Electric, Valley Road, Bradford, High- Pressure Geared Turbine, 729*
Electric, Vasteras, Sweden, Forssblad Boiler, 436*
Electric, Wehrden, Tests of Zoelly Turbine, 579 See also Power Plants Supply, Electric, British National, Transmission Network, 533*
Electric, Central Scotland, Frequency Standardisation, 589
Electric, Madrid, Villalba Hydro- Electric Power Station, 101*
Electric, North-East Coast, Voltage Regulation on Transmission Lines, 90*
Electric, Past and Future Developments, 531*. See 523
Electric, Report of Electricity Commissioners, 846
Electric, in Rural Areas, 304, 755 — Electric, Shanghai, Report on, 172 — Electric, South-East England Scheme,
464*
Electric, Victoria, Australia, Use of Brown Coal, 777
Transmission by Belts, Testing Apparatus, 401, 438*. See LETTERS 744
Electric, Papis High-Tension Conference, Scope of, 460
Electric, Super-Tension Cables for, 350, 501*. See LETTERS 526, 576, 590
Gearing, Effect of Errors, National Physical Laboratory Investigations, 24
Overhead Lines, Electricity Commissioners’ Conference, 755
Overhead Lines, Newcastle-on-Tyne Electric Supply Co..Voltage Regulation, 90*
Overhead Lines, in Ontario, 4. See 290 — Overhead Lines, British National Scheme, Towers and Network, 532*
Overhead Lines, Electricity Supply in Rural Areas, 304. See 755
Overhead Lines, Proposed Association, 525
Overhead Lines, Proposed Regulations, 744
Overhead Lines, South-East England Electricity Scheme, 465*
See also Gearing ; Marine Propulsion
Utilisation. Tool, Implements and Cutlery Trades, 179
Water, Ireland, Shannon Scheme, 426 in Ontario, Report , 4, 290
Tasmania, Working Results, 274
Villalba Station, Spain, 101*
Walchensee Power Plant, Bavaria, 162*, 228*, 255*, 417*, 447*
See also Hydraulic; Power Plants,
Hydro-Electric; Pelton Wheels; Turbines, Hydraulic
Practical Statics, Treatise on (Review), 53
Pratt and Whitney Co., Super-Micrometer, 747
Preheating, Air, for Boiler Furnaces, 718 for Boiler Furnaces, Treatise on (Review), 258
Premium Systems. See Labour Presidential Address to American Society or Civil Engineers, by J. F. Stevens, on the Panama Canal, 250 to British Association, by Sir A. Keith, on the Theory of Evolution, 303. See 685
to British Association (Chemistry Section), by Dr. N. V. Sidgwick, on Co-Ordination Compounds, 509
Presidential Address to British Association (Economics Section), by Prof. 1). H. Macgregor, on the Rationalisation of Industry, 331
to British Association (Educational Science Section), by the Duchess of Atholl, on Education. 606
to British Association (Engineering Section), by Sir J. B. Henderson, on Invention and Progress, 309. See 301, 333
to the British Association (Forestry Sub- Section), by Sir P. Clutterbuck, on Forestry and the Empire. 573
-to British Association (Geographical Section), by Dr. R. N. R. Brown, on Polar Geography, 541
to the British Association (Mathematical and Physical Science Section), bv Prof. E. T. Whittaker, on Relativity, 415
to Institute of Fuel, by Sir A. Mond, on Fuel Problems and Research. 686
to Institute of Marine Engineers, by Capt. Onyon, on Naval Engineers, 363 -to Institute of Transport, bv R. T. Smith, on Railway Electrification, 491. See LETTER, 562
to Institution’ of Civil Engineers, by E. F. C. Trench, on Inland Transport, 577. See 585
to Institution of Electrical Engineers, by A. Page, on Electricity Supply, 531*. See 523
to Institution of Mechanical Engineers, by Sir H. Fowler, on Science and Engineering, 545. See 561
to Institution of Public Lighting Engineers, by A. C. Cramb, on Street Lighting, 364. See 429
to North-East Coast Institution of Engineers and Shipbuilders, by M. S. Gibb, on Oil Fuel and the Coal Industry, 588
Press, Matrix, Printer’s, Explosion, 597 Rubber Vulcanising, Explosion, 597 See also Machine Tools
Pressure Boosters. Air. for Water Supply, 630
Conduits and Tunnels, Statical Problems
(Review), 290
Relief, Ring Type, Flameproof Electrical Apparatus, 762
Wind, on Structures, National Physical Laboratory Investigations. 23*
Presswork, Sheet Metals, Effect of Temperature, 755, 760*
Prices of Commodities, Causes of Increase, 347 of Metals. See Metal-Price Diagrams
Priestman-Atkinson System. Co-Operative Production (Review)' 738
Priestman, H., on Worsted Spinning, 606 Primary Battery. See Cell under Electric Princes Risborough, Auto-Pneumatic Water-
Supply System, 681
Printer’s Matrix Press Explosion, 597
Printing Inks. Mixing Machines for, 298
Prisms. Reflecting, Design of. 841
Probability, Theory of. and Physical Science,111
Producer, Gas, Parker, Agricultural Tractor, 54* for Motor Vehicles, 653, 706. See 643* Plant, Berliet-Imbert System, for Motor
Road Roller, 643*. See 706 Use for Furnace Firing, 12
Production, Census of, Statistics of Tool, Implements and Cutlery Trades, 179
Profit Sharing. See Labour Propellers, Aerial. See Aeronautic*
Hotchkiss Internal-Cone for Shallow- Draught Vessels, 186*
Marine, Analysis of Efficiency, 113, 119* Comparisons of Model .Tests, 147* Investigations of Wake, 147 Method of Investigating Pressure Dis- ribution. 402*
Suggested Use of Roughened Surfaces, 402*
Type Axial-Flow Pumps for Low Lifts, 401, 535*, 566*
Flow Meters. Walchensee Hydro-Electric Power Plant, 229*
Propulsion of Ships See Marine Propulsion; Engines; Turbines; Propellers; Ship Resistance
Propulsive Efficiency of Rowing, 84 Protective Paints and Coatings, Iron and Steel
in Sea Water, 475
Protectomotor Air Filter for Internal-Combustion Engines. 151 ♦
Psychology and Engineering Progress, 526 Industrial, Machine Speeds and Output, 542
Rates of Working, Investigations, 542 Times and Motion Study in, 542 Value of, 365
Public Buildings, Acoustics of, 105
Lighting Engineers, Institution of, Brighton
Meeting: Presidential Address, by A. C. Cramb, on Street Lighting, 364. See 429 ; British Engineering Standards Association Draft Specifications for Street Lighting, by» L. B. W. Jolley, J. M. Waldram. and R. Watson. 364. See 429 : Public Lighting of Brighton, by J. Christie, 364 ; Street Lighting and Traffic Problems, by R. L. Matthews, 364. See 429
of Brighton, 364
and Traffic Problems, 364, 429
Works Congress, Royal Agricultural Hall : Advancement of Agriculture, by F. H. Osmond-Smith, 647 ; Street Lighting as an Illumination Problem, by Dr. J. W. T. Walsh, 647 : Street Lighting of London, by W. J. Jones, 647; Gas Industry’s Contribution to Smoke Abatement, by F. W. Goodenough, 647 ; Light Railways in the British Isles, by R. D. Gauld, 648 ; Organisation of Highways Work, bv B.P. Davies, 679; Rural Roads, by R. O. Gooby, 680 ; Design of Deep Culverts, by C. S. Chettoe, 680; Design and Construction of Reinforced-Concrete Conduits, Sewers and Aqueducts, by Prof. E. R.
Matthews, 680; River Pollution, by F. H. Heald, 680 ; Law Relating to Rivers Pollution Prevention, by A. Bebbington, 680; Water Divining, by Dr. J. W.

Gregory, 680 : Economics of Water Supply, by F. J. Alban, 681 ; Rural Water Supplies—The Advantages of Decentralisation, by D. F. Worger, 681 ; Small Sewage Works, by G. H. Garner, 731; Local Ownership of Transport Undertakings, by H. Marsh, 731 ; Coast Erosion and Defence, by E. J. McKaig, 732 ; Sea Defence: Erosion and Protection on a Sandy Coast, by S. W. Mobbs, 732 ; Review of Road Accidents, their Frequency, Cause and Prevention, bv Lieut.- Col. J. A. A. Pickard, 732 ; Exhibition of Plant, 642*, 688*, 725*

Roads and Transport Exhibition, Royal Agricultural Hall, 642*, 688*, 725*. See Erratum, 780. See also Public Works Congress
Pulfrich, Dr. C.. the Late, 368
Pulley Block, All-Steel (Universal System of Machine Moulding and Machinery Co., Ltd.), 323*
Jib-Head, Gimbal Mounting, Dragline Ex
cavator, 639*
Self-Lubricating, for Hauling Ropes, 673* Pulverised Coal, Babcock and Wilcox Marine
Boilers, Tests, 820*. See 788 — Installation, S.S. “ Mercer,” 788*. See
791*, 810, 819
for Marine Boilers, 85, 91*, 108, 121*, 152*, 778*, 791*, 810, 819, 820*
for Marine Boilers, Tests at Philadelphia Navy Yard, 791*. See 788*, 810, 819
Firing of Ruhr Coals, 14
Pulverising Coal, Kennedy Tube Mill for, 792*. See 788
Mill, Rema, 265*
Pump, Air, Scavenging, Doxford Marine Diesel Engine, 806*
See also Air Compressors Centrifugal, Boiler-Feed, Turbine-Driven,
Ljungstrom Turbine Locomotive, 804*. See 771*
Circulating, Hospital Heating Installation, 2*
Circulating, and Screening Plant, Ferrybridge Power Station. 529*
High Efficiency (Ruston and Hornsby Ltd.), 359*
Hydrodynamic Theory of, 294*, 405*
Medivane, Oil-Engine Driven (Petters
(Ipswich), Ltd.), 645*
and Petrol Engine (Arrol-Johnston and Aster Engineering Co., Ltd.), 357*
Rees-Roturbo Non-Clog Type, 234*. See LETTERS, 625
Fuel Oil, Doxford Marine Diesel Engine, 808*
Hydraulic, Use as Crane Brake, Hele-Shaw Beacham System, 393*
Low-Lift, Axial and Axial-Radial Flow, Comparisons with Centrifugal Pumps, 401, 535*, 536*
Oil, Mechanical Lubricator (Petters, Ltd.), 756*
Petrol, Quick-Action Nozzle Valve for, MacLeod, 214*
Ram (Tangyes, Ltd.), 727
Steam, Direct-Acting, J. S. White Oil-Fuel System, 358*
Vacuum, Rotary Water-Sealed Type, Nuvako Conveying System, 741*
Pumping Station, Havant, Portsmouth Water Supply, 420
Punjab Engineering Conference at Lahore, 433
Purification of Sewage. See Sewage of Water. See Water
Pyrometer, Optical, Portable (Siemens Brothers and Co., Ltd.), 550*
for Surface-Temperature Measurements (Cambridge Instrument Co., Ltd.), 319*. See Erratum, 401
Thermo-Couple Type, Use in Works and Laboratories, 858
Thread Recorder for (Cambridge Instrument Co., Ltd.), 319*
Pyrometric Standards, Work of National Physical Laboratory, 211
Pyrometry, Copper-Constant an Thermo- Couples, E.M.F. at High Temperatures, 838*

Q

QUANTUM Mechanics, Recent Progress, 462
Quarrying, Slate, Wire Saw in, 566
Quartz Fibres, Determination of Diameters, 273
Piezo-Electric Resonator, Light Interruption by, 841
Electric Resonators, Work of National Physical Laboratory, 243*
Electric Resonators, Production of High- Frequency Sound Waves in Liquids. 815
Thermal Conductivity, Determination, 212
Quasi Arc Co., Ltd., Welding Plant, 323
Quays and Piers, Port of Montreal, 157
Queenston Hydro-Electric Power Plant, Development, 4, 290
Quenching of Steel. See Heat Treatment under Metallurgy
Quicksilver Prices. See Metal-Price Diagrams

R.

