Engineering 1918 Jul-Dec: Index: General Index

Note: This is a sub-section of Engineering 1918 Jul-Dec: Index

General Index

ABBE Refractometer, 282*
Aberration, Longitudinal, of Rays through Thick Lens, 709
Absenteeism, Influence on Coal Production, 175
Absorption Brakes. See Brakes
— Light, and Coloration of Substances, 688
— Phenomena, Solids and Liquids, 748 See also Adsorption
Accidents, Compensation. See Workmen's Compensation under Labour
— See Boiler Explosions and PARAGRAPH INDEX
Accounts, Public, Committee’s Report, 215
Acetate, Cellulose, Products Exhibition, 250
Acetylene for Automobiles, 469
Acid-Resisting Apparatus, andc., Tantiron, 154*
— Sulphuric, Handbook, 720
— Works, Alkali Works Report, 149
Acme Machine Tool Company, Jig and Fixture Practice, 364*
Acoustics, Sound Fields and Sound Antennas 756
Administrative Cost in Nationalised Services, 683
Admiralty Gun-metal. See Metallurgy.
— National Shipyard Schemes, 13
— Research Committee’s Arc Welding Regulations, 695
— Returns, Shipping Losses from Enemy
Submarines, 474
— Salvage Operations, 16*
Admiralty. See Warships.
Adsorption, Occlusion of Gases, 562
Aerial Navigation. See Aeronautics
Aerial Propellers. See Aeronautics
Aerodynamics. See Aeronautics
Aeronautical Society of Great Britain, Some Outstanding Problems in Aeronautics, 21. See Vol. CV, p. 731

Aeronautics :

Advisory Committee’s Annual Report, 347
A.E.G. Armoured Aeroplane, Construction and Armament, 416
Aerodynamical Work, N.P.L., 95
Aeroplanes, Limitations of Lift, 378 — Parts, Jigs and Fixtures for, 364*
Air Force, Royal, 614
Aircraft Imports, 228
— Modern, Care of, Handbook, 412
Airscrew Problems, 21
Airships, Future of, 378
Alloys for Aero-Engine Parts, 347
Altitude and Power, 21
Aluminium Pistons for Benz Aero-Engines, 18*
Armament of Aeroplanes, and Instruments, 23
Armoured Aeroplanes, A.E.G., Construction and Armament, 416*
Austro-Daimler Aero Engine, Design and Construction, 488*, 537*
— Aero Engine, General Data, 538 ;
— Aero Engine, Weights Analysis, 539 ,
Balloons, Pilot, Products Exhibition, 249 '
Chollet Air Raid Syrens, 19* ; Engines, Aero and Motor Car, Comparisons, 408 !
— 200-h.p. Austro-Daimler, Design and Construction, 488*, 537*
— 300-h.p Maybach, Design and Construction, 226*, 252*. 298*
— Power-Weight Ratio, 319. See Letter, 383
— Weight Question, 673
Fighting Planes, R.A.F., 614
Handley Page Giant Aeroplanes, 350
Imports, Aircraft, 228 •
Inventions Committee, Suggestions to I Inventors, 19
“ Liberty ” and other Aero Engines, 412
Materials and Parts, Aircraft, Standardisation, 228
Maybach Aero-Engine, Design and Construction, 226*, 252*, 298*
— Aero-Engine, General Data, 298
— Aero-Engine, Weights Analysis, 300
Model Aeroplane Testing Work, 347
Pistons, Aluminium, for Benz Engines, 18*
Postal Service, London-Glasgow, posed, 684
Power and Altitude, 21
— Weight Factor, Airships and planes, 378
Problems, Some Outstanding, 21. Sec Vol.CV, p. 731.
Propeller Design, 347
— Problems, 21 Stability of Aeroplanes, 347
Stability and Control, 22
Standardisation of Aircraft Materials and Parts, 228.
Syrens, Air Raid Signalling, 19*
Telegraphy, Aeronautics and the War, 655 Transport, Civil Aerial, 684
Weight-power Factor, Airships and Aeroplanes, 378
Zaharoff Professorship, Aviation, 44
— See also PARAGRAPH INDEX Aeroplanes. See Aeronautics Agglomeration of Metallic Waste, 265 Agricultural Machinery, Imports and Exports, 508
— Motors. See Tractors
— Tractors. See Tractors