“R.1O0,” Airship, Progress with, 693
Raboma Maschinenfabrik, Radial Drill, 599
Radial Drill. See Drill under Machine Tools
Radiation, Quantum Mechanics, Recent Progress, 462
Spectra Emitted by Atoms in all Stages of Ionisation, 416*
Pyrometers. See Pyrometers
Radio Communication Co., Ltd., Auto-Alarm Apparatus, 321*. See 630; Quenched- Spark Transmitter, 322*
Research Board, Report on Direction Finding, 587
Radiotelegraphy. See Telegraphy, Wireless
Radiotelephony. See Telephony, Wireless Rails, Steel, Work Hardening by Abrasion, 470* See 420*, 445
Prices. See Metal-Price Diagrams
Tramway, Standard Specification, 819
Railroad, Baltimore and Ohio, Grain and Coal
Handling Plant. Port of Baltimore, 701*, 829*. See 637* ;
Run of Great Western Railway Locomotive on. 754. See 56, 187
New York Central, Port Morris Power
Station, Automatic Boiler Control, 325*
Pennsylvania, Altoona Locomotive-Testing
Plant, Tests of Baldwin Three-Cylinder Compound Locomotive, 816*, 823*, 855*. See 102*, 133*, 814, 818
See also Railways
Railway Accidents. See Accidents
Bombay, Baroda, and Central India, Repair Work, River Mahi Bridge, 65*
Bridge. See Bridge
British, Development of, 578. See 585
Carriage. See Carriage
Companies and Passengers’ Luggage, Liability for Loss, 227
Early Tram Road in South Wales, 144
Electric, Port of Montreal. 161*
Treatise on (Review), 131
Electrification, Advantages of, 491. See LETTER, 562
Great Northern, United States, Cascade Tunnel, 214
Western, Lawsuit, Loss of Passengers’ Luggage, 227 ; Locomotive “ King George V,” 56*. See Erratum, 87. Run on Baltimore and Ohio Railroad. 754
Indian, Report on, 130. See Erratum, 395 Kenya and Uganda, Locomotive for, 198* Kirin-Tunghua, Manchuria, 811 Light, in British Isles, 648
Locomotive. See Locomotive
London, Midland and Scottish, Locomotive
with Caprotti Valve Gear, Tests, 292* ; Trade Unions and Working Efficiency, 397. See LETTER, 484 ; Trials of Ljungstrom Turbine Locomotive, 771, 802 ; Data of Locomotive Performance. 818. See 816
North Eastern. 4-4-0 Type Three- Cylinder Locomotive, 722*: Floating Bush Locomotive Connecting Rods, 723* ; Reconstruction of Beccles and St. Olaves Swing Bridges, 779
Material, Chinese Market, 29
and Motor Transport, Competition Between,
579, 652. See 586
New Zealand, Statistics, 441
Prices of Coal on, 144
Rates and the “ Appointed Day,” 276
Rolling-Stock. See also Carriages; Loco
motives ; Wagons
Signalling. See Signalling South African, Extension of, 395
African, Garratt-Type Locomotive, 758*. See 780
Southern, Motor Ferry Boat “ Fishbourne,”
107* ; Accident at Sevenoaks, 402*, 433, 456, 484
Standardisation of Permanent Way, 579. See 585
Street. See Tramways
Swiss Federal, Results of Electric Working,
491. See LETTER. 562 ; Reconstruction of Le Day Viaduct, 767*
Sydney Metropolitan, Electrification, Per
manent Way, Signalling and Rolling Stock, 125, 195*, 231*
Trade Unions and Efficiency of Working 397. See LETTER, 484
United States, Tendencies in Locomotive Design, 823
Wagons. See Wheels,
Tyre Fastening, Sydney Metropolitan Railways, 231*
Tyres, Work Hardening by Abrasion, 470*. See 420*, 445
Work, Use of Non-Ferrous Metals in, 336
See also Railroads and PARAGRAPH INDEX Rainfall in Kenya, 175
and Run-Off, Influence of Forests, 750. See 574
Raitt, W., on Paper Pulp from Bamboo, 574 Ram, Sir G., the Late, 83
Hydraulic, for Water Raising (Green <fe
Carter, Ltd.), 78*
Type Stoker, Doby, Lancashire Boilers, 778
Rangoon, Port of, Annual Report, 589
Ransomes and Rapier, Ltd.. Sluice Gates, Nag
Hammadi Barrage, 275 ; Concrete Mixers, 689
Ransomes, Sims.and Jefferies, Ltd\ Electrically-
Driven Threshing Machine and Lawn Mower, 43* ; Electric-Battery Tiering Truck,318*
Raper, A. R., on Copper-Tin Alloys, 366
Rapid Magnetting Machine Co., Ltd., Screen-
Type Magnetic Separator, 317*
Rapidbr Hack-Sawing Machine, 486*
Rates, Railway, and the “ Appointed Day,” 276
of Working, Normal and Maximum/Inves
tigations, 542
Rationalisation of Industry, 331
Ray, R., on the British Coking Industry, 719
Reactions, Chemical. See Chemistry
Read, C. M., on Cable Construction, 693
Reamer and Tap Holder (Atalanta, Ltd.), 356*
Reavell <fc Co., Ltd., High-Speed Quadruplex
Air Compressor, 324* ; Air Compressors at
Cardiff Exhibition, 674*
Reavell Mossay Pneumatic Tool Co., Ltd.,
Pneumatic Tools, 675 Rebate System, British Steel Industry, 333
Recalescence Curves. See Metallurgy
Recorder, Course, for Ships, Brewerton, 319*
Revolution, for Aero Engines, 168*
Rudder-Angle, for Ships, 392*
Thread, for Pyrometers (Cambridge Instrument Co., Ltd.), 319*
Vec-Notch and Rectangular-Weir Combined
(Lea Recorder Co.. Ltd.), 712*
Recording Gear, Differential, for Flow Meters
(<;. Kent, Ltd.). 713*
Rectifier, Cuprous-Oxide, for Alternating Current, 615
Rectifier, Mercury Jet, for Alternating Current 338*, 351, 377*
Redcar Works, Dorman, Long A Co., Ltd., (’barging Machine for Plate Furnace, 136*
Reduction Gears. See Gears; Marine Propulsion ; Motor-Car Details
Rees, W. J., on Silica Bricks, 451
Rees-Roturbo Manufacturing Co.. Ltd., Non-Clog Centrifugal Pump, 234*. See LETTERS, 025
Re-Facing Tool. Valve-Seat, Motor-Car Engines, 134*. See Erratum, 205
Reflecting Prisms. Design of. 841
Refractories for Metallurgical Work. National Physical Laboratory Investigations, 147 for Open-Hearth Steel Works. 450 Properties of Silica and Fireclay Products, 787
Refractory Bricks, Gas Permeability of. 10 Materials, Experiments on Drying Clay. 451
Fireclay Bodies, Unflred, Crushing Strength, 451
Silica Bricks. Manufacture without Added Bond, 451
Silica Products, Effect of Temperature.504
Refrigerating Plant for Breweries, 630
CO2 Compressor (J. and E. Hall, Ltd.), 324*
Properties of Sulphur Dioxide, 212
Refrigeration, Application in Chemical Industry, 787
Food Preservation by, Physical and Biological Aspects, 720 ‘
Preservation, Report of Food Investigation Board, 302
Investigation of Heat-Insulating Materials.212
Mollier Chart for Ammonia, 87 Principles of, 787
Research, National Physical Laboratory, 212 See also Cold Storage
Refuse Collection, Shelvoke and Drewry Lorn for, 725*
Regenerative Furnace. See Furnace
Feed Heating, Steam Turbines, Advantages.610*
Regenerators, Open-Hearth Furnace, Refractories for. 450
Registration of Architects, 81
Regulation, Automatic, Boiler Plant. Hagan System, 325*
Electrical Equipment of Buildings. 10
London County Council. Strength of Ferro-Concrete Beams, 414. See 563*
Motor-Vehicle Dimensions and Weights. 242

Proposed, Overhead Power-Transmission Lines, 744

of Three-Phase Motors (Review), 09
Regulator, Gas, Automatic, for Furnaces, Ac..746*
Temperature, Automatic. Hydrostatic Type
(Cambridge Instrument Co., Ltd.), 319* Voltage, for Electric Generators, Thermionic-
Valve Type, 351, 537*
Re-Heating, Inter-Stage, Steam Turbines, Advantages, 610*
Furnace. See Furnace Reinforced Concrete. See Ferro-Concrete
Reistle, C. E.,on Handling Congealing Oils. 7C0
Relativity, Outstanding Problems of. 415
Relay, Sensitive, for Valve-Tvpe Voltage Regulator, 537*. See 351
Rema Pulversing Mill, 265*
Remuneration of Labour. See Labour Renault Centrifugal Oil Purifier, 516*
Renaults, Ltd., Umbrella-Type Factory Building, 13*. See 236; Monasix Motor Car. 515
Repair Work, *River Mahi Bridge, India. 65*
St. Paul’s Cathedral, Staybrite Steel for
Concrete Reinforcement, 134*
Repeated Stresses. See Alternating Stress under Tests {Materials)
Report, Aeronautical Research Committee, 270 Air Seasoning and Conditioning of Timber, 774
Alkali Works, 188
Board of Trade, Boiler Explosion Inquiries.
275, 534, 597
Cable Explosion at Acton, 274
Civil Aviation in Canada, 240
Commercial, Industrial and Economic
Situation in Italy, 175
Committee on Seismological Investigations. 508
Compressed-Air Explosion, Deptford Power
Station, 718. See Erratum, 748
Conciliation in Engineering Industry. 845
Decomposition of Coal, Greenwich Fuel
Research Station, 64*
Deterioration of Structures in Sea Water. 49, 475. See 847.
Economic, Financial and Industrial Conditions in the Netherlands, 271
Electric Power Supply of Shanghai. 172
Factories and Workshops, Home Office,Inspector’s, 241
Fire-Resisting Properties of Building Materials, 332
Food Investigation Board, 302
Fuel Research Board. 82, 193 Heat-Engine Trials, Tabulating Results. 235 Hydro-Electric Power in Ontario. 4. 290 Ignition of Gases by Hot Wires, 505 Indian Railways, 130. See Erratum, 395 Industrial and Economic Situation in Czechoslovakia, 589 — Fatigue Research Board, 50
Lloyd’s Register of Shipping, 557
Mean-Spherical Candle Power. Scientific and Industrial Research Department, 262*
National Physical Laboratory, Work of 23*, 38*, 85*, 146*, 211*, 242*, 273*
Phenological Observations. British Isles, 59
Port of London. 365
of Rangoon. 589
Power Alcohol, Australian Investigations, 706
Plant Failures, 208
Radio Direction Finding. 587
Research. Iron and Steel at High Temperatures, 181*, 837*
Royal Commission on Land Drainage, 784
Report., Steelwork for Buildings, 304
Traffic Advisory Committee, London and
Home Counties, 555
Water Supplies of Kenya, 175 See also Board of Trade
Research Board, Fuel, Annual Report, 82, 193 Industrial Fatigue, Annual Report, 50 Safety in Mines, Opening of Buxton
Research Station, 20; Report on Ignition of Gases by Hot Wires, 505 ; Flameproof Electrical Apparatus, Ring Relief Protection, 762
Committee, Aeronautical, Report, 270 Cutting Tools, Institution of Mechanical
Engineers, Report on Cutting Temperatures. 755, 759*
Department, Scientific and Industrial, Report on Iron and Steel at High Temperatures, 181*, 837* ; Report on Mean- Spherical Candle Power, 262* ; Report of Food Investigation Board, 302 ; Building Research Board, Report on Fire-Resisting Properties of Building Materials, 332 ; Report on Radio Direction Finding, 587
Forest Products, Air Seasoning and Conditioning of Timber, Report, 774
Glass Technology, Collected Papers (Review), 291
Laboratories, High-Pressure Gas, Imperial College of Science, 786
Wembley, Investigations of Deposits in Gas-Filled Lamps, 621
Scientific and Industrial, Australian, Investigations on Power Alcohol, 706
Station, Fuel, Greenwich, Report on Decomposition of Coal, 64* ; Report on Work, 193 ; Thermo-Couple Pyrometers, 858
Value in Mechanical Engineering, 548 Wool, Chemical Aspects of, 607 See also National Physical Laboratory
Reservoir, Taf Fechan, South Wales, 116* 125*. See 144
Resistance, Electric. See Electric
Pyrometer. See Pyrometer of Ships. See Ship Resistance Welding. See Welding
Resonators, Quartz Piezo-Electric, Work of National Physical Laboratory, 243* ; Production of High-Frequency Sound Waves in Liquids, 815; Light Interruption by, 841
Respirators, Dust, Rejjort. on, 279
Retorts, Vertical, Gas Manufacture, Increasing Throughput, 193
Reverberations, Sound, Acoustics of Auditoriums, 105
Reversing and Reducing Gear, Burn, 342
Reviews. See LITERATURE INDEX Revolution Indicator and Counter, Sperry
Electrical, 319*
Recorder for Aero Engines, 168*
Reynolds, Dr. .1. H., the late, 115 Reyrqlle, A., A Co., Ltd., Switchgear for
Alternating-Current. 467*. See 350 ; Oil- Immersed Pillar Switch, 708*
Ricardo, H. R., on Detonation in Petrol Engines. 783
Rice A Co. (Leeds), Ltd., Hydraulic Riveter with Universal Hanger, 823*
Richardsons, Westgarth A Co., Ltd., Centrifugal Washer. Blast-Furnace Gas, 673*
Rigid Airships. See Airships under Aeronautics Ring-Type Pressure Relief, Flameproof Elec
trical Apparatus, 762
” Rio Grande do Sul,” Brazilian Scout Cruiser, Results with New Machinery, 327*
Riofrio Aqueduct, Villalba Power Plant, Spain, 101*
Rippingille Petrometer, Liquid-Measuring Device, 487*. See 520
River Delaware Suspension Bridge, Philadelphia, 576
Elbe, Railway Bridge at Hamerten, 225*, 347*
Hudson, New York, Holland Tunnel under, 601*, 667*, 735*
Mahi Bridge, India, Replacement of Damaged Verticals, 65*
Nile, Lake Tsana Regulation Scheme, 620 Nag Hammadi Barrage, 275
Orbe, Switzerland. Reconstruction of Le Day Viaduct, 767*
Pollution, Prevention of, Law Relating to, 680
and Sewage Disposal, 680 Shannon Water Power Scheme, 426 St. Lawrence, Port of Montreal, 157*
Tiber, Roman Roads in Valley of, 573 Usk, Road Bridge over, at Newport, 34*.
See Addendum, 200
Waveney, Railway Swing Bridges over, Reconstruction, 779
Yare, Floating Bridge over,-235*
Riveted Joints, Boilers, Corrosion at, 180 Riveter, Hydraulic, with Universal Hanger,
823*
Road Accidents, Frequency, Cause and Prevention, 732
Bitumen Surfaced. Patching Outfit for, 643*
Construction. Grading Machine for (J. A F. Howard, Ltd.), 725*
Grit-Spreading Attachment for Tar Spraying Machine (T. Coleman and Sons, Ltd.), 726
Jacta Drying and Mixing Machine for 'Par Macadam (Goodwin, Barsby A Co., Ltd.), 725*
and Motor Transport, 652
and Repair Work, Organisation, 679
Tamping Machine for Granite Setts (T.
Roberts A Co.), 725*
Tar and Bitumen Spraying Machine (A. Scliars), 726 : (T. Coleman A Sons, Ltd.), 726
Fund, Administration of, 586
North Circular, London, Opening of Lea
Valley and Ching Brook Sections. 692
Paving, Granite Setts, Holland Tunnel,
New York, 738*
and Road Transport, British, 1) clopment of, 577. See 585
Road Holler, Motor, 4 ft. to 6 ft. Convertible (Harford A Perkins, Ltd.), 44*
Motor, with Diesel Engine (Harford A Perkins, Ltd.), 043*
Motor, with Suction Gas Plant (Harford A Perkins, Ltd.), 643*
Steam, with Inclined Boiler (Wallis A Steevens, Ltd.), 644*
Steam and Oil Engine (Avcling A Porter, Ltd.), 691
Steam, Track-Belt Type (J. Allen A Sons (Oxford). Ltd.), 691*
Steam, Universal (Marshall, Sons A Co., Ltd.), 75*
Roman, in Valley of the Tiber, 573
Rural, Maintenance of, 680
Sprayer, Bitumen Emulsion (Colas Products,
Ltd.), 643* ; (A. Schars), 726 Sweeping Machine, Motor (Lacre Motor Car Co., Ltd.), 726
Tar Macadam, Softening Plant for (Barford A Perkins, Ltd.), 643*
Transport and Public Works Exhibition, Royal Agricultural Hall, 642*, 688*, 725*. See Erratum, 780. See also Public Works Congress
Transport and Railways, Competition between, 579, 652. See 586
Undertakings, Local Ownership, 731
Vibrations of, National Physical Laboratory Investigations, 23
Roberts, T., A Co., Tamping Machine for Granite Setts, 725*
Robertson-Galland, Barley Sweating Plant, 629
Robinson, Prof. G. W., on Forest Soils, 573
Robinson, T., A Son, Ltd., Moisture-Testing
Apparatus for Grain, 154*
Robinson, T. W., on the American Iron and
Steel Industry, 407. See 400
Rock Drilling, Diamonds for, 120. See 246
“ Rodney,” H.M. Battleship, Design of, 99*.
See LETTER,368*
Roller Bearings. See Bearings
Road. See Road Roller
Rolling Mills, Holler-Type Straightening Machines for, 295*
for Steel Strips and Sheets, 839
Tube Manufacture, Pittsburgh Steel Products Co., 10
Steel, Theory and Practice of (Review), 574 Stock, Sydney Metropolitan Railways, 231*
See also Carriages ; Locomotives ; Wagons Rolls, Kibbling, Cement Manufacture, 697*. See 671
Rome, International Congress on Scientific Management, 365
Proposed Experimental Tank for Ship Models, 800
Roman Roads in the Valley of the Tiber, 573
Rontgen Rays, Applied, Treatise on (Review), 622
Investigations of Colloids, 509 Investigation of Crystalline Structure of
Metals, 627*, 811. See Erratum, 616
Work of National Physical Laboratory, 212
Roofs, Steel-Framed Buildings, Permissible Loads, 304
Umbrella Type for Factory Building, 13*. See 236
Wind Pressures on, National Physical Laboratory Investigations, 23*
Rooksby, H. P., on Tungsten Reactions in Gas-
Filled Lamps, 621
Root Cleaning and Cutting Machine (Harrison,
McGregor A Co., Ltd.), 75*
Ropes, Hauling. Self-Lubricating Pulley, 673*
Wire. See Wire Ropes
Ropeway. Aerial. See Wire Ropeway Rosenhain, Dr. W.. on the Behaviour of Mild Steel under Prolonged Stress at High
Temperature, 409. See 400.
Rotary Filters, Rovac System, 386*
Blower, Cozette Supercharger for Motor-Car Engines, 518*
Converters, Design, Construction and Operation (Review), 178
Cooler Cement Clinker, 699*. See 672, 715
Kilns, Cement Manufacture, 698. See 671, 715
Cement Manufacture, Atomised Feed for, 671. 699. See 715
Cement Manufacture, Heat Balance of,
671, 698. See 715
Plough for Sugar Cane Plantations (J.
Fowler A Co. (Leeds), Ltd.), 662*
Pump. See Pump
Rotating Discs, Steam Turbines, Stresses in. 764*. See 625*
Roth Steam Turbine, 422*
Rotors, Turbine, Magnetic Tests of. 142
Centrifugal Stresses in, 625*. 764* Turbo-Generator, Testing for Soundness, 624*, 664*
Roumania, Mineral Wealth of, 562
Rovac Rotary Filters, 386*
Rowell. S. W., on Magnesium-Cadmium Alloys, 385
Rowing, Propulsive Efficiency of, 84
Royal Aeronautical Society. See Aeronautical
Agricultural Hall. See Exhibition Agricultural Society. See Agricultural Commission on Land Drainage, *Report, 784 Institute of British Architects, Scholarships, 170

Royal Institution :

Modern Conceptions of Matter and Classical Science, by P. Painlevd, 653
X-ltav Analysis of Metals, by Sir W. Bragg, 811. See 616, 627*

Royal Meteorological Society. See Meteorological
Royal Ruby Cycle Co., Light Car, 589 Society of Arts. See Arts Technical College, Glasgow, Calendar, 369
Rubber, Density and Electrical Properties, 826 Linings for Cement-Grinding Mills, 672 Moulds, Pyrometers for Surface-Temperature
Measurement, 319*. See Erratum, 401 Vulcanising Press, Explosion, Bradford-on-Avon,597
Rudder-Angle Recorder for Ships, 392*
Ruhr (Joke-Oven Gas, Distribution by Pipe Lines, 173
Coals, Tests on Pulverised Firing, 14
Rules, Eleetrieal Equipment of Buildings, 10
London County Council, Strength of Ferroconcrete Beams, 414. See 563*
Motor Vehicle Dimensions and Weights, 242
Standard, Declaring Efficiency of Electrical Machinery, 843
Runways, Overhead, for Farm (Jse, 372*. See 401
Rural Areas, Electric Power Supply in, 304, 755
Roads, Maintenance of, 680 Water Supplies, Advantages of Decentralisation, 681
Russell, G., and Co., Ltd., Electric Level-Luffing Cranes at Bristol Docks, 581*
Rusting. See Corrosion
Ruston and Hornsby, Ltd., 275-h.p. Solid- Injection Marine Auxiliary Oil Engine, 12*, 321* ; Petrol-Paraffin Engine with Hopper Cooler, 42* ; High-Efficiency Centrifugal Pump, 359*; 175-ton Oil-Electric Dragline Excavator, 608*, 639* ; Universal Petrol-Paraffin Excavating Machine, 643*

S

SAFETY Appliances, Home Office Museum of, 752
in Boiler Working (Review), 638
First Association and the Reduction of Street Accidents, 732
Lamp, Miners’ Electric, Air-Turbine Driven Generator (M. L. Magneto Syndicate, Ltd.), 709*. See Erratum, 781
Miners’ Electric, ignition of Gases by Broken Bulbs, 505
Miners, Electric, for Shafts and Roadways (Thor Lamp and Supplies, Ltd.), 674* ; (Oldham and Son, Ltd.), 708*
Miners, Lumax Shadow-Diffusing Glass for, 709*
in Mines Research Board, Opening of Buxton Research Station, 20; Report on Ignition of Gases by Hot Wires, 505; Flameproof Electrical Apparatus, Ring Relief Protection, 762
Saint. See St.
Salt Creek Oilfield, Oil-Flow Control and Gas- Oil Ratio, 858
Sand Dune Reclamation in Palestine, 771
Moulds, Centrifugal Casting of Iron Pipes in, 839
Papering-Machine, Belt Type (Dominion Machinery Co., Ltd.), 317*
Machine, Portable Electric, with Saw and Grinding Wheel (B.E.N. Patents, Ltd.), 318*
Sanitation, Refuse Collection, Shelvoke and Drewry Lorry for, 725*
“ Saturnia,” M.S.. Italian-South American Passenger Service, 455*
Sauerman Drag Scraper, Coal-Handling and Excavation Work, 121*
Sault Ste. Marie Canal, Traffic on, Comparisons with Panama Canal, 252
Saw, Wire, in Slate Quarrying, 566
See also Machine Tools
Scale Effect, Wind-Tunnel Tests Aerofoils, 86
Scammell Lorries, Ltd., Six-Wheel Motor Lorry, 694*
Scavenging Pumps. See Pumps, Air
Schars, A., Tar-Spraying Machine, 726
Schenk, C., Balancing Machine for Small Armatures, 202*
Schneider Trophy Seaplane Race, Napier Lion Engine, 569*
Scholarships. See Education
Schroder-Nielsen Davit for Ships’ Boats, 775
Schuster, L. W., on the Strength of Crane Hooks, 209
Science, Classical, and Modern Conceptions of Matter, 653
Physical, and Mechanical Engineering, Interdependence, 545. See 561, 685
— and*the Theory of Probability, 111 and Whitworth Scholarships, Regulations, 582
Scientific Management. See IForZ*# Management
Progress, Importance of Invention, 301, 309, 333
Research. See Research Societies. See Institutions
Scientists, Engineers, and the Progress of Civilisation, 685
Schmaltz, F., G.m.b.H., Drill Grinder, 390*
Schmidt High-Pressure Locomotive, 816
Schofield, Dr. H., on Engineering Training and Production, 606
Scotland, Central, Electricity Scheme, Frequency Standardisation, 589
Institution of Engineers and Shipbuilders in. See Engineers
Scott-Snell Automatic Vacuum Oil Lamp, 167
Scott and Hodgson, Ltd., Roth Steam Turbine. 422*
Scottish Ironworks, an Early, 368*
Scraper, Drag, Sauerman, Coal Handling and Excavation Work, 121*
Screens, Circulating-Water, Ferrybridge Power Station, 529*
Type Magnetic Separator (Rapid Magnetting Machine Co., Ltd.), 317*
Screw Driver (Atalanta, Ltd.), 356*
Cutting Lathe. See Lathe under Machine Tools
Propellers. Sec Propellers ; Aeronautics
Screwing Machine. See Machine Tools Sea, Coast Erosion by, and Defence Works, 732
Water, Australian Harbours, Destruction of Timber Piles in, 847
Deterioration of Structures in, 49, 475, 847
Oil Contamination of, Hele-Shaw Beale Separator, 815
Seaborne Trade in European War (Review), 213

Seaplanes. See Aeronautics
Seasoning and Conditioning of Timber. Report, 774
Secondary Battery. See Accumulator under Electric
Depression, January 28-29,1927, Investigations, 750
Schools and Education. See Education
Segregation in Steel Ingots, Tests for. 624
Seismological Investigations, Report of Committee, 508
Separation, Pneumatic, Coal Cleaning by, 51
Separator, Magnetic, for Ores, Davies. 746*
Screen Type (Rapid Magnetting Machine Co., Ltd.), 317*
Oil, Hele-Shaw Beale, Prevention of Contamination of Sea Water, 815
Seraing, Cockerill Works, Anniversary Celebrations, 461
Servo-Gear, Dewandre, Vacuum Motor-Vehicle Brakes, 696*
Setts, Granite, Paving, Holland Tunnel, New York, 738*
Tamping Machine for, 725*
Sevenoaks, Railway Accident at, 402*, 433, 456, 484
Sewage Disposal and River Pollution, 680
Small Plants, Design, Equipment and Operation, 731
Pollution, Lake Michigan and Water Supply, 492
Treatment, Imhoff Tank Plant. Trenton, N.J., 721
Works, The Hague, Doby Stokers at, 778*
See also PARAGRAPH INDEX Sewers, Ferro-Concrete, Design and Construction, 680
Shaft, Crank. See Crankshaft
Gland, Labyrinth, LjungstrOm Steam Turbine, 507*
Sinking, Deptford Power Station. Compressed-Air Explosion, Report on. 718. See Erratum, 748
— Pneumatic Caissons, Holland Tunnel, New York, 667*
Whirling Speeds of, 415,474*. See LETTERS, 484, 526
Shaker Conveyors, Compressed-Air and Electric Driving Gear, 711*
Shanghai, Report on Electric Supply, 172
Shannon Water-Power Scheme, 426
Sharon Works, Westinghouse Electric and
Manufacturing Co., Electrically-Welded Building, 210*
Shatwell, H. G., on Liquid Fuels other than Petroleum, 720
Sliaws Water Co., Greenock, Centenary, 20. See LETTER, 108
Shear Tests. See Tests (Materials)
Shearing Machine. See Machine Tool*
Strength, Ferro-Concrete Beams, 413. 563
Sheds, Cargo, Port of New York. 289*. See
381* ; Port of Philadelphia, 498* ; Port of Baltimore, 637*
Sheet Steel, Effect of Temperature on Ductility, 755, 760* Rqjling Mills for, 839
Work Hardening of, Effect of Temperature, 755, 760*
Sheffield University, Glass Technology, Researches and Reports (Review). 291
Shells, Use in Cement Manufacture, 143
Shelvoke and Drewry, Ltd., Motor Lorry for
House-Refuse Collection, 725*
Sherlock, H. A. G., the Late, 14
Shields, Tunnelling, Holland Tunnel, New York,735*
Shipbuilders and Engineers. North-East (’oast
Institution of. See North-East Coast in Scotland, Institution of. See Engineers
Shipbuilding, Annual Report of Lloyd’s Register, 557
Early History, Ships from Pepys* Manuscripts, 84, 89
Industry, Factors Affecting Economy. 245
Launching Drag Wires, Stresses in. 65
Lloyd’s Register Book, 110 Naval. See Warships
Vessels under Construction, Lloyd’s Statistics, 82,493
See also Steamers; Naval; Warships; and PARAGRAPH INDEX
Shipping Annual, Brassey’s (Review). 834
Board, United States. See United States Engineering and Machinery Exhibition,
Olympia, 315*, 352*, 386*. See 398, 422*, 423*, 428, 486*, 839 Industry in the European War (Review), 213 Lloyd’s Register Book. 110
Register, Annual Report, 557
Vessels under Construction, Lloyds Statistics, 82, 493
Lost, Lloyd’s Statistics, 275, 470. 733
Ships’ Boats, Nielsen Davit for. 775* Brewerton Course Recorder for, 319*
Canal. See Canal;
Navigation, Inland under Construction, Lloyd’s Statistics, 82, 493
Design, Progress in, 245
Diesel, Engined. See Motor Ships ; Marine Propulsion
Fire-Extinguishing System, Carbon-Dioxide,
Lux-Rich; 353*. See 360, 426 Floating Landing Stage for Aeroplanes in
Mid-Atlantic, 223*. See LETTERS. 275. 654 Launching. See Launching Lifeboat, Gaskin, Unsinkable, Tests of. 839 Lloyd’s Register Book, 110 Lost, Lloyd’s Statistics, 275, 470. 733 Model Tests, Work of Froude Tank. 146*
Tests. See also Ship Resistance Motor. See Motor Ships; Marine Propulsion from Pepys’ Manuscripts, 84, 89 Propellers. See Propellers Propulsion. See Marine Propulsion; Engines ; Turbines; Propellers Resistance, Effect of Waves, Tank Experiments, 146
Rudder-Angle Recorder for, 392*
Speeds in Winter Weather. 113*
Steering Gear, Donkin-Scott Electric
System, 356*
Ships, Submerged Electric Log for, 891* y indow, Fusee Type, 312*
See also J/ariwe ; * Motor Ships; Shipping ; ’ Worships; PARAGRAPH INDEX
SHOCK-testing Apparatus for Electric Lamps, r 594*. See 350
Tests. See Impact Tests under Tests (Materials)
Shop Management. See Works Management
Shore Erosion and Defence, British Isles, 732
Shovel, Loading,High-Lift,on Fordson Tractor, 045*
Steam. See Excavating Machine
Show. See Exhibition
Shrinkage Cavities in Cast Alloys, 367
of Concrete, Effect on Design, 586. 661
Sidery, A. J.,on Protection of Aluminium and Alloys from Corrosion, 376*. See 385
Sidgwiek, Dr. N. V., on Co-Ordination Compounds, 509
Siemens Brothers and Co., Ltd., Auto Alarm, Wireless Distress Signals, 355*; Optical Pyrometer and Distance Thermometer, 550*
Siemens-Martin Furnaces. See Furnaces
Siemens Schuckertwerke, Single-Phase Generators. Walchensee Hydro-Electric Plant. 449*
Signalling Lamp, Daylight (C. A. Vandervell A Co., Ltd.), 352*
System, Sydney Metropolitan Railways, 196*
Silica Bricks, Manufacture without Added Bond,451
Use in Open-Hearth Furnaces, 450 See also Firebricks ; Refractory Materials
Gel for Drying Blast, Blast Furnaces, 432, 836*, 853
Products, Effect of Temperature. 504
Refractories, Properties of, 787
Silicon-Aluminium-Iron Alloys, Constitution of, 366
Carbon-Iron Alloys, Constitution of, 431 and Nickel, Influence on Cast-Iron, 444
Steel. Properties and Uses, 785
Silk, Artificial, Properties of. 607
Drying Cylinder, Steam-Heated, Explosion of, 534
Silos, Grain, Ferro-Concrete, Construction with Movable Shuttering, 237
Port of Montreal, 159* ; Port of Philadelphia, 539* ; Port of Baltimore, 701*
Silver, Precipitation from Cyanide Solutions on Charcoal, 252
Similarity, Dynamical. Law of, and Fluid Flow. See Hydrodynamics, Recent Progress in
Simon, H., Ltd., Pneumatic Coal-Handling Plant. Colman’s Works, Norwich, 453*
Singapore Water Supplv, 308
Single Crystals of Metals and Cohesion Phenomena, 753
Metals, Effect of Temperature on Work Hardening, 761*. See. 755
Phase. Sec Generator; Motor; Locomotive ; Power; Railway
Sinnatt, F. S. M., Coal Preparation for Market, 51
Sir John Cass Technical Institute, Prospectus, 298
Skilled Mechanics and the Motor-Car Industry, 27. See 21
Skin Friction. See Aeronautics; Friction; Hydrodynamics ; Ship Resistance
Skinner, F. W., on the Holland Tunnel, New York.601*, 667*, 735* ; on the Durability of Structural Steel, 770
Skinner, G. G., on the Conversion of Coal into Oil, 719
Slag. See Metallurgy
Slate Quarrying, Wife Saw in. 566
Sleepers, Concrete. Melbourne Tramways, 426 Sleeve Valves, Burt-McCullum System, Karrier
Motor-Omnibus Engine, 704*
Slotted Aeroplane Wing. Handley-Page, Na tional Physical Laboratory Investigations, 86*
Sluice Gates for Nag Hammadi Barrage, 275
Slurry Conveying, Cement Works. 697. See 671
Smelting Furnaces. See Furnaces Smith A Coventry, Ltd., Boring, Facing and
Recessing Machine for Motor Frames, 265*
Smith, Dr. C. S.. on Etching by Cathodic Disintegration, 410*. See 385
Smith. S., A Blyth, Ltd., Mixing and Milling Plant for Paint, 499*
Smith, R. T., on Railway Electrification, 491. See LETTER, 562
Smith, Major T. V.,the Late. 328
Smith Tar Extractor (Hakoi. Ltd.), 563
Smithells, Dr. C. J., on Grain Growth in Compressed Metal Powder, 368 ; on Tungsten Reactions in Gas-Filled Lamps, 621
Smithfield Club Agricultural Show, 756*
Smoke Abatement and the Gas Industry, 647
Provisions of New Act, 556 Production, Economic Loss from, 334, 340
Smokeless Fuel. Sec Coal, Low-Temperature Carbonisation
Smyth, E. J., Valve-Seat Re-Facing Tool, 134*. See Erratum, 205
Societies, Technical and Scientific. See Institutions
Trade. See Labour
Society of Motor Manufacturers and Traders. See Motor
Sockets and Plugs. See Plugs Softener. Water. See IFaZrr
Softener Sound, Acoustics of Auditoriums. 105
Waves, High-Frequency, in Liquids, 815 Work of National Physical Laboratory, 242
South Africa, Minerals of, 144
African Railways, Extension of, 395
Railways, Garratt-Type Locomotive for, 758*. See 780
East England Electricity Scheme, 464* Metropolitan Gas Company, Co-Partnership
System. 397. See LETTER, 484 ; Turbine- Driven Fan for. 422*
Staffordshire Coalfield, Geology of (Review), 835
Wales Institute of Engineers. Cardiff Engineering Exhibition. 673*, 708*
and Monmouthshire School of Mines, Prospectus, 298