Agriculture, British, and Railway Transport, 522. See 529
— Climate and Crops in U.S.A.
— Continental, and Electric Energy Supply, 547
— Research in India, 606
— See also Irrigation and PARAGRAPH INDEX Air, Compressed. See Compressed Air; Pneumatic
— Compressor, 4,000 C.F., 8*. See LETTERS 38, 61, 88, 153, 199, 238, 267, 297, 353, 382
— Cooling of Steel Rails and Tyres Sandberg Process, 625*
— Pump. See Pump.
— Resistance, Galileo’s Views, 552
— Thomson-Joule Effect, 70
— Vapours, Recovery of Solvents, 345
Aircraft. See Aeronautics. Airships. See Aeronautics.
Alcohol, Fuel, from Sugar and Potatoes, 629
Algebra, Mathematics for Engineers, 71
Alignment Tester and Microscopic Tool Setter, 398*
Alkali in Alsace-Lorraine, 561
— Determination in Refractory Materials, 541
— Sources of, 68
— Works, Report, 149
Alkins, W. E., Effect of Progressive Cold Work upon the Tensile Properties of Pure Copper, 283*. See 292, 468
Allotropy of Drawn Copper. See Metallurgy.
Alloys for Aero-Engine Parts, 347
— See Metallurgy, Microphotograph', and PARAGRAPH INDEX
Alpha Rays, Action on Metals, 531
Alsace-Lorraine and German Industry, 561
— Potash Industry, 734
Alternating Current. See Electric Alternators. See Generators, Electric Alumina, Determination in Refractory Materials, 541
Aluminate, Treatment in Production of Aluminium, 165
Aluminium Alloys. See Alloys under Metallurgy
— Application and Properties, 218
— (Bauxite) Deposits and the Production of Aluminium, 163*, 191*, 218
— Chemistry and Metallography, 123
— Deposits, Distribution and Analyses, 163
— Occlusion of Gases, 584
— Pistons for Aeroplane Engines, 18*
— Thermal Conductivity, N.P.L. Investigations, 123
— See also Metallurgy.
Alunite as a Source of Potash, 705
America, Workman’s Compensation Effects, 670
— See also United States.
American Society of Mechanical Engineers, Fuel Economy, 207
American Institute of Mining Engineers, Gulf Coast Oil Deposits, 348 ; Metallography of Tungsten, 239*, 269*, 300*. See 328* ; Zinc Condensation from its Vapour, 527
— International Shipbuilding Corporation, 740
— Patent Protection Question, 651
— Potash Production, 704
— Society for Testing Materials, Electric Cast
Steel Anchor Chain, by H. J. Cox, 156 ; Manufacture of Cast Steel Chains, by C. K. Brooks, 157. See 172
— Submarine Chasers, 608.* See also Ship
yards
Ammonia, Oxidation of, 498, 748
— Oxidation of, Data of Nitrogen Compounds, 620
— Synthesis, 748
Ammoniacal Works, Alkali Works Report, 149
Ammunition, Supply of. See Munitions
Amsler Testing Machines, 30-ton, 354*, 385*
Analyses of Bauxite Deposits, 163
— of Refractory Materials, 540. See 322
Anchor, Chain, Electric Cast Steel, 156. See 172
Anderson, R. J., Annealing Cold Rolled Aluminium Sheet, 388*. See 307
Angles of Twist Drill, 451*
Annealing of Glass as Affected by Composition, 148
— Temperatures of Soda Lime Glasses, 614
— See Heat Treatment under Metallurgy. Annual Publications. See LITERATURE INDEX Ansaldo San Giorgio, 2-Cycle Internal Combustion Marine Engine, 482*
Antennas, Sound, and Sound Fields, 756 Anti-Friction Metals. See Metallurgy.
Antimony and Arsenic, Organic Compounds, 124
— Prices. See Metal Price Diagrams. Appointments. See PARAGRAPH INDEX. Apprentices. See Education and Labour Arc. See Electric and Furnace
Arc Welding, Electric. See Welding Architects, Naval. See Japanese and Naval Architects
Argon, Preparation of, 324*
Armament. See Guns, Munitions, Warships Armistice and West German Iron Industry, 713
Armour. See also Warship and Naval in PARAGRAPH INDEX
Armoured Aeroplane. See Aeronautics Armoured Ships. See Warships
Army Aeroplanes and Air Ships. See Aero-
Arnott, J., Note on Monel Metal, 451*
Arrester, Oxide-Film, 262
Arsenal, Woolwich, War Work, 722
Arsenic and Antimony, Organic Compounds, 124
Artillery, Dial Sights, War Developments, 673
Artillery. See also PARARAPH INDEX
Arts, Royal Society of, Science and the Future, 591 ; Physical Chemistry and Chemical Industries, 748
Ash Handling Plant, Central Argentine Railway, 427
Aspinall, Sir J. A. F., Presidential Address, Institution of Civil Engineers, 519. See 529
Aspinall, Sir J. A. F. Retirement, 721
Association, British. See British Association
Associations, Engineering. See Institutions
Astigmatism, Interchangeability of Stop and Object, 434
Astronomical and Meteorological Seasons, 739
Astronomy, Dynamical, 690
— Mount Wilson Giant Reflector, 246
Atlantic Liners. See Steamers
Atlas Co.’s Land and Marine Steam Turbines, 675*
Atmosphere, Pollution, Alkali Works Report. 149
Atomic Structure, Ring Electrons, 621
— Weight of Metals and Hardness, 288*. See 293
Atomisers, Oil Fuel. See Oil Fuel Australian Trade and Industry, 499 Austrian State Electricity Supply, 547
Austro-Daimler Aero Engine. See Aeronautics.
Autoclave, Tantiron, 154*
Autogenous Welding. See Welds and Welding
Automobile Gears, Cutting, Fixtures for, 195*
Automobile Starter Covers, Tooling Fixtures, 543*
Automobiles. See Motor Cars
Auto-Punch Impact Hardness Tester, 477. See 469
Auxiliary Machinery, Marine. See Marine Aviation. See Aeronautics