South Wales, Taf Fechan Reservoir, 116*, 125*. See 144

West, Notes from, 14, 47, 79, 109, 139, 171, 204, 237, 266. 299, 329, 361, 395, 425, 457, 489, 520, 553, 583, 616, 649, 683, 714, 749, 781, 811, 842. See PARAGRAPH INDEX
Yorkshire, Notes from, 15, 47, 79, 108, 139, 171, 205, 237, 267, 298, 329, 360, 394, 425, 456, 489, 521, 553, 582, 617, 648, 682, 715, 749, 780, 811,843. See PARAGRAPH INDEX Southern Railway, Motor Ferry-Boat “ Fishbourne,” 107* ; Accident at Sevenoaks, 402*, 433, 456, 484
Spain, Villalba Hydro-Electric Plant, 101* Spanner, E. F., on The Case Against Airships, 428
Speakinan, J. B., on Properties and Testing of Wool, 607
Spears, A. T., the Late, 683
Special Libraries and Information Bureaux,
Association of. See Libraries Specific Heats, Gaseous Explosions, and Efficiency of Internal-Combustion Engines, 351, 371*
Specifications, Standard. See Standard; Standardisation
Spectra Emitted by Atoms in all Stages of
Ionisation, 416*
of Fused Wires. 462
Star, Determination of Temperature by, 509
Spectrograph, Mass, and the Whole-Number Rule, 463
Spectroscopy, Treatise on (Review), 574
Speed-Reduction Gears. See Gears ; Gearing ;
Marine Propulsion ; Motor-Car Details
Regulation. See also Governing.
Trials. See Trials
Spelter Prices. See Metal-Price Diagrams
Sperry Gyroscope Co., Ltd., Revolution Indi cator and Counter, 319*
Spindletop Oilfield, Texas, Composition of Crude Oil, 218
Spinning of Aeroplanes, National Physical
Laboratory Investigations, 87*
Worsted, Higher Drafts in, 606
Spiral Reinforcement, Ferro-Concrete Columns,
Austrian Experiments, 188 Spirit, Motor. See Motor Fuels
Spiro Compressed-Air Motor, Coal-Cutting Machine, 711*
Splined Shafts, Automatic Grinding Machine for, 388*
Spontan Transmission Gear for Motor Cars 658*. See LETTER, 754
Sporn, P., Tests of High-Tension Circuit Breakers, 461
Sprayer, Road, Bitumen Emulsion (Colas Products, Ltd.), 643* ; (A. Schars), 726
Spraying Machines, Tar and Bitumen (A.
Schars), 726; (T. Coleman A Sons, Ltd.), 726
Tar, with Grit-Spreading Attachment
(T. Coleman A Sons, Ltd.). 726
Spreader and Mixer, Concrete, Koehring Combined, 691
Spring Bars, Punching and Shearing Machine for, 486*
Foundations, Preventing Vibration of Machinery, 259*
Laminated, Special Steels for, Tests at
National Physical Laboratory. 24
Washer, Nut Lock, the Vibro, 796*
Springing of Motor Lorries, National Physical
Laboratory Investigations, 24
Spun-Sorbitic Process, Centrifugal Castings, 386*, 580*
Spur Gearing. See Gears; Gearing; Marine Propulsion
St. Clair, H. P., Tests of High-Tension Circuit Breakers. 461
St. Olaves Swing Bridge, Reconstruction. 779 St. Lawrence River. Port of Montreal, 157* St. Paul’s Cathedral, Staybrite Steel for Concrete Reinforcement, 134*
Stabiliinento Tecnico Triestino, Diesel Engines for M.S. “ Saturnia,” 455*
Staffordshire Coalfield, Geology of (Review), 835
Stamping Hammers and Presses. See Machine Tools
Standards Association. See Engineering Standards
Cells, Cadmium-Sulphate, National Physical
Laboratory Investigations. 242 Code, Canadian, Electrical Apparatus, 721 815
Electrical. Work of National Physical Laboratory, 242
Length, Invar, National Physical Laboratory Investigations, 273
Pyrometric, Work of National Physical Laboratory. 211
Rules, Declaring Efficiency of Electrical Machinery, 843
Specifications, Ball and Roller Bearings,
597 ; Bayonet Lamp-Holders, 521 ; Colliery Tul) Parts, 79 ; Electrical Performance of Transformers. 180; Face-Plate- Starters for Electric Motors, 56; Flame- Proof Plugs and Sockets, 275 ; Insulating Oils, 16 ; Iron and Steel Telegraph Poles, 283; Naval Brass Bars and Sections, 346; Paints, Varnishes and Paint Ingredients, 64. 732, 804 ; Street Lighting, 364, 429 ; Tramway Rails, 819 ; Tungsten- Filament Lamps, 484 ; Wire Ropes for Collieries, 794 ; Wire Ropes for Cranes, 823
Standard Telephones and Cables. Ltd., Wireless Telephony Transmitter. 430
U.S. Bureau of. See United States Standardisation of Fastness of Dyestuffs, 607
on Indian Railways, 130
of Low Frequencies, Dr. D. Dye’s Method, 243*
of Permanent Way, 579. See 585 Stanton, Dr. T. E.. on Lubrication, 312*. Sec 333, 553
Star Engineering Co., Ltd.. 18-50 h.p. Six-Cylinder Motor Car, 479*
Stars. Determination of Temperatures, 509 Starkeand Hoffmann. Heat-Extraction Engine,
550*