BABCOCK Boiler Test, Steam Generation by Waste Heat, 567,* 597*
Bagley, C. H. F., Principles of Open-Hearth Furnace Design, 400*. See 338
Baker, Dr. T., Gases Occluded in Steel, 572 See 564
Balance Weights, Locomotive, N.Z., Express Narrow Gauge, 578*
Balancers, Three-phase Electric System, Supplying Single-phase Power, 691*, 723*, 754*
Ballistics, Elliptic Trajectory over the Earth, 393*, 424*. See LETTERS, 552, 579*
Balloons. See Aeronautics
Band Saws. See Saws under Machine Tools
Barge, Electrically-welded, 142
— Ferro-concrete, N.Y. Barge Canal, 554* Barge, 1,000-ton Reinforced Concrete, 237* Barges, Ferro-concrete, Construction of, 114*
Basin, Tidal, Telok Ayer Reclamation Works, Singapore, 603*
Batson, R. G. C., Value of Indentation Method in Determination of Hardness, 475*. See 469*, 588
Batteries. See Electric
Battleships. See Warships
Battle-Towing Target, U.S., Electric Joint- Welding, 526*
Bauxite Deposits, Distribution and Analyses, 163
Bavarian State Supply of Electric Energy, 547 Bayer Process in Aluminium Production, 163 Beach Erosion and Protection. See Coast Beams. Continuous, End-loaded, Deflection, 699*
Beardmore, Isaac, The Late, 48
Bearing Caps, Milling Fixtures for, 63* Bearings, Tooling Fixtures, 543*
Becker Milling Fixtures, 543*
Beiliss 4,000 C.-Ft. Air Compressor, 8*. See LETTERS 38, 61, 88, 153, 199, 238, 267, 297, 353, 382
Bending Tests. See Tests {Materials}
Bennis, H., The Late, 527
Benz Aero-Engines, Aluminium Pistons foils*
Berry Strain Gauge, Compression Testing, 99* Berths, Shipbuilding. See Shipbuilding Bibliography, Metalb graphy of Tungsten. 302 Binary Alloys. See Alloys under Metallurgy Binders for Roads, 745
Binoculars, Design and Manufactures, 629
— Tests, N.P.L., 178
Biplanes. See Aeronautics
Bituminous Materials, Oil Production, 746
— Road Construction, 745
Black, D . J., Life and Letters, 750
— Sea Floating Dock, 30;000-ton, 551*
— Smoke, B il?r Test Data, 55
Blanchard Vertical Surface Grinder, Fixtures for, 28*
Blast Furnaces. See Furnace
Blower for Water Tube Boiler Plant, Bristol, 126*
Board of Trade Report, Post-War Electrical Trade, 20
Boats, Lifeboat, Transporting and Lowering Gear, Ross Anderson, 49*
— Motor. See Motor Boat
— Submarine. See Warships
Bogie, Leading, N.Z., Express Narrow Gauge Locomotive, 576*
— Motor, Central Argentine Railway, 506* Boiler Efficiency in Power Stations, 617
— Equipment, Floating Electric Power Station, 644. See Erratum, 713
— Explosion, Retford, 51
— Feed Water. See Water
— Firemen. Suggested Training School, 238 297, 535, 579
— House Equipment and Coal Economy, 442
— Installation, Champlain Dry Dock, 658
— Plant. Water-Tube, at Bristol Electricity Works, 126*
— Plants, Steam, Coal Saving by Scientific Control, 25, 55, 481. See LETTERS 88, 116, 152, 169, 199, 237, 267, 297, 326, 353, 382, 414, 431, 474, 493, 535, 552, 579, 643. See 207
— Power Station, Argentine, Central Railway, 427
— Shops, Marine, Canadian Vickers, 395*
— Steam, in Switzerland, 564
— Stoker. Self-Contained, Forced-Draught, 62
— Waste Heat, 402. See 338
— Waste Heat, in Open Hearth Furnaces, 338, 567, 597. See 402
Boilers. See also Engines and Boilers in PARAGRAPH INDEX
Bolshevik Influence on Russian Industry, 333 Bombay, Tata Hydro-Electric Power Supply, 613
Bonding, Track, Electric Traction, Central Argentine Railway, 458*
Bonus System, Premium, Working, 281. See LETTER 326, 352, 414. See also 492
Books Received, 45, 73,124, 182,266, 351, 382, 413, 487, 566, 621, 721, 751
Booster Generator, in Series with Winding, 694*
Boosting Transformers in Series with Balancer Windings, 692*
Boquilla Hydro-Electric Power Plant, 93 Bosh Tuyeres, Notes on, 356*. See 336 Bosses, Hand Brake Lever, Tooling Fixtures. 543*
Bottle Glass and Glass Bottle Manufacture,. 739
Bower, T. B., Notes on Road Construction and Maintenance, 642.
Bowtcll Luffing Crane, 706*
Bracket Stamping at Crewe, with 4-ton Drop Hammer, 736* •
Brake Equipment, Central Argentine Railway, ! Electric Section. 505* I
Breakwater, Telok Ayer Reclamation Works, Singapore, 603*
Brett Patent Lifter Co., 4-ton Drop Hammer, 736*
Brewery, Glasgow, Gravity Conveyor, 165* Bricks, Refractory. See Refradory Materials Bridge, New Quebec, Erection and Completion, 277*. See LETTER, 722
— Structures, Stress Calculations, 147
— See also Culvert, and PARAGRAPH INDEX Brinell Hardness Tests. Sec Hardness under Tests {Materials) j
Briquetting of Ores, 265
Bristol Electricity Works, Water-Tube Boiler Plant, 126*
Britannia Engineering Motor Co., Cylinder Boring, (fee., Fixtures, 730*
British Association Reports, 42, 69
— Engineering Enterprises in China. 220. Sec 92
— Engineering Standards. See Engineering Standards
— Enterprise in Chinese Railways, 92
— and German Trade, Effect of War on. See Trade
— Industries Federation, 534
— Navy. See H. M. under Warships
—• Railways. See Railways
—? Roads, Traffic and Maintenance, 262 — Scientific Products Exhibition, 123,177, 211, 233*, 246*. See 350. See LETTER 238. Erratum 295.
— Scientific Products Exhibition, Oxidation of Ammonia. 498. See 748
— Shipping. See Shipping
— Steel Export Prospects, 377
— Trade. See Trade
Brittleness in Metals and Gas Occlusion. 583 Broek, J. A. Van Den. Effects of Cold Working on the Elastic Properties of Steel, 99* Bronze, Admiralty, Gun-metal. ~ -- - -
— Estimating Phosphorus by Analysis, 332. See 305
Brooke Tool Manufacturing Co., Fixtures, 79*
Brooklyn, Connecting Subway Tunnel in Quicksand, 183*
Brooks, C. K., Manufacture of Cast Chains, 156*. See 172.
Brown, Professor H. T., Principles of Diffusion, their Analogues and Applications, 193
— and Sons (Huddersfield), Ltd., Gear Cutting Fixtures, 134*
Browne and Sharpe Manufacturing Co., Jig and Fixture Practice, 364*
Brownlie, D., Coal Saving by the Scientific Control of Steam Boiler Plants, 25, 55 481. See LETTERS 88, 116, 152, 169, 199 237, 267, 297, 326, 353, 382, 414, 431. 474 ^493, 535, 552, 579, 643. See 207
— Exact Data on the Running of Steam Boiler Plants, 481. See also 25, 55
— Fuel Economy in the United States, 207 Brymbo Blast Furnaces, Bosh Tuyeres for 356*. See 336
Building Construction. See also FandrrO'Concrete and PARAGRAPH INDEX
Building Materials, Applied Chemistry, 689
— Materials, Transmission of Heat, 735
? Steel Frame Structures, Calculations, 97
Bulbs, X-Ray, and Occlusion of Gases by Metals, 563
Bureau, Imperial Mineral Resources, 125
— of Mines. See United States
Burette Tubes. Accurate Calibration Apparatus, 739
Buried Cables, N.P.L. Work, 122*
Burmeister and Wain, 4-Cycle Interna] Combustion Marine Engine, 482*
Burners, Gas, 456*, 501
Business, Pivotal Men, 679
Butt Welding, 185 By-Product Recovery, Steel and Iron Works 206*. Erratum, 340 ’

C.M.B, Naval Craft, 182* Cable Rates and the Colonics. 655
— See also Electric Cairo Main Drainage Pumping Engines, 251*
Caissons, Champlain Dry Dock for Quebec
Harbour, 658
?— Dock Closing, Singapore Harbour, 702*
Calibration Apparatus for Burette Tubes 739 a^ other Tests, Austro-Daimler Aero Engine, 538*
Aero-Engine, Vo
Calorific Value of Gas, 456, 501
Cambria Steel Works, Slick Rolling-Forging Process, 432*
Cambridge Scientific Instrument Co. Ltd Alignment Tester and Scientific Tool- Setter, 398*
Campbell, E. D., Electrical Resistance of Hardened Steel, Rate of Change, 509*
Canada, Shipbuilding Developments in 740*
— Trade and Industry, 498
Canadian Steel, Engineering and Shipbuilding Industries, 68
— Vickers, Montreal, Floating Crane, 518*
Shipbuilding Works at Montreal 395*, 518*
Canal, Trollhatta, New, Erratum, 18. See Vol. CV, p. 656
— Works, Public Expenditure, 215
— See also PARAGRAPH INDEX Cannel Coal and Fuel Oil Production 148 See 125 ’
Cannon, A., the Late, 460 Capital, Private Ownership, 534
— and Labour. See Labour Capstan Lathe. See Lathe under Machine Tools
Car Sheds, Central Argentine Railway 458*
Cars, Motor. See Motor Cars "
Carbide Porinatiou and Stability, 531
Carbon and Iodine Sorption, 562 T* ‘
Carbonisation of Bituminous Materials, Oil Production, 746.
Carburation in Theory and Practice, 412
Carburettor and Induction System, Austro- Daimler 200-h.p. Aero Engine, 537* 300-h.p. Maybach Aero Engine, 255*, 298
Car-couplers, Cast Steel, U.S. Experience, 157
Cargo Steamers. See Steamers.
Carnegie Institution, Melting Points of Cristobalite and Tridymite, 653
Carpenter, Professor H. C. H., Reaction between Pure CO and Pure Electrolytic Iron, 323
Carriages, Motor Coaches, Central Argentine Railway, 505*
— Railway, Standardisation, 520
— Saloon Car, for Victorian Railways, 63*
Case Hardening. See Metallurgy
Case, John, Graphical Treatment of Some Street Problems, 699*
Cast Iron. See Metallurgy Casting and Ingot Defects, 34* Castings, Piston Ring, Lavaud Centrifugal Machine, 687. See Erratum, T2.2
Castings. See also MwZtZtnsr
Catalogues, 117, 158, 186, 215, 242, 302, 390, 420, 510, 542, 662
Catalysis in Chemical Processes, 748
Catalytic Oxidation of Ammonia, 498, 748 i
‘‘ Ceara,” M.S., Two-Cycle Internal Combustion Engine, 482*
Ceded Territory, Private Property Law, 734
Cellulose Acetate, Products Exhibition, 250
— Industry, Applied Chemistry, 689 '
Cement Industry, World’s, 565 I
— Kiln, Potash Industry, 705 i
— Works, Alkali Works Report, 149 !
Cement. See also PARAGRAPH INDEX I
Central Europe, Industry and Trade, German Council, 264 i
— Powers, War Coinage, 151 j
— Station. See Porver Station ,
Centre of Gravity for Tall Columns, 336
Centrifugal Machine, Lavaud, for Cast Iron i ? Piston Rings, 687. See Erratum, 722 i ' Ceramic Society, Refractory Materials 1 Section : Notes on the Refractory Materials of I 1 South Wales, 472 ; Magnesite as a j
Raw Material, 472; Refractory Bricks from Non-Plastic Materials, 472 ; Silica Products, 472 ; Corrosive Action of Elue Dust on Firebricks, 472, see 503; Standardisation of Tests for Refractory Materials, 472 ; Zirconia, its Occurrence and Application, 472; Refractories in the Zinc . Industry, 472 ; Refractory Materials | Section, Science in Relation to the i Industries of the Swansea District [ 542, 622; Refractory Materials Sec- ' tion, Standard Methods of Testing , Refractory Materials, 540, 569*. ; See 322
Ceramics, Applied Chemistry, 689
Cereals in India, 606
Chain Anchor, Electric Cast Steel, 156. See 172
Chains, Cast Steel. Manufacture, 157*. See 172
Champlain Drv Dock for Quebec Harbour, 658*
Change Speed Gear. See Gear Channel Tunnel Project, 413
Charcoal Jacket in Liquid Oxygen Containers, i Explosion of, 687
Charpv, G., Influence of Hot Deformation on the Qualities of Steel, 309* See 321, 467 i
Chart, Instruction. Electric Welding, U.S. ! 523*
— Steam. Based on Callendar’s Formulas, 1* i
Chasers, Submarine. See Warships
Chatham Dockyard Expenditure, 630
Chemical Apparatus, Uses of Tantiron, 154*
— Constitution and Colour Relationship, 688
— Exliibits, Key Industries Exhibition, 439
— Industry, Society of. Reports on Applied Chemistry, 689
— Products and Processes, British Products Exhibition, 177, 211
— Research in India, 606
— Society, Principles of Diffusion, Their Analogues and Applications, 193
— Technology Department, South Kensington, Development, 500
— Works, Steam and Power Plant for, 6. See Vol. CV, p. 541
Chemistry, Aluminium Analysis, 123 — Ammonia Oxidation, 498, 748
— Applied, Plant and Machinery, 689
— Arsenic and Antimony, Organic Compounds, 124
— Black. Dr. J., Life and Letters, 750
— Carbide Formation and Stability, 531
— Colloid, Industrial Applications, B.A. Report, 69
— Diffusion, Principles and Analogues, 193
— Electrochemical Industry, 751
— Electrolvtic Deposits. Complex Salts for 718 , .
— Gases, Mixed, Preferential Catalytic Combustion, 478
— Gases, Occlusion by Metals, 562, 572, 583, 595*
— ‘‘ Liquid ” Crvstals, 349. See LETTERS, 382*.414
— Liquid Oxygen Containers, Explosion of Charcoal Jacket, 637
— Nitric Acid from Ammonia, Acetylene Poisoning, 296
— Nitric Acid from Nitrogen Oxide, 96
— Nitrogen Compounds, Data, 620
— Physical and Chemical Industries, 748
— Quartz, Tridymite and Cristobalite, 653
— Reactions, Velocity, 748
— Sulphuric Acid Handbook, 720
— Synthetic Phenol, 542
— of Zinc, 486
— See also PARAGRAPH INDEX
Chepstow, andc., National Shipyards, 13
Chiesa, G., Two i?. Four-Cycle Internal Com-bustion Marine Engines, 482*
Chimney Gases, CO^ Recorder, New, 515*
— Gases, Pollution of Atmosphere, 149
— Tall. Saganoscki, Wind Pressure, 334* China, British Engineering Enterprises, 220.
See 92 ...
Chinese Finance and Foreign Capital, 2-0 _
— Railways, British Engineering Enterprise, 92
Chipping Hammers, Pneumatic. Sec Jlammers under Machine Tools
Chlorine Process of Detinning, 701
Choke Coils. See Electric
Chord Members, Quebec Bridge, 27 <* Chronometer Testing, N.P.L., 180 Circulating Pumps. See Pumps
Civil Aerial Transport, 684 ,
— Engineers, Canadian Society, Champlain Dry Dock for Quebec Harbour, 658*
Civil Engineers, Institution of:
Investigations in the Structure of Road Surfaces, by F. Wood, 642
Notes on Road Construction and Maintenance. by T. B. Bower, 643
Presidential Address, 519. See 529 Road Corrugation, by E. E. Leeming, 64- Tata Hydro-Electric Power Station, by R, B. Joyner, 613 .
Clarke, E. F., Shipbuilding Development in the U.S. and Canada, 740* .
Clay Requirements for Glass Pot Making. 502
?— Shrinkage, Drying and Firing, 570*
— Tensile Strength Tests, 570*
Clayton Ship Disinfection Process, 38
Clearances, Ljungstrom Turbine, Wulst> Castle,” 30* . ,, ,
— Tappet and Valve, Diesel Engine Juel Pumps, 550*
- - in Twist Drills, 451" ,
Cleveland Engineering Society, Electric Aic Welding, by R. E. Kinkead, 185 ; Wai and Welding, by E. Wanamaker, 185, 213 Cleveland Iron Prices. See Metal Prtce Diagrams x