Starters, Motor. See Motors, Electric
State Railways. See Railways
Statical Problems, Tunnels and Pressure Conduits (Review), 290
Statics, Practical, Treatise on (Review), 53
Stations, Power. See Power Stations Statistical Analyses, Forecasting Business bv,427
Character of Natural Laws, 111 Statistics, Trade. See Trade
Staybrite Steel, Concrete Reinforcement, St. Paul’s Cathedral, 134*
Steam Boats. See Steamers
Boilers. See Boilers
Consumption. See Trials.
Engines. See Engines
Exhaust, Superheater for, Marine Auxiliary Machinery (Loveridge, Ltd.), 714
Flow, Measurement in Works’ Practice, 688
Hammer. See Hammer under Machine Tools Heated Ovens, Bakers’, Failures of, 209 —
Silk-Drying Cylinder, Explosion of, 534 Heating, Heat-Extraction Engine for
Supply, 550*
High-Pressure, Application to Turbines, 610*, 728*, 763*. See 621, 687
Pressure, Increase in Power Station Efficiency, 610*
Pressure, Operating Experiences, Lakeside Power Station, 687
Pressure, Pipe Joints, and Stop Valve for, 764*
Pressure, Progress in Use of, 183*
Pressure, Use on Locomotives, 816, 823*. See 102*, 133*
Jacketed Pans, Explosions, 597
Lorries. See Motor ; Tractors
Navvy. See Excavating Machine
Pipe, Flexible, Explosion of, 534
Lagging, Pyrometers for Surface-Temperature Measurement, 319*. See Erratum, 401
Range, Rupture of Tee Piece, Report, 275
Roller. See Road Roller
Stop Valve, Mason’s High-Pressure, 60*
Superheated. Action on Cast Iron, 209
Trap Explosion, Report on, 275
Tractors. See Tractors
Trawler, Boiler Explosion on, Report, 275
Trials. See Trials
Turbines. See Turbines
Wagons. See Motor Wagons
Steamers, “ Anthracite,” “ Wanderer,” and “Irishman,” Perkins High-Pressure Steam Machinery, 184*
“ Borneo,” High-Pressure Propelling Machinery, 236, 686. See Erratum, 276
Built, Report of Lloyd’s Register, 558 under Construction. Lloyd’s Statistics, 82, 493
“ Duchess of Atholl,” Canadian Pacific Steamship Co., Launch, 682
Geared Turbines for. See Marine Propulsion
Launching of. See Launching “ Laurentic,” White Star Line, 631 Lloyd’s Register Book, 110 Lost, Lloyd’s Statistics, 275, 470, 733 "Mercer,” Pulverised - Fuel Installation
788*. See 791*. 810, 819 Propulsion of. See Marine Propulsion ;
Engines; Turbines; Propellers Resistance of. See Ship Resistance Speeds in Winter Weather, 113*
“ Valley Camp,” Sauerman Drag Scraper on, 121*
See also Engines: Marine Propulsion ; Sh ip- building; Shipping; Ships; Turbines; Warships; PARAGRAPH INDEX
See Ships ; Steamers ; Warships Steels, Alloy, Manufacture, Properties and Uses, 688, 785
Arch Bridge over River Usk, Newport, Mon.. 34*. See Addendum, 200
Boiler Plates, Brittleness in. Investigations. 216*
Plates. Cracking of (Review), 638 Case-Hardening, for Motor-Car Work. 796 Castings, Carburisation of Outer Skin. 625* — Flywheel, Tests for Soundness, 625* Corrosion. See Corrosion
Cracks in, Detection bv Magnetic Tests, 663*
Creep Stresses in. National Physical Laboratory Investigations, 39, 181*. 837*. See 44*
Embrittling Effects of Stresses at High Temperatures. 664*
Fatigue of. See Alternating Stress under Tests (Materials)
Forgings. Testing for Soundness, 624*. 663* Framed Buildings, Corrosion and Durability of Steelwork, 770
Furnaces. See Furnaces
for Gear Teeth, Tests of Wearing Properties, 665*
Heat Treatment of. See Heat Treatment under Metallurgy
Industry, Belgian, Anniversary of Cockerill Works, 461
Canadian, 557. See 691 — Czechoslovakia, 590 — United States. Economic and Social
Development. 400, 407; Technological Problems, 839
Ingots. Corner Segregation in, 624*
Testing for Soundness, 624*
Manufacture. See Metallurgy Mechanical Properties at High Temperatures, 181*, 837*. See 39, 44*. 400, 409
Melting, High-Frequency Induction Furnace for, 444, 758
Microstructure of. See Microphotographs; Metallography
Mild. Prolonged Tests at High Temperature, 400, 409
Nickel-Chromium, Investigations of Temper Brittleness, 444, 595*
Chromium and Mild, Creep Tests, 44 and Nickel-Chromium, Heat Treatment.the Aci Range, 61*
Physical Properties of. Magnetic Tests, 141
Plates, Prices. See Metal-Price Diagrams
Steel and Power Exhibition, Toronto, 398
Rails. See Rails ; Metal-Price Diagrams Rolling, Theory and Practice of (Review), 574
Mills. See Rolling Mills Ropes. See IFire Ropes Sheet, Effect of Temperature on Ductility, 755, 760*
Work Hardening of, Effect of Temperature, 755, 760*
Solution of Cementite in Alpha Iron, 446, 472*
Special, for Laminated Springs, Tests at National Physical Laboratory, 24
Use in Motor-Car Industry, 26. See 21
Staybrite, Concrete Reinforcement, St.
Paul’s Cathedral, 134*
Stress Distribution in. See Stress; Tests (Materials)
Strips and Sheets, Rolling Mills for, 839
Tests for, National Physical Laboratory Investigations, 39
Hardening by Rain of Steel Balls, Cloudburst Process, 420*. See 445. 470*
Tests of. See Tests (Materials)
Tool, High-Speed, Investigations of Hot Hardness, 755, 759*
High-Speed, Properties of, 785
Towers, Overhead Power Transmission Lines, 532*
Trade, British, Rebate to Consumers, 333
Tubes, Cold-Drawn, Heat Treatment of, 797*, 831*
Work Hardening by Abrasion, 445, 470*. See 420*
Works. See JForA-s
Steelwork. Modern, Treatise on (Review), 494 Structural, for Buildings, Report on Design. 304
Corrosion and Durability of, 770 Electrically Welded, 210*
Hamerten Bridge over River Elbe, 225*. 347*
Umbrella-Type Roof for Factory Building, 13*. See 236
Steering Damper for Motor Cars (Herbert
Engineering Co. (1924) Ltd.), 517*
Gear, Electric, Ships, Donkin-Scott, 356*
Rudder-Angle Recorder for Ships, 392* See also Motor-Car Details
Stellar Temperatures, Determination of, 509
Stephenson, R.,A Co., Ltd., 2-8-2 Type Super heater Locomotive, Kenya and Uganda Railway, 198*
Stereoscopic Photographs, Atomic Structure of Crystals, 780
Stevens, J. F., on the Panama Canal, 250
Stevenson, A. W , on Worsted Spinning, 606
Stevenson Creek, Experimental Dam, Investigation of Deflections and Stresses, 101
Stillman, T. B., on Pulverised Coal for Marine Boilers, 820*. See 788
Stirling Boiler Co., Ltd., Boiler Plant, Ferrybridge Power Station, 529*
Stodola, Dr., Tests of Zoelly Turbine, 579
Stoke-on-Trent Power Station, Extension, 621
Stoker, Coking, Gritless Type, for Lancashire
Boilers (E. Bennis A Co., Ltd.). 674
Mechanical, Duplex, for Locomotives, 103*.
See 133*. See also 816*, 823*, 855*
Ram Type, Doby, Lancashire Boilers, 778*
Stoller. H. M., on Television. 248*. See 241
Stone, J.. and Co.. Ltd., Fusee-Type Ships’ Window, 312*
Stone, Building, Fire-Resisting Properties, S32
Crusher, Hadflelds’ Disc Type, 727
Stop Valves. See Valves
'Storage Battery. See Accumulator under Electric
Story, Prof. F., on the World’s Timber Supply, 573
Stothert A Pitt, Ltd., Cargo-Handling Cranes,
Gladstone Dock. 73*. See 115; Burn
Reducing and Reversing Gear, 342* ;
Conveyors for Colliery Use. 676*
Straightening Machine. See J/crcAtne Tools
Strain Measurements, Experimental Arch Dam, 192*
See also Stress
Straub, F. G., on Embrittlement of Boiler
Plates, 216*
Stream Lines Round Elliptic Cylinder, 86* Filter, Prevention of Oil Contamination
of Sea Water, 815
Street Accidents, Frequency, Cause and Prevention, 732
Cleansing, Motor Wagons for 534*, 643* Lighting of Brighton, 364
Efficiency in, 364, 429
as an Illumination Problem, 647
in London. 647
Standard Specification for, 364, 429 and Traffic Problem, 364, 429
Paving, Granite Setts, Holland Tunnel. New
York. 738* ; Tamping Machine for, 725* Railway. See Tramways See also Roads
Strength of Materials. See Stress and Tests (Materials)
Stresses, Alternating and Combined. See Tests (Materials).
Centrifugal, in Turbine Rotors. 625*
Creep, Iron and Steel, National Physical
Laboratory Investigations, 39, 181*. 837*. See 44*
Distribution in Airships, 145
in Experimental Arch Dam, 191*
in Ferro-Concrete. Effect of Plastic Yield
and Shrinkage, 586, 661 Repetitions. See Alternating Stress under Tests (Materials)
in Rotating Discs, Steam Turbines, 764*
Shearing, in Ferro-Concrete Beams, 413. 563*
in Ship-Launching Drag Wires, 65
Temperature, in Tubes, Calculation of, 443*
Strikes. See Labour
Strips, Steel, Rolling Mills for, 839
Tests for. National Physical laboratory
Investigations, 39
Structural Design, Deformations and Stress Distribution in Airships, 145
Practical Statics (Review), 53

Structural Engineering Scholarships, London Polytechnic, 266
Engineers, Institution of, Report on Design of Steel-Framed Buildings, 304
Steelwork. See Steelwork Structures, Ferro-Concrete. See Ferro-Concrete
Marine, Deterioration of, 49, 475, 847
Masonry, Treatise on (Review), 132
Vibrations of, National Physical Laboratory Investigations, 23
Wind Pressures on, National Physical Laboratory Investigations, 23*
Struts. See Columns
Submarine Boats. See Warships
Submerged Combustion, Possible Uses, 754
Electric Log for Ships, 391*
Subsidy-Type Six-Wheeled Motor Lorries,
Vulcan, 694* ; Albion, 696*
Suction Dredger. See Dredger
Gas Plant, Berliet-Imbert System, for Motor Road Roller, 643*
Plant for Motor Lorry (Automobiles M. Berliet). 706 •
Plant. Parker, Agricultural Tractor, 54*
Suez Canal and Trade Routes for Motor Ships, 39S
Sugar Plantations, Rotary Plough for, 662
Sullivan Machinery Company, Coal Cutter, 708
Sulphur Dioxide, Properties of, 212
Printing, Tests of Forgings for Electric Generators, 625*
Sulphuric-Acid Works, Report on, 188
Sunderland Forge and Engineering Co., Ltd.,
Electric Winches, 359*
Sunlight, Action on Cotton, 607
Super-Micrometer (Pratt A Whitney Co.), 747*
Pressure Steam Turbine, 480-kw., De Laval, 164*
Tension Cables. See Cables under Electric
Supercharger, Cozette, Motor-Car Engines, 518
Superhardening of Steel, Rain of Steel Balls,
Cloudburst Process, 420*. See 445, 470*
Superheated Steam, Action on Cast Iron, 209
Superheater, Cruse-Gray, for Locomotives, 386*
for Exhaust Steam, Marine Auxiliary Machinery (Loveridge, Ltd.), 714 Locomotive. See Locomotive
Superheating, Locomotives, Effect of Speed, 817*
Superphosphates, Chemistry, Manufacture and Applications (Review), 178
Supervising Electrical Engineers, Association of, Economic Premiums Competition, 204
Surface Condensers. See Condensers
Plates, Tests at National Physical Laboratory, 273
Temperature Measurements, Pyrometers for, 319*. See Erratum, 401
Survey, Physical and Chemical, Coal Resources, 193
Surveying, Photographic, from Aircraft, Canada,240
Surveyors, Field Astronomy for (Review), 53
Suspension Bridge, Delaware River, Philadelphia, 576
Menai Straits, Proposed Replacement, 8*
Sutherland, W. C., on the Pilger Tube Mill,Pittsburgh Steel Products Co., 10
Sutton, H., on the Protection of Aluminium
and its Alloys against Corrosion, 376*.
See 385 ; on the Anodic Oxidation of Aluminium, 442. See 385
Svenska Turbiufabriks Aktiebolaget Ljung- strom, 10,000-14,000 kw. Turbo-Generator, 411*, 507*, 542*. See LETTER, 654
Swansea, University College, Prospectus, 369
Docks, Use of Sauerman Drag Scraper, 121*
Sweating Plant, Barley, Robertson-Galland, 629
Sweden, Vasteriis Power Station, Forsblad Boiler, 436*
Swedish Cycle Factory, Scientific Management in, 366
Sweeping Machine, Road, Motor (Lacre Motor Car Co., Ltd.), 726
Swift. H. W., on the Strength of Cast-in Joints, 215*. See Erratum, 232 ; Testing Apparatus for Belts, 438*. See 401. See also LETTERS, 744
Swindin. N.. on Submerged Combustion, 754
Swing Bridge. See Bridge
Swiss Federal Railways, Results of Electric-
Working, 491. See LETTER, 562; Reconstruction of Le Day Viaduct, 767*.
Switches, Motor-Starting. See Motors, Electric Switchgear and Cowans, Ltd., Exhibits at
Cardiff Exhibition, 676* for Alternating Current, Design of, 350. 467* Circuit Breakers, High-Tension, Tests of, 461 —Breakers, Oil-Immersed (Switchgear A
Cowans, Ltd.), 676* ; (Diamond Coal Cutter Co., Ltd.), 711*
Breaker Problems, 460 Breakers. Rupturing Capacity, 468
Colliery, Ring-Type Flame-Proof Pressure
Relief, 762 . and Controlling Gear (Review), 69 Flame-Proof Draw-out Switch Pillar (A. Reyrolle A Co., Ltd.), 708*
Ironclad Draw-out Type (Switchgear A Cowans, Ltd.), 676*
Walchensee Hydro-Electric Plant, 255* Sydney Harbour Bridge, Construction of,
Charging Machine for Plate - Heating Furnace. 136*
Metropolitan Railways, Electrification, Permanent Way, Signalling and Rolling Stock, 125*, 195*. 231*
Synchronising System, Television Apparatus, 248*. See 281*
Syria, Agricultural Implement Trade, 244 Systems, Shop. See R’orAs Management

T

TABULATING Results. Heat-Engine Trials, Report on, 239
Taf Fechan Reservoir, South Wales, 110*, 125*. See 144
Talbot, Clement., Ltd., 14-15 h.p. Six-Cylinder Motor Car, Details of, 4 78*
Tamping Machine for Granite Setts, 725*
Tamping Machine, Trench (B. Johnson and Son), 690*
Tangential Water Wheels. See-Pelton Wheels Tanks, Experimental, British and Foreign, Data of, 800
Japanese Admiralty, 801
Proposed Italian, 800
William Froude, Work of, 146* ; Value to Shipbuilders, 245
See also Ship Models ; Ship Resistance Experiments, Screw Propellers, Analysis of Efficiency, 113, 119*
Screw Propellers, Comparisons, 147*
Ship Resistance, Effect of Waves, 146 Locomotive. See Locomotive Nickel, for Breweries, 630
Ships, Motor. See Motor Steamers. See Steamers
Tangyes, Ltd., Single Ram Pumps. 727;
Hydraulic Jack for Motor Cars, 757*
Tap and Reamer Holder (Atalanta, Ltd.), 356* Tapes, Measuring, Invar, National Physical
Laboratory Investigations, 273 Tar Extractor, Smith Spun-Glass Filter Type,563*
Macadam Drying and Mixing Machine, Jacta (Goodwin, Barsby and Co., Ltd.), 725*
Softening Plant (Barford A Perkins,Ltd.), 643*
Peat, Use in Diesel Engines, 194 Spraying Machines (A. Schars), 726 ; i(T.
Coleman A Sons, Ltd.), 726 — Machine with Grit-Spreading Attachment (T. Coleman A Sons, Ltd.), 726 Tasmania, Hydro-Electric Power in, Working
Results, 274
Taxation, Motor Car, Administration of Road Fund, 586
Car, Statistics, 139
Taylor, A. J. T., on the Industrial Engineer, 494
Taylor, J. L., on Stresses in Launching Drag
Wires, 65
Taylor System, American Textile Machinery
Factory, Working Results, 366 Teaching. See Education Technical College and Education. See Education
Societies. See Institutions and PARAGRAPH
INDEX
Tee Piece, Steam-Pipe Range, Rupture of, 275 Teeth, Gear. See Gear
Telegraph Pole3, Iron and Steel, Standard
Specifications, 283
Telegraphy, Wireless, Attenuation of Waves, 786
Auto Alarm Apparatus for Distress
Signals (Radio Communication Co., Ltd.),
321*. See 630: (Marconi International
Marine Communication Co., Ltd.), 355* ;
(Siemens, Brothers A Co., Ltd.), 355*
Direction Finding, National Physical
Laboratory Investigations, 244 Direction Finding, Report, 587 Indian Beam Service, 295 Marconi 14-kw. Transmitter, 354*
Piezo-Electric Oscillators. See Piezo-
Electric
— 0-5-kw. Quenched-Spark Transmitter
(Radio Communication Co., Ltd.), 332* — Television Apparatus, 282*. See 247* — Use on American Airways, 306 — Work of National Physical Laboratory,
244
— See also Valves, Thermionic
See also Electricity in PARAGRAPH INDEX
Telephone Frequencies, Standardisation, Dr.
D. Dye’s Method, 243*
System, Automatic, London, Holborn
Mechanical Tandem Exchange, 452* ;
Holborn Automatic Exchange, S54* Telephony, Wireless, Apparatus at National
Radio Exhibition, 430 Attenuation of Waves, 786 Broadcast Transmitters at Radio Exhibition, 430
London Broadcasting Station, Measurements'of Signal Strength, 786
Marconi 250-watt Transmitter for
Ships, 354*
Piezo-Electric Oscillators, See Piezo-Electric.
Transatlantic, Report on. 46 — Work of National Physical Laboratory, 244
See also Valves, Thermionic
See also Electricity in PARAGRAPH TNDEX
Television System, American Telephone A
Telegraph Co., 247*, 281*
Telford Suspension Bridge, Menai Straits,
Proposed Replacement, 8*
Temper Brittleness, Nickel-Chromium Steels,
Investigations, 444, 595
Temperature-Control Apparatus, Gas and
Electric (R. Maclaren A Co., Ltd.), 746*
Automatic, Electric Furnaces (Automatic and Electric Furnaces, Ltd.), 356* Flame, Methods of Measuring, 211 Measurement. See Pyrometers; Thermometers
Regulator. Automatic, Hydrostatic Type
(Cambridge Instrument Co., Ltd.), 319
Stellar, Determination of, 509
Stresses in Tubes, Calculation of, 443*
Tempering. See Heat Treatment under Metallurgy
Tenders, Locomotive. See Locomotive Tensile Tests. See Tests (Materials)
Teonge, Henry, Diary of (Review), 52
Teredo, Destruction of Marine Structures by,49, 475, 847
Ternary Alloys. See Alloys under Metallurgy Terminal, Locust Point, Baltimore and Ohio
Railroad, Grain-Handling Equipment, 637*, 701*
Tester, Dionic, for Boiler-Feed Water, 323*
Resistance of Earth Circuits, Megger, 323* Testing Apparatus, Moisture, for Grain, 154*
— Power Transmission by Belts, 401, 438*.
See LETTERS, 744
Shock, Electric Lamps, 594*. See 350 Machine, Alternating-Stress, Wohler Type,
Tests of Steel Tubes, 799*. See 831*
Testing Machine for Brake-Lining Materials,
National Physical Laboratory, 39*
See also Tests (Materials)
Materials, American Society for, Papers on
Magnetic Testing, 141 ; Embrittlement of Boiler Plates, by Prof. S. W. Parr and F. G. Straub, 216* ; Wear Testing of Metals, by H. J. French, 279
Plant, Locomotive, Altoona, Tests of Baldwin Three-Cylinder Compound Locomotive, 816*, 823*, 855*. Sec 102*,133*/ 814, 818
Thermometers, Oil Bath for, 211*
See also Tests (Materials); Trials Tests, Aeronautical. See Aeronautics
Corrosion. See Corrosion
10,000-14,000 kw. Ljungstrdm Turbo-Generator, 542
Locomotive, Caprotti Valve Gear, L.M.S. Railway, 292*
Magnetic. See Magnetic