Cleveland and Northern Counties, Notes ftom, 11 39 65, 89, 117, 145, 173, 203, 229, 258, 289, 317,’ 344,’ 375, 404, 434 465 495, 526, 557,594,615,647, 681, 713, 743
Climate and Crops, U.S., the Larger Relations,
— See also Meteorological Society, Royal Climatology, andc., of Wei HaiJJei, 739 Clinical Thermometer. See Thermometer Clinometer for Gauge-Making and Jesting, 180*
Cloud Phenomena, 739
Clubs, Apprentice, 440
Clutch Gears, Transmission, fixtures foi Cutting, 195*
— Shifter Yokes, Tooling Fixtures, 543* Coaches, Railway. SQQ Carriages
Coal, Calorific Value for Industrial Uses, 443
— Cannel, and Fuel Oil Production, 148. See 125
— Coke Formation, 341
— Coke, Importance of Hardness, 292 . - Conservation Committee s Report, 23- Consumption, Boiler Test Data, 26, o5. ^^See LETTERS 116.153, 169, 238, 353. See 207 481
— Dust’Air Mixtures, Explosibility, 3*^
— Economy and Control of Steam Boilers, 25 55 481. See LETTERS 88, 116, 152, 169 1’99, 237, 267, 295, 326, 353, 382, 414; 431, 474, 493, 535, 552, 579, 618. See 207.
— Economy, Industrial, 442
— German Production and Sale, 413
— Handling Plant, Central Argentine Railway, 427
— Mines. See Colliery
— Reserves, British, 232
— as a Source of Oil, 746 x. x.
— Swansea District, Suggested Investigation, 622
— Syndicate, Rhenish Westphalian, 409
— Tar Products, Key Industries Exhibition, 439
— Trade Crisis, Shortage and Cost, 175 Trade, Post-War, Committee Report, — Waste of, Causes, 232
— See also PARAGRAPH INDEX
Coast, Tidal Lands and Shore Problems, Cobalt Salt. See Metallurgy
Codrington, T., the Late, 459
Coefficient of Propulsion, Cargo Ships Parallel Middle Body, 752
Combustion of Producer Gas, Oncn-Hearth Furnace, 401. See 338
Commerce. See Trade ; SCM' also Industries and Commcrcein PAKAGRAPH INDEX
Commercial Development of thi^ Aeroplane 08-1
Commercial Motor Cars. See Motor (^oramitieG, Engineering Standards, see Engineer itig
Companies, Vickers. Ltd., Chairmanship 3->5
— Sec PARAGRATII INDEX ’
Comparator, Projection, Screw-Testing, 248*
Compensating Winding, Balancer Single-Phase Furnace, 725*
Compensation, Workmen’s. See Labour
Competition, 1'ndu.strial, See Vol CV p. 033 ’ ’
— in the Shipyard, 42 Composition of Technical Papen-s. 45
Compound Stress. Sec under Tests (Materials} Compressed Air in Prevention of Ice Formation, 324
Compression in the Heavy Oil Engine, 127
-—Machines, Multiple Effect, for Itefrigeration, 211*. Sec LETTERS. 352*
— Members, Quebec Bridge, 277*
— Pressures, Semi-Diesel Oil Engines, 401*
Compressor, Air. See Air Compressor
Compston, J., Exact Data on the Running of
Steam Boiler Plants, 481. See also 25 53 ’
Compulsory Working Clause, Patents Bill, 650
Concessions, Chinese Railways, 92
Conciliation in Labour Disputes. See Labour Industrial Notes and PARAGRAPH INDEX
Concrete, Ferro. See Ferro-Concrete
— Reinforced. See Ferro-Concreie
— Walls, Singapore Dock and Harbour Works 603*, 666*
— Waterproofing, 96
— See also PARAGRAPH INDEX
Condenser, Lungstrdm Turbo-Electric Plant “ Wulsty Castle,” 140*
Condensing Plant, Central Argentine Railway Electric Section, 428*
Conductivity. Thermal, of Aluminium, N.P.L Work, 123*
Conductivity. See also Flectric
Congres du Genie Civil, By-Product Recovery Iron and Steel Works, 206. Erratum, 340 Connecting Rods, Milling Fixtures for. 637*
— Rods, Tooling Fixtures, 543*
Conservation of Coal, Committee’s Report. 232 “ Consolidation ” Locomotive for Victorian Railways, 10*
Construction Materials, Strength of, 407 Contact Processes in Chemical Industry, 748 Continental Shipyards, New, 85
— State Electricity Supply, 547, 574 Continuous Beams, End-Loaded, Deflection 699* ’
Contra-Flo Condenser. See Condenser Control of Electric Furnaces, 86*
— of Electric Motors, 381
— Gear, Hand, Diesel Engine Fuel Pump, 551*
— Gear, Motor, Turbo-Electric Plant“ Wulstv
Castle,” 140*
Controllers, Electric Motor. See Motor. Converter Apparatus, Oxidation of Ammonia 498 ’
Conveying Plant for Hot Coke, Manchester Gas Works, 367*
Conveyor, Gravity, Wellpark Brewery Glasgow, 165* ' ’
— Portable Gravity, 168* Cooling Cast Iron Ingots, 371*
— Curves, Alloys. See Metallurgy
— System, 200-h.p. Austro-Daimler 4ero Engine, 537*
— System, 300-h.p. Maybach Aero-Engine, 255*, 298
CO and CO-a, Absorption in Metals, 563, 572 583, 595* ’
COo in Flue Gas, Boiler Testing, 26, 55. See LETTERS 152, 431. See 207
— Refrigerating Machine, Multiple Effect
Compression 201*. See LETTERS 352*
— Recorders for Boiler Plant 207
— Recording Apparatus, New, 515* Co-operation in Engineering and Allied Trade 712 ’
Copper, Absorption of Hydrogen, 663, 583
— Alloys. See Alloys under Metallurgy : also Bronze, Gunmetal, <fec.
— Aluminium Wire, Disintegration, 448*. See 307
— Effect of Cold Work on Tensile Properties of, 283*. See 292
— Hot, Action of Reducing Gases, 495, 749 Prices. See Metal Price Diagrams
— Smelting Industry, Swansea, 542
— See also Metallurgy Corduroy Roads, 643
Corliss Engines. See Engines, Steam Corporations. See Municipal Corrosion, Chemical, of Gas Meters, 468, 50'^ •
— of Economiser Pipes, 482
— in Fire Bricks by Flue Dust, 472. See 503 Corrugations on Roads, 642
Cosine Formula Simplified, 116 Cottrell Process, Potash Production, 705 Council, Industrial. See Industrial 'Notes Countershaft Gear, Cutting, Fixtures for 195* Couplers, Car, Cast Steel, U.S. Experience 157 Coupling. See Clutch
Cowles and Kayser Process of Aluminium Production, 163
Cox, H. J., Electric Cast Steel Anchor Chain 156. See 172 ’
Cradle Pressures in Launching Ships 710* Cranes, Derrick, Hog Island Shipyard, 264
— Excavator, 90-ton Steam, 657*
— ^5°18^*^^* Montreal Shipbuilding Works,
— on Lathe Bed, Cunard Shell Factory 58* ?— Luffing, Bowtell, 706*
Main Travelling, Quebec Bridge 277* Crankshaft, 200-h.p. Austro-Daimler Aero Engine, 488*
— 300 h.p. Maybach Aero-Engine, 252* 298
of Magneto-Magnets, 361*. See LETTER, 553
CrexA^ Works L. and N.W.R., 4-ton Drop Hammer, 736*
Quartz Transformation, 653
Critical Speeds, New, Gyroscopic Disc Action on Shafts. 665*
~ shafts in Three Bearings. 573*,
bOl*
Crops. See Agriculture
Crossland, J, F. L., the Late, 474
Crucibles, Graphite, Electrically Heated Morgan, 657* ‘
— Graphite, Key Industries Exhibition 439 Crude Oil Engines. See Engines, Oil Cryolite, Natural and Artificial, in Production
of Aluminium. 191*
Crystalline Structure of Metals. See Metal- lography. J/icro-Photographs
Crystals, Action of Light, 653
— “ Liquid,” 349. See LETTERS, 382*, 414 tubillo, General L.. The Late, 721
Culverts, Champlain Dry Dock, 658* Cunard National Shell Factory, 3* 57* Currents, Electric. See Electric
Curves, Characteristic. Maybach Aero-Engine, 265* ‘ '
Cutters, Cylinder, Boring 422*
— Fellows Gear. 195
— Milling. See Milling under Machine Tools Cutting Angles of Twist Drills, 451
— Tools, Diamond, 234
Boring, <fec., Fixture.s for, 730*
Motor,Wolseley. Jigs and Fixtures for, 422* ‘'^^^^ti’o-Daimler Aero Engine, 488*
— 300-h.i). Maybach Aero-Engine, 2’26* 298
— Temperatures, 2 and 4-Cycle Engines’, 485*
— W rought Iron. Singapore Dock and Harbour Construction Works, 666*

DAM, Boquilla, Hydro-Electric Power. 93
Deck Plans. T. S.S. “ Stavangeri'jord,” 170* Tx 3Iachinc for Salvage. 236
Deflection of Shafts in Three Bearings Whirling Speeds. 573*. 601*
Degrees, Modification of Courses, Suggested 611, 643. 679, 722. 751
“Dekoblast,” British Products Exhibition,
Demobilisation, British Industries Federation, 534
— Industrial, 651
— See also PARAGRAPH INDEX
Denitrating Tower, Tantiron, 154
Depreciation of Plant and Machinery, Income Tax, 169
Depth Indicators, Brinell Testing, 385
Derricks. See Cranes.
Desert Lakes, U.S. Potash Industry, 705
Design of Jigs and Fixtures, 637
— of Magnets, 363. See LETTER, 553
— of Open-Hearth Furnaces, 400*. See 338
Designs and Trade Mark Report, 151 Detectors, Wireless Telegraphy. See Telegraphy
Detinning and Tinplate Manufacture, 701
Deville-Pechiney Process in Aluminium Production, 163
Diagram, Cylinder Temperatures, 2 and 4- Cycle Marine Engines, 485
— Diesel Engine Fuel Consumption, 462
— Hardness Tests. Static and Dynamic, 476*. See 469, 588*
— Iron-Carbon, 217*
Metal Price. See ^letal Price Diagrams
— of Multiple Effect Compression Cycle, Refrigerators, 201.* See LETTERS, 352*
— Pressure, Open Hearth Furnace. 400*
— Stresses in a Rotating Disc, 131.* See LETTER, 611
— Stress-Strain Curves, Cold-Worked Steel, 100-103*
— Stress Strain. Hardness Testing. 588*
— Turning Moments, 2 and 4-Cycle 3Iarine Engines, 485*
Diamond Tools, 234
Die Casting. See Moulding
Diesel Engines. See Engines, Oil, Diesel, and PARAGRAPH INDEX
Differential Gear. See Gear
Diffusion, Principles and Analogues, 193 pigging Machine. See Excavating Machine Directories. See LITERATURE INDEX
Disc Action, Gyroscopic, on Shafts, Critical Speeds, 665*
— Clutch, “Pot Type,” Fixture for Cutting, 195*
— Rotating, Strength of, 131.* See LETTER,
Disinfection of Ships, 38
Disintegration of Copper-Aluminium Wire, 448.* See 307
Distinctions. See Honours
Diving Machine, Deep-Water, for Salvage, 236
Dock, Dry, Champlain for Quebec Harbour, 658*
— Floating, Canadian Vickers, 395*
— floating, 30,000-Ton Black Sea, 551*
— and Harbour Works, Singapore, 603,* 666,* 702* ’
— King’s, Singapore Harbour Works, 702*
Dockyards, Royal Expenditure Report, 630 Dolomite, Analyses, 542
Domespe Heating and Ventilation, 351
Doniniions, British Trade with, 498
Doors, Water-Tight. See Watandr-Tight Subdivision.
Doppler Principle, Application to Light, 263
Double Helical Gears. See Gears
Drainage, Main, Cairo, Pumping Engines,
Drakes’ Hot-Coke Transport Machine, 367*
Draught, Measurement, Boiler Testing, 26 loo LETTERS, 88, 116, 169, 1.yy, i
Draughtsmen and Engineering Unions. Amalgamation, 474, 494
Drawing Office, Women in, 438. See LETTERS 535, 553, 579, 611
Drawings, Inkstand for Differently Coloured Inks, 75*
Dredger, Hopper, 1,500-Ton, Twin-Screw, 640*
Dredger Ladder, Twin r Screw, Canadian Vickers, 395*
Drier, Rotary-Cylinder, for High-Grade Salt, 109*
Drills and Drilling Machines. See Machine Tools
Drop Hammer, -4-ton, Crewe Works, 736*
— Testing of Railway Tyres, 545*
— Tests. See Tests (Materials} Drummond, P., The Late, 10
Dry Dock. See Dock
Dumping, Economics of, 7. See Vol. GV., p. 611
Durand, Dr. Some Outstanding Problems in
Aeronautics, 21. See Vol. CV, p. 731
“ Duroprene,” Rubber Derivative, 251
Dust, Blast Furnace, Potash Recovery from, 68
— Coal, Explosions of. See Coal Dust
Dye Exhibits at British Products Exhibition, 178, 250
— Exhibits, Key Industries Exhibition, 439
— and Mordaunts, Colour and Constitution, Relationship, 688
Dyeing, General Review of, 70
Dyer, Dr. H., the Late, 384
Dynamical Astronomy, 690
— Theory of Electric Engines, 560
Dynamometer. See Torsion Meter
Dynamos. See Generators, Electric