Tests (Materials):

Abrasion Tests, Aluminium Alloys, 666* Steel for Gear Teeth, 665*'
Alternating-Stress Testing Machine, Wohler Type, Tests of Steel Tubes, 799*. See 831*
Tests, Aluminium Single Crystals, 38*
Tests, Armco Iron and Steel at High Temperatures, 182*, 837*
Tests, Cast Iron, 827*
Tests, Steel Tubes, Effect of Heat
Treatment, 799*, 831*
Torsional Fatigue Limits, 33*
Bendidg Tests, Steel Tubes, Effect of Heat Treatment, 833*. See 797*
Boiler Plates, Tests at Various Tempera- turcs 140
Cast-In Joints, Tests of Strength, 215*. See Erratum, 232
Cement-Consistency Tests, Vicat Needle with Dashpot, 417*
Compression Tests, Steel Tubes, Effect of Heat Treatment, 797*, 832*
Creep Stresses, Iron and Steel, National Physical Laboratory Investigations, 39, 181*, 837*
Tests, Nickel-Chromium and Mild Steel, 44*
Disintegration Tests, Blast-Furnace Slag, 280
Ductility, Sheet Steel, Effect of Temperature, 755, 760*
Engineering Materials, Testing, Berlin Exhibition and Conference, 734
Fireclay Bodies, Unflred, Crushing Strength, 451
Flattening Tests of Steel Tubes, 833*. See 797*
Hardness Tester, Pendulum, Investigations of Hot Hardness and Work- Hardening, 759*. See 755
Tests, Armco Iron and Steel, at High Temperatures, 182,* 837*
Brinell. Lead-Tin Bearing Metals, 375*. See 367
National Physical Laboratory Investigations, 24
Pendulum and Diamond. Hardened Steel, 420“, 470*. See 445
Steel Tubes, Effect of Heat Treatment, 799*. See 831*
Impact Tests, Coil-Binding Rings, Electric Generators, 624
Notched-Bar, Armco Iron and Steel at High Temperatures, 182*, 837*
Magnetic Materials, Properties and Testing (Review), 835
Tests. See Magnetic.
Mechanical Testing of Materials. 623*. 663* Notched-Bar Impact Tests. See Impact Tests (above)
Shock-Testing Apparatus for Electric Lamps, 594*. See 350
Steel, Embrittling Effect of Stresses at High Temperatures, 664*
Stresses in Materials and Structures. See Stress
Strip Steel, Tests for. National Physical Laboratory Investigations, 39
Tensile and Bending Tests, Coil-Binding Rings, Electric Generators, 624
Tests, Forged Steel Rotors, 624
Tests, High-Temperature, Armco Ironand Steel, 181*, 837*
High Temperature, Testing Machine and Test Piece for, 664*
Mild Steel, Prolonged, at High Temperature, 400, 409
Steel Tubes, Effect of Heat Treatment, 797*. Se6 831*
Testing Machine, Alternating-Stress, Wohler Tvpe, Tests of Steel Tubes, 799*. See 831*
for Brake Lining Materials, National Physical Laboratory, 39*
Torsion Tests, High Temperature, Armco Iron and Mild Steel, 181*. See 837*
Steel Tubes, Effect of Heat Treatment, 799*, 833*
Torsional Fatigue Limits, Alternating Stress, 33*
Wear Testing of Metals, 279, 665
Wohler-Type Testing Machine, Tests of Steel Tubes, 799*. See 831*
Wool Fibres, Testing of, 607
Tests, Pulverised Coal, Babcock and Wilcox
Marine Boilers, 820*. See 788 Coal for Marine Boilers, Philadelphia
Navy Yard, 791*. See 788*, 810, 819
Zoelly Turbine, Wehrden Power Station, 579
Texas, Spindletop Oilfield, Composition of Crude Oil, 218
Text Books. See LITERATURE INDEX Textile Analysis, Use of Ultra Violet Light, 607
Fabric Piping, Dupont Ventube, 711
Industry, Action of Sunlight on Cotton, 607 — Air Conditioning and Hygrometry in, 607 Chemical Aspects of Wool Research, 607
Textile Industry, Czechoslovakia, 590
Higher Drafts in Worsted Spilling, 600
Properties of Artificial Silk, 607
Standardisation of Fastness of Dyestuffs, 607
Testing of Wool Fibres, 607 Water Absorption by Wool Fibres, 607
Machinery, Chinese Market, 29
Factory, American,Working Results with Taylor System, 366
Theory of Machines (Review), 739
Thermal Conductivity of Quartz, Determination, 212
Treatment, Metals. See Heat Treatment under Metallurgy
Thermionic Valves. See Valves; Telegraphy, Wireless ; Telephony, Wireless
Thermocouples, Copper-Constantan, E.M.F. at High Temperatures, 838*
Type Pyrometers, Use in Works and Laboratories, 858
See also Pyrometer.
Thermodynamics, Heat-Engine Trials, Tabulating Results, 239
High-Pressure Steam, Increase in Power Station Efficiency, 610*
Pressure Steam, Operating Experiences, Lakeside Power Station, 687
Pressure Steam, Progress in Use, 183*
Steam Pressures, Application to Turbines,
610*, 728*, 763*. See 621 Internal-Combustion Engines, Ideal Efficiency of, 351, 371*
Mollier Chart for Ammonia, 87
Steam Turbines, Advantages of Regenerative Feed Heating and Re-Heating, 610
Thermometers, Electrical, Distance, for Air
Temperatures (Siemens, Brothers and Co. Ltd.), 550*
Testing, Oil Bath for, 211*
See also Pyrometer
Thomas, H. K., on the Effect of the Automobile
Industry on the Midlands,'26. See 21 Thor Lamp and Supplies, Ltd., Safety Lamps for
Shafts and Roadways, 674*
Thornycroft, J. I., <fc Co., Ltd.. Chilian Navy
Destroyers, 236; Propelling Machinery,
Brazilian Scout Cruisers, 327* ; 35-40 h.p. Petrol or Paraffin Marine Engine, 357* ;Motor-Coach Chassis, 703*
Thorpe, W. H., on Welded Structural Steelwork, 210*
Thread Recorder for Pyrometers (Cambridge Instrument Co., Ltd.), 319*
Three-Phase. See Generator; Motor; Locomotive ; Power; Railway Threshing Machine, Electrically Driven (Ransomes, Sims and Jefferies, Ltd.), 43*
Throttle Valve. See Valve
Thrust-Boring Machine Pipe and Cable Laving
(Hydraulic Engineering Co., Ltd.), 690
Bearing. See Bearing of Propellers. See Propellers ; Aeronautics
Tiber, Roman Roads in Valley of, 573
Tiering Truck, Electric Battery, 318
Tilling-Stevens Motors, Ltd., Six-Wheel Petrol-Electric Omnibus, 656*
Timber, Air Seasoning and Conditioning of, Report, 774
in Constructional Work (Review), 508
Deterioration and Protection in Sea Water, 49, 475, 847
Effect of Creosoting on Strength, 475
Fire-Resisting Properties, 332
Piles, Destruction in Australian Harbours, 847
World’s Supply and Consumption, 573
Tin Alloys. See Alloys under Metallurgy
and Tinplate Prices. See Metal-Price Diagrams
Tipping Truck, Petrol-Driven, Tructractor, 689
Tippler, Automatic, for Colliery Tubs (Nortons
(Tividale), Ltd.), 673*
Wagon, for Spoil Heaps, Hamilton, 678*
Tools, Cutting, High-Speed Steel, Investigations of Hot Hardness, 755, 759*
Research Committee, Institution of
Mechanical Engineers, Report on Cutting Temperatures, 755, 759*
Machine. See Machine Tools Pneumatic. See Machine Tools Steel. See Steel
Trade, Census of Production Statistics, 179 Toothed Gears. See Gear ; Gearing; Marine
Propulsion ; Motor-Car Details Toronto, Engineering Exhibitions at, 398 Torpedo Boats and Destroyers. See Warships Torsion Tests. See Tests (Materials)
Torsional Fatigue Limits, with Repeated Stresses, 33*
Towers, Steel, Overhead Power-Transmission Lines, 532*
Town Gas. See Gas
Track Construction, Sydney Metropolitan Railways, 195*
Traction, Electric. See Raihcays ; Tramways Engine, Steam (W. Foster and Co., Ltd.), 76
Tractor, Agricultural, with Heavy-Oil Engine (Locomobile Engineering Co., Ltd.), 77* with Parker Gas Producer, 54*
Pavesi System, Four-Wheel Drive (Armstrong-Siddeley Motors, Ltd.), 705*
Chain-Track, with Excavating and Loading
Machine (Denholm Contractors Machinery Co., Ltd.), 646*
Track, and Rotary Plough (J. Fowler, and Co. (Leeds), Ltd.), 662*
Fordson, with High-Lift Loading Shovel, 645*
Petrol, with Tipping Truck (Millars Machinery Co., Ltd.), 689*
Road, Steam (Aveling and Porter, Ltd.), 75
Trade, Agricultural Implement, Syria, 244
Canadian Market for British Machinery-, 398, 751
Czechoslovakia, Report, 589 Disputes. See Labour Egyptian Market for Machine Tools, 138 Electrical, Effect of Combines and Trusts,
269. See 331, 431 Position and Prospects, 561
Engineering, and Foreign Competition, 619 Past and Present Positions, 619