“ EAGLE ” Submarine Chaser, Construction, 608*
Earth’s Magnetism. See Magnetism. Earthquake. See Seismic, Seismographs. Economic Considerations in Post-War Industry, 91
Economics of Dumping, p. 611
— Private Ownership of Capital, 534
— Railway. See Railway
Economisers. Boiler Plant, General Features, 481
— Boiler, Test Data. 55. See LETTERS, 88, 116, 153, 169. See 481
— Installation, Cost, 482
Economy of Coal, Conservation Committee’s Report, 232
— of Coal and Control of Steam Boilers, 25,55, 481. See LETTERS, 88, 116, 352, 169, 199, 237. 267, 297, 326, 353, 382, 414, 431, 474, 493, 535, 552, 579, 643. See 207
Economy in Electric Power. See Power Economy, Fuel. See Fuel Economy

Education :

Apprentice Clubs, 440
British Industries Federation Resolution, 543
Broadening of, 649 Degrees, Modification of Courses, Suggested, 611, 643, 679, 722, 751
Germany, Higher Education, 564 Higher Education, 564
Industry and Education, Correlation. 67. See LETTER, 116
Physics, Teaching of, in Schools, 31. 70
Science in General Education, 591 — Teaching in Secondary Schools, See 31.
Scientific Education in Great Britain, Teaching, New Methods, 719 LETTERS, 88,
J-VCZ, 414, 431, 474, 493, 535, 552, See 207.
— of Electric Steel Furnaces, 112
— of Engines. See Engines.
— of Steam Turbine, 1*, 53*, 107*, 161*, 189*, 245*

Electric :

Alternating Current and Electric Oscillations, Measurement, 74
Alternator. See Generator and Turbo
Aluminium Production, Consumption of Energy, 219
Arc Furnace. See Furnace. Electric
Arcs, Low Voltage in Metallic Vapours, 696
Armature, Polyphase, Resultant Magnetic Field, 694*
Arresters, Lightning, 262
Balancers Three-Phase System Supplying Single-Phase Power, 691*, 723*, 754*
Battery, Sign of Zinc Pole, 96
Cables, Buried, N.P.L. Work, 122* Carbon Exhibits, Key Industries Exhibition, 439
Carbon, Resistivity in Hydrogen Atmospheres, 44
Central Stations. See Power Stations Choke Coils, Balancing, Single-Phase Load from Three-Phase Supply, 693*, 726*
Coherers. See Telegraphy, Wireless Coil-Winding Machines, Leesona, 246* Conductivity of Metals at Low Temperatures, 750
Dynamical Theory of Electric Engines, 560 Electrochemistry and Electrometallurgy, 751
Electrodes for Aluminium Furnaces, 191 Electrolytic Deposits, Complex Salts for, 718
— Zinc, 45
Electrons, Ring, 621
Electrotechnics at N.P.L., 121
Engines, Electric, Dynamical Theory of, 560
Filament, Carbon, Resistivity in Hydrogen Atmospheres, 44
— Tungsten, 241*, 269*
Furnaces. See Furnaces Generating Sets and Heavy Oil Engines , 127
Generating Stations. See Power Stations
Generator. See Generator Hydro-Electric Power Plants. See Power Plants
Ignition for Internal Combustion Engines. See Ignition
Insulation Exhibits, Scientific Products Exlribition, 248
— Spark Plug, Temperature and Resistance, 513*
Key Industries, Exhibits, 439
Lamps for Works Lighting, 620
Leesona Coil-Winding Machines, 246*
Lighting Equipment, Central Argentine Railway, 431
Lightning Arresters, 262
Machines. See Motors, Generators Magnetism, Terrestrial, B.A. Report, 44 Magnetos. See Ignition
Measurements, General, N.P.L. Research, 121
Metallic Vapours, Low Voltage Arcs, 696 Metals at Low Temperature, Currents in, 750
Mica Industry, War Development, 672 Motors. See Motors, Electric Muffle Furnaces. See Furnaces Oscillations, Method of Measuring, 74 Oscillograph Curves, Electric Furnaces, 111*
Oxide-Film Arrester, 282 Power Stations. See Power Stations Power. See Power
Pyrometer. See Pyrometer
Quenched Spark Phenomena, Radiotcle- graphy,294
Radiometer Eifects, Current Measurement, 74
Railless Traction on Roads. See Pailless Railways. See Railways
Rays. See Rontgen Resistance Changes in Annealed Steels, 162
— of Hardened Steel, 509*
— Insulating, at High Temperatures, 435
— of Porcelain and Magnesia, 332
— of Spark Plugs, Temperature Effect, 513*
— Variable, Control Gear, “ Wulsty Castle,” 140*
Resistivity of Carbon in Hydrogen Atmospheres, 44
— of Cold-Worked Steel, 104 Rontgen Rays. See Rontgen
Ship Propulsion. See Marine Propulsion Single-Phase Load Effect on Three-Phase Generator, 691*
Sound Propagation, Electrical Analogies, 756
Spark Plug Insulations, Temperature and Resistance, 513*
Starters, Motor. See Motors, Electric Street Railways. See Tramways Substation. See
Supply Industrv, Protective Association,
Switchboard. See Switcld)oard Switch Gear. See Switch Gear Telegraphy. See Telegraphy Terrestrial Magnetism, B.A. Report, 44 Thermojunctions, Thermal Conductivity of Aluminium, 123
Thermometer. See Thermometer: Pyrometer
Traction, Central Argentine Railway, 430 Traction. See Railways : Tramioays Train. See Railway, Electric Tramways. See Tramways Transformers. See Transformers Tungsten Filaments, 241*, 269* Units, Fundamental, N.P.L. Research, 121
Vacuum Tubes. See Vaemtm Tubes
Voltage Balancing, Single-Phase Load from Three-Phase Supply, 692*, 723*, 754*
Voltage Control in Electric Furnaces, 86*
Welding. See Welding
Winding Machines, Coil, Leesona, 246*
Windings, Balancer, Single-Phase Load for Three-phase Supply, 691*, 723*, 754*
Wireless Telegraphy. See Telegraphy
Wireless Telephony. See Telephony X-Rays. See Rbntgen Rays Zinc, Electrolytic, 45
— Pole, Sign of, in Battery, 96 See also PARAGRAPH INDEX
Electric Cast Steel Anchor Chain, 156. See 172
Electrical Engineers, Institution of. Dynamical Theory of Electric Engines, 560, High-Pressure and High-Temperature Steam in Large Power Stations, 617; Report, Patents and Designs Bill, 650 ; Supply of Single-Phase Power from Three- Phase Systems, by Dr. M. Walker, 691,* 723,* 754*; Notes on Regulations for Arc Welding, by H. M. Sayers, 695
Electricity-Works, Water Tube Boiler Plant, 126* '
Electrolytic Corrosion. See Corrosion -—Deposits, Complex Salts for, 718
— and Electrothermal Processes, 751
— Production of Aluminium, 163 * 191 * 218 , , ,
— Zinc, 45
Electro-Metals, Tilting Furnaces, 86 Electrons, Ring, 621
Electrothermal and Electrolytic Processes, 751
Elliptic Trajectory of Projectiles, 393,* 424.* See LETTERS, 552, 579*
— Gas.
— Internal Combustion,
— Internal Combustion,
— Internal-Combustion, Stations, 617
— Internal-Combustion, Exhibition, 248
— Internal Combustion, Mechanical Efficiency, 464
— Internal Combustion, Power Bating, 716
— Internal Combustion, for Submarines and Aircraft, 319. See LETTER, 383
— Internal Combustion, Temperature and Spark Plug Insulation, 513*
— Locomotive. See Locomotive
— Marine, Internal Combustion, Two r. Four-Cycle, 482*
— Marine, Rotation of Shafts, Synchroscopes for, 514*
— Marine, Standard, Canadian Vickers, 395*
— Motor Car. See also Engines, Petrol
— Oil, Diesel, Fuel Pump, 549*
— Oil. Diesel, Functional and Developments, 129
— Oil, Diesel. Geared, for Marine 618
— Oil, Diesel, for Submarines, LETTER, 383
— Oil, Diesel, Two v. Four-Cycle,
— Oil, Diesel. See also Engines, Internal Combustion
— Oil, Heavy, Functional and Structural Features, 127
— Oil, Heavy, Weiss High-Compression, 595*
— Oil, Marine, in the U.S., 618
— Oil, Semi-Diesel, Reversibility, 464*
— Oil, Semi-Diesel, Types and Characteristics, 461.* Erratum, 494
— Oil. See also PARAGRAPH INDEX
— Petrol, Aeroplane. See Aeronautics
— Petrol, Fuel Substitute Question, 412
— Petrol. See also Aeronautics
— Boom Plant, Central Argentine Railway, Electric Section, 428*
— Steam, Marine. See also Marine Propulsion and Turbines
— Traction. See Tractors
Engineers-in-Charge, Association of, Industrial Coal Economy, 442
— Club of Philadelphia, The Heavy Oil
Engine, by C. E. Lucke, 127 ; Electric Welding as Applied to Steel Ship Construction, 522 ; Nomenclature for Electric Welding, 522*
— Divisional, B.N. Division, 722
— Education. See Education
— Electric Power, Association, 85
— Institutions of. See Institutions
— Mathematics for, 71
— and the War, 559
— Woman, 642
Engineering and Allied Trades, Co-operation in, 712
— Education. See Education
— Enterprises, British, in China, 220. See 92
— Enterprise, British and Chinese Railways, 92
— Imports and Exports, 51, 202, 332, 508
— Industries, British, Prospects, 715
— Industries, Canadian, 68
— Industry, The Practician, 292
— Laboratories. See Laboratories; Education
— Methods, War Developments, 672
— Position of Women in, 438. See LETTERS, 535, 553
— Problems and Report, 70
— Propaganda in
— Societies. See
— Standards, Fine-Screw Threads, Tolerances, 268
— Works. See Works England, Petroleum in. 438
Equilibrium Diagrams, Alloys. See Metallurgy
Erection of Bridges. See Bridges
Errata, 18, 61, 202, 295, 340, 405, 419, 494, 713, 722
Etching. See Metallography
European Bauxite Deposits, 163
European War, British Bailway Transport, 519. See 529
British Steel Export Prospects, 377 Coal Trade, British, Post-War, 37 Coinage. Central Powers, 151 Effect on Tra le. See Trade Electrical Trade, Post-War, 20 Engineer and the War, 559 Engineering Materials, Imports, 51 Engineering Trades Committee, 566 German Merchant Fleet, 709
— — German War Profits, 116, 419, 566 Industrial Developments, 672
Iron and Steel Imports and Exports, 88
Iron and Steel Trade Materials, Post War, 23
Liquidation of Burdens and Future Industry, 91
— — Motor Transport Bepairing Work, 530 630
Munitions. See
— — Bailway Labour Gains, 716
- Railways, Narrow Gauge in France, 653
Advisory Council, 566 Reconstruction, Post War Problems 587. See 565, 708 ’
Russia’s Industrial Breakdown, 333 ^^5^’^^ Construction, Cost Appreciation, “—Ship Construction, United States and Canadian, 740*
European War, Submarine Chasers, American, Construction, 609*
Telegraphy, Aeronautics and the War, 655
Welding and War, 185, 213
World’s Steel Trade, 377
Eutectic Alloys. See Alloys under Metallurgy Evaporation, Boiler Testing, 25, 56, 481, See LETTERS, 116, 152, 169, 199, 237, 267, 297
— Processes. U.S. Salt Trade, 77,* 108* Evaporator, Swenson, Triple-Effect, 108* Excavator, 90-Ton Steam Crane, 657*
“ Excelsus ” Propeller Shaping Machine, 48* Exhibitions, British Scientific Products, 123, 177, 211, 233,* 246,* See 350. See LETTER, 238. Erratum, 295.
— New British and Key Industries, 408, 439
— See also PARAGRAPH INDEX
Expenditure, Select Committee, and National Shipyards, 13. See 215
Experimental Tank. See Tank
Explosion Apparatus, Coal Bust Testing, 378
— Boiler. See Boiler Explosion
— of Charcoal Jacket, Liquid Oxygen Containers, 687
Explosives, Primers Antimony Sulphide in, 88
— See also Guns and Explosives in PARAGRAPH INDEX
Export Trade. PARAGRAPH