Trade Exhibition. See Exhibition
Export. Motor Car, Development of, 476 Forecasting Business by Statistical Analyses,
427
Foreign, Export Credits Guarantee Scheme, 459
Import, and the Merchandise Marks Act, 327. 402
and Industries of Italy. Report on, 175 Machinery, Chinese Market, 29
Market in Japan 103
Marks and the Merchandise Marks Act, 327, 402
and Patents in Irish Free State, 433 Netherlands, Report on, 271
Routes, Elfect of Motor Ships on. 398 Seaborne,in European War (Review), 213
Statistics, Board of Trade, Use in Forecasting Trade Conditions, 428
Steel, British Rebate to Consumers. 333
Tools, Implements and Cutlery, Census of
Production Statistics, 179 Unions. See Labour
Traffic Advisory Committee. London and
Home Counties. Report, 555 Trust, Metropolitan, Proposed, 555
Trailing Cables. Safety Plug for Connecting Hopkinson), 710*
Training. See Education
Tram Road, Early, in South Wales, Trevithick Relic, 144
Tramways and Light Railways in British Isles, 648
and the London Traffic Problem, 555 Melbourne, Concrete Sleepers for, 426 and Motor Omnibuses, Need for Co-Operation, 731
Rails. Standard Specification, 819 See also PARAGRAPH INDEX
Transatlantic Wireless Telephony, Report, 46 Transformers, Electrical Performance of, standard Specification, 180 High-Tension, Connection of Measuring Instruments. 243*
Voltage Regulation, Power Transmission Lines, North East Coast, 90*
Transmission Dynamometer, Belt-Testing
Apparatus. 401. 438.* See LETTERS. 744 Gear, Hydraulic, Hele-Shaw Beacliam,
Crane Brake and Electric Capstan, 393* Spontan. for Motor Cars, 658*. See
LETTER.754
See also Gear : Gearing ; Marine Propulsion ; Motor-Car Details
of Power. See A/anne Propulsion ; Power Transmission
Transmitter, Fottinger, Use with Combined Reciprocating Engine and Exhaust-Steam Turbine, 813
Transport. Aerial. See Aeronautics Appliances for Farm Use, 372*, 401
Army. Motor Vehicles for, 652 Inland, in Great Britain, Development of, 577. See 585
Institute of. Presidential Address, by R. T. Smith, on Railway Electrification, 491. See LETTER, 562
Marine. Effect of Motor Ships on Trade Routes, 398
in European War (Review), 213
Ministry of. Reconstruction of Newport Bridge, 34*. See Addendum. 200 : Report of London and Home Counties Traffic Advisory Committee, 555
Modern, Non-Ferrous Metals in. 335
Motor. See Road ; Motor
Passenger, London Area, Proposed Traffic Trust, 555
Railway. See Railway
Roads ' and Public Works Exhibition,
Royal Agricultural Hall, 642*, 688*, 725*. See Erratum, 780. See also Public Works Congress
See Road; Motor
Transporters, Ltd., Hamilton Wagon Tippler, 678*
Transverse Tests. See Tests (Materials) Travelling Crane. See Crane Trawler, Steam, Boiler Explosion on, 275 Trench, E. F. C., on Inland Transport, 577. See 585
Trench-Excavating Machine (J. Allen and Son (Oxford), Ltd.), 725*
Machine on Chain-Track Tractor (Denholm Contractors Machinery Co..Ltd.),646*
Machine, with Petrol-Paraffin Engine (Ruston <fc Hornsby, Ltd.), 643*
Tamping Machine (B. Johnson <fe Son), 690
Trenton, N. J., Sewage Treatment Works, 721 Trevithick Relic, Early Tram Road in South Wales, 144
Trials, Heat-Engine, Tabulating Results, Report on. 239
10,000-14,000 kw. Ljungstroin Turbo-Generator, 542
Locomotive with Caprotti Valve Gear, L.M.S. Railway. 292*
Motor Wagon with Bagnulo Heavy Oil Engine, 561
Zoelly Turbine, Wehrden Power Station, 579
See also Tests
Triestino, Cantiere Navale, M.S. “ Saturnia.” 455*
Triestino, Stabilimento Tecnico. Diesel Engines for M.S. “ Saturnia,” 455*
Triple-Expansion Engines. See Engines, Steam
Triumph Motor Car Co.. Ltd., 7 -9-h.p. Car, 477
Trolley Truck, Petrol-Driven (R. A. Lister Co.. Ltd.), 689
Troop, R. S., on Drying Clay, 451 frost, O., the Late, 592 Trucks, Railway. See Wagons
Tiering, Electric Battery. 318*
Tipping. Petrol-Driven. Tructractor, 689*
Trolley, Petrol-Driven (R. A. Lister <fe Co., Ltd.), 689
Tructractor Petrol-Driven Tipping Truck, 689* Trusts and Combines, Electrical Industry, 269.
See 331, 431
Industrial, Need for, 331 Tubes, Condenser. Copper Alloys for. 335
Making Plant, Pittsburgh Steel Products Co., 10
Tubes, Mill. Kennedy, Coal Pulverising, 792*.See 788
steel. Cold-Drawn, Heat Treatment of. 797*, 831*
Temperature Stresses in, Calculation, 443* See also Pipes
Tubs. Colliery, Automatic Tippler for (Nortons (Tividale). Ltd.). 673*
Standard Specifications for Parts, 79
Tubular-Frame Motor-Car Chassis, Austro Daitnler, 762*
Tungsten Lamps. See Lamps under Electric.] Powder. Grain Growth in, 368 Steel. Properties and Uses, 688
Tunnel. Canal, Villalba Power Plant, Spain, 101*
Cascade, Great Northern Railway, United States, 214
Holland, under Hudson River, New York, 601*. 667*, 735*
and Pressure Conduits, Statical Problems (Review). 290
Tunnelling under Mountains, Treatise on (Review), 290
Turbine, Compressed-Air, and Fan, lor Colliery Use (Mining Engineering Co., Ltd.), 711*
Air, Miners’ Electric Lamp, 709*. See Erratum. 781
Exhaust-Steam. Geared to Reciprocating Engine Shaft, Marine Propulsion, 813
Hydraulic. 18,000-h.p. Double-Flow’ Francis type. Walchensee Hydro-Electric Power Plant. 417*. See 255*. 449*
Impulse Tvpe, Governing Gear (P. Pitman), 106*
Hydrodynamic Theory of, 294*, 405* 1*8.000-1).p.. Pelton-YVheel Type. Wal
chensee Hydro-Electric Power Plant, 449* See also 'Power Plant
Pumps. See Pumps, Centrifugal Steam. Advantages of High Pressure, 610*,
728*. 763*. See 621 Advantages of Regenerative Feed Heating and Re-Heating, 610*
Blading for. See Blading Centrifugal Stresses in Rotors. 625
Designfor High Pressures, 613*.728*,763
Disc Forgings. Tests for Soundness, 625* Erosion of Blading, 651
Failures due to Blade Strips, 209 High-Pressure, for Benson Boiler Plant, 729*. See 611
60.000-kw., High-Pressure, Crawford
Avenue Power Station, 613*
High-Pressure, Geared, De Laval Type,
Fors Aktiebolaget. 730*
10,000-kw. High-Pressure, Edgar Power
Station, Boston, 728*
000-kw. High-Pressure Geared Type,
(Escher, Wyss A C’o.), 729*
2,500-kw. High-Pressure Geared Type,
Valiev Road Power Station, Bradford, 729* 70.000-kw. High-Pressure, Klingenberg Power Station, 728*
High-Pressure, Langenbrugge Power Station, 729*
Hydrodynamic Theory, 500 Ljungstrom, Development of Design. 411 10,000-14,000 kw. Ljungstrom, Leghorn
Power Station, Details of Construction, 411*. 507*, 542*. See LETTER. 654
Ljungstrom Turbine Locomotive (Beyer, Peacock <fe Co., Ltd.), 771*. 801*
Magnetic Tests of Rotors, 142 Marine, Geared. See Marine Propulsion Marine, Sperry Revolution Indicator and Counter, 319*
Radial, Flow, Velocity-Compounded,
Impulse Tvpe, the Roth (Scott <fe Hodgson, Ltd.). 422*
Stresses in Rotating Discs. 764*
480-kw\, Super-Pressure. De Laval. 164*
000-kw. Zoelly Type, Tests of (Escher, Wyss <fe Co.), 579
See also Turbo-Generators Steamers. See Steumers ; Warships
Turbo-Generator, Anti-Vibration Foundations for. 260*
Centrifugal Stresses in Rotors, 625* 19,000-kw., Ferrybridge Power Station, 529* T ,
10,000-14,000 kw. Ljungstrom, Leghorn
Power Station. Details of Construction, 411*. 507*. 542*. See LETTER, 654
Rotors, Testing for Soundness, 624*, 664* 480-kw., Super-Pressure, De Laval, 164* 11.000-kw. Zoelly Type, Tests of (Escher, Wyss and Co.), 579
Turner, F. C.. on a Thermionic-Valve Type Voltage Regulator. 537*. See 351
Turner, K. B., on Reconstruction of Railway Swing Bridges, 779
Turner, T. H., on the Influence of Nickel and Silicon on an Iron-Carbon Alloy. 444
Turner, Prof. W. E. S., on Physics in the Glass Industry, 7
Turret Lathes. See Lathes under Machine Tools Twist-Drill Grinder. See Grinding Machine under Machine Tools

U

UGANDA and Kenya Railway, Locomotive for, 198*
Ulander, P. H. N.,on Air Preheating for Boiler Furnaces, 718
Ultra-Violet Light, Use in Textile Analysis, 607
Umbrella-Type Roof, Factory Building, 13 See 236
Undercooling of Aluminium Alloys, 336
Unemployment. See Labour
Unions, Trade. See Labour
United Machine Tool Co., Ltd., Braun Lathe and Schmaltz Drill Grinder, 389
States Airways. Progress and Prospects, 306 Bureau of Mines, Composition of Crude
Oils in Texas and Venezuela, 218 ; Diamond Drilling for Oil, 246; Effects of Corona Discharge on Petroleum, 201 ; Flotation of Oxidised Ores, 200 ; Investigations of Dust in Collieries, 204 : Memo-randum on Manganese Supplies, 87; Methods of Producing Flowing Wells and Effect on Gas-Oil Patios 85R ; Petroleum Production in the United States, Statistics, 421 ; Precipitation of Gold and Silver from Cyanide Solutions on Charcoal, 252 ; Report on Dust Respirators, 279 ; Report on Bowie-Gavin Cracking Process, 148; Report on Diamonds for Rock Drilling, 120; Report on the Removal of Paraffin from Petroleum Wells. 91 : Wire Saw in Slate Quarrying, 506
United States Bureau of Standards, Investigations of Properties of Rubber, 826
Expert Evidence in Lawsulte, 143 Fort Frederick Building, Albany, Moving to New Site, 202*
Great Nortiiern Railway, Cascade Tunnel, 214
and Industrial Development of Canada, 751
Iron and Steel Industry, Economic and Social Development, 400, 407; Technological Problems, 839
Navy. See United States under JUar- ships
Petroleum Production, 244, 254, 421
Port of New York, 286*, 381* ; Philadelphia, 495*, 539*, 575* ; Baltimore, 635*.701*, 829*
Railways. Locomotives, Tendencies in Design, 823
Railways. See Railways ; Railroads
Scientific Management in, 366
Shipping Board, Tests of Pulverised Fuel, Marine Boilers, 791*. See 788*, 810, 819
Use of Great Western Railway Locomotive in, 754. See 56*, 87
Use of Shells and Marl in Cement Manufacture, 143
Water Supply and Sewage Pollution of Lake Michigan, 492
See also American
Universal System of Machine Moulding and Machinery Co , Ltd., All-Steel Pulley Blocks, 323*
University College Hospital, London, Heating Installation, 1*
London, Centenary Celebrations, 19 Faculty of Engineering, Prospectus, 369* ; Faculty of Engineering, Scholarships and Awards, 410 ; Prospectus. 582
Swansea, Prospectus, 369 Correspondence College Calendar and Guide, 369
of Illinois, Investigations of Acoustics of Auditoriums, 105; Measurement of Air Flow in Mines, 536
of Leeds, Experiments on Whirling Speeds of Shafts, 415, 474*. See LETTERS, 484, 526
See also Education
Unstratified Mineral Deposits, Working of (Review), 638
Upper Atmosphere. See Atmosphere
Usk, River, Road Bridge over, at Newport, 34*-
See Addendum, 200

VACUUM - BREAKING Valve, Condensing Plant, Ljungstrom Turbo-Generator, 508*
Concrete Mixer for De-Aerated Concrete (Metal Trades Technical, Ltd.), (589*
Vacuum Power, Ltd., Automatic Vacuum Oil Lamp, 107* Pump. See Pump
Servo-Gear, Dewandre, Motor-Vehicle Brakes, 69(5*Tube. See Rontyen Rays; Telegraphy,
Wireless; Telephony, Wireless; Valves, Thermionic
“ Valley Camp,” S.S., Sauerman Drag Scraper on, 121*
Valley Road Power Station, Bradford, High- Pressure Geared Turbine, 729*
Vallorbe, Switzerland, Reconstruction of Le Day Viaduct, 767*
Valve Gear, Caprotti, Locomotives, Comparative Tests, L.M.S. Railway, 292*
Walschaert, Baldwin Three-Cylinder
Compound Locomotive, 134*. See 103*. See also 816*, 823*, 855*
Governor, Ljungstrom Turbo-Generator, 507*. See LETTER. 654
Nozzle, Quick-Action, for Petrol Pumps, MacLeod, 214*
Penstock, Walchensee Hydro-Electric Power Plant, 229*
Piston, Locomotive, Centrifugal Castings for Bushings. 580*
Seat Re-Facing Tool, Motor-Car Engines, 134*. See Erratum, 205
Sleeve, Burt-McCullum System, Karrier
Motor-Omnibus Engine, 704*
Stop and Emergency, Ljungstrom Turbo-Generator, 508*
for High Steam Pressures, 764*
for High Temperatures and Pressures
(Victory Valves, Ltd.), 322*
Steam, Mason’s High-Pressure, 60*
Thermionic, Four-Electrode, Screen-Grid Type, 430
New Types at Radio Exhibition, 430
Television Apparatus, 250*, 281*
Use as Voltage Regulator, 351*, 537*
See also Telegraphy, Wireless; Telephony, Wireless Tower, Taf Fechan Reservoir, 127*. See 116*, 144
Vacuum-Breaking, Condensing Plant,
Ljungstrftm Turbo-Generator, 508* and Valve Gear. See also Engines Vandervell, C. A., and Co., Ltd., Signalling Lamp,
Buoyant Light and Lighting Dynamo, 352*
Variable-Speed Gear. See Gear; Motor-Car Details
Varnishes and Paints, Standard Specifications, 64, 732, 804
Vaster as Power Station, Forssblad Boiler, 436*
Vauxhall Motors, Ltd., 20-60 h.p. Six-Cylinder Car, 513*
Vee-Notch and Rectangular Weirs, Flow Recording (Lea Recorder Co.. Ltd.) 712*
Venezuelan Petroleum, Composition of, 218
Ventilation Arrangements, Holland Tunnel. New York, 603*
Colliery, Dupont Ventube Fabric Piping, 711 Mine, Measurement of Air Flow. 536
Venturi Meter, Measurement of Air Flow, Tests of Commercial Types, 52 Variation of Discharge Coefficient, 7*.
See LETTERS, 838
Verschoyle Mandrel, Hand-Operated Lathe. 520
Vertical Retorts, Gas Manufacture, Increasing Throughput, 193
Viaduct, Le Day, Swiss Federal Railways, Reconstruction, 767* See also Bridge
Vibration of Machinery, Anti-Vibration Foundations, 259*
of Structures and RoAds, National Physical laboratory Investigations, 23
Vibro Lock Nut, 796*
Vicat Needle with Dashpot, Cement-Consistency Tests, 417*
Victoria Australia, Electric Supply, Use of Brown Coal, 777
Victory Valves, Ltd., Stop Valves, 322
Villalba, Hydro-Electric Power Plant, 101
Viscosity of Glass, National, Physical Laboratory Investigations. 211. of Liquids, Theory of, 462
Visker, S. G., on the Machinery of S.S.” Borneo,” 686
Voith, Fr., Hydraulic Turbines, Walchensee Hydro-Electric Plant, 417*, 449*. See 255
Vokes, C. G., <fe Co., Ltd., Protectormotor Air Filter. Internal-Combustion Engines. 151
Voltage Regulator for Electric Generator.-Thermionic-Valve Type, 351, 537*
Vowler, J. N., on a Weighmeter for Washing Machines, 787
Vulcan Motor and Engineering Co. (1906). Ltd. Free-Wheel Clutch for Motor Cars, 515: Six-Wheeled Lorry, 694*,
Vulcanising Press, Rubber, Explosion, 597

WAGES. See Labour
Wagons, Motor. See Motor ; Tractors Railway, Grain, Dumping Gear for, Port of Philadelphia, 539* Tippler, Hamilton, for Spoil Heaps, 678
Walehensee Hydro-Electric Power Plant. 162* 228*. 255*, 417*, 447*
Waldram, J. M., on the Standard Specification for Street Lighting, 364. See 429
Wales, North. Coety Dam, Dolgarrog, Reconstruction of, 177*
Walker Brothers (Wigan), Ltd., Motor-C’oacli Chassis, 703*
Wallis and Steevens, Ltd., Steam Roller with Inclined Boiler, 644*
Walls, E., on the Educational Needs of Industry, 606
Walschaert Valve Gear, Baidwin Three-Cylinder Compound Locomotive. 134*. See 103* ; See also 816*, 823*, 855*
Walsh, Dr. J. W. T., on Street Lighting. 647
Walsh, R. E., on Reconstruction of Railway Swing Bridges, 779
” Wanderer,” S.S., Perkins’ High-Pressure Steam Machinery, 184*
War. European. See European JL«r Office Subsidy Type Six-Wheeled Motor Lorries, Vulcan, 694* : Albion, 696*
Warehouses, (’old Storage, Montreal, 160* Electric-Battery Tiering Truck for, 318
Warping Capstan, Electric, with Hele-Shaw Beacham Transmission Gear, 393

Warships :

Battleships, Design and Use, and the Geneva Conference, 17
Brazilian Navy.. Scout Cruisers ” Bahia ” and “ Rio Grande do Sul.” Results with New Machinery, 327*
Chilian Navy, Destroyers for, 236 Cruiser Strength, British and United States Navies, Comparisons, 207. See 17, 754
Destroyers, Design and Use, and the Geneva Conference, 18
French Navy, Submarine Construction and the Geneva Conference, 112
Geneva Conference* Analysis of Proposals : Submarine Construction, 112 : British Naval Policy, Comparison of Cruiser Strengths, 207 : Statement of United States Naval Policy. 754.
H.M. Australian Navy, Experiments with Pulverised Fuel, 93*. See 85.108
Battleships " Nelson ” and ” Rodney ”, Design of, 99*. See LETTER. 368*’
Cruiser “ London,” Duinch of, 404* Naval Policy and Geneva Conference. 207. See 112, 754.
Navy, 17th Century. Diary of Henry Teonge (Review), 52
Cruiser Strength, Comparisons with United States Navy, 207. See 17, 754
Engineer Officers, Effects of Deprivation of Military Status, 363
Submarine Construction and the Geneva Conference, 112
Italian Navy, Submarine Construction and the Geneva Conference, 112
Japanese Naval Policy, Geneva Conference. 112
Naval Armament, Limitation of, Geneva Conference. See Geneva (above) Chaplain, 17th Century, Diary of Henry Teonge (Review), 52 and Shipping Annual, Brassev’s (Review), 834
Submarine Construction, Geneva Conference, 18, 112
United States Naval Policy. Geneva Conference, 19, 112, 207. 754
Navy, 350-ton Crane, League Island Navy* Yard, 575*
Navy, Cruiser Strength, Comparisons with British Navy, 207. See 17, 754
Navy, Submarine Construction and the Geneva Conference, 112
See also Naval in PARAGRAPH INDEX Washer, Centrifugal, for Blast-Furnace Gas (Richardsons, Westgarth and Co., Ltd.), 673*
Coal. Baum, Application of Froth-Flotation Process to, 51
Spring, Nut Lock, the Vibro, 796*
Washing Machines for Casks and Bottles,
Brewers’ Exhibition, 630 ljiundry, Weighmeter for, 787
Watches, Tests at National Physical Laboratory, 273
Water Adsorption by Wool Fibres, 607
Arbitration Prize, Institution of Mechanical Engineers, Regulations, 521
Conduits, Chart for Estimating Velocities 105*
I^arge Low-Pressure, Design of, 414, 632*
Divining, Value of, 680 Feed. Dionic Tester for, 323*
Filters. See Filters
Flow Measurement, Combined Vee-Notch and Rectangular Weir (Lea Recorder Co., Ltd.), 712*
Friction. See Friction ; Hydrodynamics; Ship Resistance
Hammer Action, Failures of Steam Valves and Engine Cylinders, 209
Heaters. See Feed-Water Heaters Meter, Venturi Type, Variation of Discharge
Coefficient, 7*. See LETTERS, 838 Propeller Type, Walchensee Hydro-Electric Power Plant, 229*
Oil Separation from, Hele-Shaw Beale Filter, 815
Power. See Power Water. See also Hydraulic ; Pelton Wheel; Power Plant; Turbine, Hydraulic
Raising, Hydraulic Ram for (Green and Carter, Ltd.), 78*
Softening Plants, Automatic Analytical Control, 786
Supply, Air-Pressure Boosters for, 630* Apulian Aqueduct, South East Italy, 285* Bruston Auto-Pneumatic System, 681 Economics of, 681
Filtration Plant, Paterson System, Taf Fechan Reservoir, 128*. See 116*, 144
Forestry in Relation to Catchment Areas, 574. See 750
Greenock, Centenary of Shaw’s Water Co., 20. See LETTER, 108
Influence of Forests on Rainfall and Run-Off, 750. See 574 of Kenya, Report, 175
Portsmouth, Havant Pumping Station, 420
Rural, Advantages of Decentralisation, 681
and Sewage Pollution of Like Michigan, 492
Singapore, 308
Taf Fechan Reservoir, South Wales. 116*, 125*. See 144
See also Irrigation
Tube Boiler. See Boiler
Turbine. See Turbine, Hydraulic; Pelton Wheel: Power Plant
Works, Harrogate, Combined Vee-Notch and Rectangular-Weir Recorder, 712*
See also H’rt/cr Supply and PARAGRAPH INDEX
Waterways. See/feiwr; Canals; Navigation, Inland
Watson, Prof, F. R., Investigations of Acoustics of Auditoriums, 105
Watson, G. L., on Sewage-Treatment Works, Trenton, N.J., 721
Watson, R., on the Standard Specification for Street Lighting, 364. See 429
Watt-Hour Meters, Tests at National Physical Laboratory, 243
Wave-Making Resistance of Ships. See Ship Resistance
Sound, High-Frequency, in Liquids, 815
Surfaces, Fluid Friction over, 23 Electromagnetic. See Telegraphy, Wireless; Telephony, Wireless
Waveney. River, Railway Swing Bridges over, Reconstruction, 779
Wax, Paraffin, Removal from Petroleum Wells and Pipe Lines, 91, 700
Wear Testing of Metals, 279. 655*
Work Hardening of Steel by, 445, 470*. See 420*
Wearing Properties, Aluminium Alloys, Tests, 666*
Steel for Gear Teeth, Tests of, 665*
Weddell Level-Luffing Gear, Cranes for Bristol Docks, 581*
Wehrden Power Station, Tests of Zoelly Turbine, 579
Weighing Machine, Automatic, for Cement Clinker, 699*
Weighmeter, Laundry Washing Machines, 787
Weight-Recording Conveyor, Cement Plant, 697*
Weirs, Rectangular and Vee-Notch. Combined, Recording (Lea Recorder Co., Ltd.), 712*
Welding. Arc, Electric Generator for (Anglo- Swedish Electric Welding Co., Ltd.), 391*
Electric Arc, Equipment for (Quasi Arc Co., Ltd.), 323*
Use for Structural Steelwork, 210*
Oxy-Acetylene, Alda Gas Economiser, 356*
Wells, Petroleum, Increasing Yield by Gas Pressure, 254
Oil-Flow Control and Gas-Oil Ratio, 858 Removal of Solid Paraffin from, 91, 700
Wembley Research Laboratories, Investigations of Deposits in Gas-Filled Lamps, 621
Werner, F. A.-G., Spline Grinder and Horizontal Milling Machine, 388*
Weather. See Meteorology
West, A., <fe Co., Ltd., Switchgear at Cardiff Exhibition, 675*
Western Ports of North Atlantic, 157*, 286*, 381*, 495*, 539*, 575*, 635*, 701*, 829*
Westinghouse Brake and Saxby Signal Co., Ltd. Cuprous-Oxide Rectifier, 615*
Westinghouse Electric and Manufacturing Co., Electrically-Welded Factory Building. 210*
Wheeler, F.> on Drying,Clay, 451
Wheeler, Prof. R. V., Comparisons of Coal Cleaning Processes, 51 ; on the Chemistry of Coal, 344. See 334
Wheels, Gear. See Gears; Gearing; Marine Propulsion Railway, Tyre Fastening, Sydney Metropolitan Railways, 231*
Work Hardening of Tyres by Abrasion, 470*. See 420*, 445
Turbine, Magnetic Tests of, 142
Whirling Speeds of Shafts, 415, 474*. See LETTERS, 484, 526
White, C. M., on Air-Measuring Nozzles, 5*. See LETTERS, 838
White, E. T„ and Co. (1926), Ltd., Marine Petrol Engine and Electric Lighting Set, 315*
White, J. S., and Co., Ltd., Oil-Fuel Burning System, 358*
White Metal. See Alloys under Metallurgy White, R., and Sons, Wire Ropeways and Accessories, 673*
White Star Liner “ Laurentic,” 631
Whiteley, J. H., on Cementite in Alpha Iron. 472* See 446
Whiting, W. H., the Late. 274
Whittaker, Prof. E. T., on Problems of Relativity, 415
Whitworth Scholarships, Regulations, 582 Society, Summer Meeting, 139
Wick-Fed Lamps, Burning Mineral Oil in. 21
Wickcrham, F. A., on the Gas Permeability of Refractory Bricks, 10
Wiggington, R., on Gaseous Fuels for Furnace Heating, 12
Wight, F. C., the Late, 462
Wild-Barfield Automatic Hardening Furnaces, 355* ; Hardening Motor-Car Gears, Comparative Tests, 498
Willstrop, .1. W. W., on the Anodic Oxidation of Aluminium, 442. See 385
Wilson, W., on Psychology and Engineering Progress, 526
Winch, Electric, Worm Geared (Metropolitan-Vickers Electrical Co., Ltd.), 324* ; (Sunderland Forge and Engineering Co., Ltd.), 359*
for Light Excavating Machine (Denholm Contractors Machinery Co., Ltd,), 646*
Wind-Direction Indicator, Hot-Wire, National Physical Laboratory, 86*
Pressures on Structures, National Physical Laboratory Investigations, 23*
Tunnels. See Aeronautics
Winding Engines, Electric, Control Gear for (A. West «fe Co., Ltd.), 675*
Windlasses, Diesel-Engine Driven, for Cable Ploughing (J. Fowler and Co. (Leeds), Ltd.), 75* ; (J. and H. McLaren, Ltd.), 77*
Windmill, Theory of, 500
Window, Ships’, Fusee Type, 312*
Winget (1924), Ltd., Concrete Kerb and Channel Making Machine and Concrete Mixer, 688*
Wings, Aeroplane, See Aeronautics Wires, Drag, Ship Launching, Stresses in, 65
Fused, Spectra of, 462
Hot, Ignition of Gases by, Report, 505
Ropes for Collieries, Standard Specification. 794
for Cranes, Standard Specification, 823 Ropeways, Automatic Continuous Loader
for (R. White <fe Sons). 673*
Discharging Bucket for Sticky Materials (R. White Sons), 673*
Self-Lubricating Pulley for Hauling Ropes (R. Sons), 673*
Saw in Slate Quarrying, 566
Wireless Telegraphy. See Telegraphy Telephony. See Telephony
Wiring, Electric, of Buildings, Regulations, 10
Wishaw Works, Glasgow Tron and Steel Co., Ltd., Silica-Gel Blast-Drying Plant, 432, 836*, 853
Witnesses, Expert, in Lawsuits, 143
Wohler Tests. See Alternating Stress under Tests (Materials)
Type Testing Machine, Tests of Steel Tubes, 799*. See 831*
Wolseley Motors (1927), Ltd., 21-60 h.p. Eight-Cylinder Car, 511*
Wood, Prof. R. W., Production of High- Frequency Sound Waves, 815
Wood in Constructional Work (Review), 508 Soft, World’s Supply and Consumption, 573
Woodworking Machinery. See Machine Tools Wool Fibres, Testing of, 607
Water Adsorption by, 607 Research, Chemical Aspects of, 607
Woolwich Arsenal, Fire in Workshop Office, 52
Worger, D. F., on Rural Water Supplies, 681
Work Hardening, Sheet Steel, Effect of Temperature, 755, 760*
Steel, by Abrasion, 445, 470*. See 420*
Working Rates, Normal and Maximum, Investigations, 542
Workman, Clark A Co., Ltd., M.S. “ Bermuda,’ 177, 805*
Workmen. See Labour

Works :

Alkali Works, Hepdrt on. 188 Coekerill Works, Seraing, Belgium, Anniversary Celebrations, 461
Redcar Works, Dorman, Long and Co., Ltd., Charging Machine for Plate Furnace, 136*
Steel Works, American, Selection and Training of Employees, 366
Boiler Plant for, 839 Open-Hearth, Refractories for, 450 Straightening Machines for, 295*
Works Management, French Treatise on (Review), 178
International Congress, Rome, 365 Investigation of Natural Rates ot Working. 542
Machine Speeds and Output, 542 Motion Studv and Industrial Psychology, 542
Work of the Industrial Engineer, 494
Workshop Office, Fire at Woolwich Arsenal, 52
and Factories, Report of Home Office Inspector, 241
See also JFor/.'# ; Machine Tools World Motor Transport Congress, London, 652
Power Conference, Sectional Meeting on Fuel, 144, 525
Trade Routes, Effect of Motor Ships on, 398
Worsted Spinning, Higher Drafts in, 606
Worthington-Simpson. Ltd., Pumping Plant Portsmouth Water Supply, 420
Wrecks. See Accidents Wrought Iron. See Iron Wiist, Prof. F., on Theory of Blast-Fiirnact
Process, 436*. See 432
Wykes, A. L., on Artificial Silk, 607

X-RAYS. See Rontgen Rays

YABBICOM, Colonel T. H.. the Late, 552
Yallourn Power Station, Victoria, Australia. 777
Yarmouth, Floating Bridge over River Yare 235*
Yarrow, Sir A., on the Cause of High Prices, 347
Year Books. See LITERATURE INDEX
Yorkshire Electric Power Co., Ferrybridge Power -Station, 527*
Young, Sir F. W., the Late, 848
Young, H. J., on Tests for Acidity of Lubricating Oils, 526. See 552

ZINC Alloys. See Alloys under Metallurgy — Prices. See Metal-Price Diagrams
Zoelly Turbine, Wehrden Power Station. Tests 579

Grace's Guide To British Industrial History

Engineering 1927 Jul-Dec: Index: General Index

See Also

Sources of Information