FABRICATED Ships and the National Shipyards, 119
Fabrication in Shipbuilding, 508
Factory Lighting, 620
Factories, National, Expenditure Report, 630 Falling Weight Test, Railway Tyres, 545* Fan, Induced Draught, for Water-Tube Boiler Plant, Bristol, 126*
Faraday Society, Occlusion of Gases by Metals, General Discussion, 562, 583, See 572, 595* ; Gases Occluded in Steel, by Dr. T. Baker, 572. See 564 ; Balanced Reactions in Steel Manufacture, by Dr. A. McCance, 595*. See 563
Farming. See Agriculture
Fatigue, Muscular and Nervous, 14
Federation of British Industries, 534
Feed Water. See Water
Feeder Head for Ingot Moulds, 75*
Feldspars as a Source of Potash, 68
Fellows Gear Shaper Co., Gear-Cutting Fixtures, 195*
— Gear Shaper Co., Jig and Fixture Practice, 195*
Female Labour. See Labour
Ferric Oxide Determination in Refractory Materials, 541
Ferro-Chrome Industry, War Development, 672
Ferro-Concrete Reservoirs, Montevideo, 453*, ! 515* I
and Salt Water, 96 Ships. Sec Ships, Ferro-Concrete, and Shipbuilding
Tall Chimney, Saganoseki, 334*
Tanks for Oil Storage, Construction, 303*
— — Wharves, Singapore Bock and Harbour Works, 666* See also PARAGRAPH INDEX
Fibres Industry, Applied Chemistry, 689
Field Guns. See Guns
Fields, Sound, and Sound Antennas, 756 Fighting ’Planes, R.A.F., 614
Filaments, Tungsten, 241*, 269*
Filters, Light Products Exhibition, 248
Finance, Chinese, and Foreign Capital, 220
— Public Accounts, 13, 215
Financing of Chinese Railways, 92
Fire Box, N.Z., Narrow-Gauge Locomotive. 576*
Firebricks. See Befractcry
Fireclays, Analysis, 540. See 322
Fireclays, Swansea District, 622
Fireclay Goods. See Refractory
Fires, Gas, 456, 501
Firing of Boilers, Hand and Mechanical, 27. See LETTERS, 116, 152, 169, 199, 237, 267, 297, 353, 431, 474, 493, 535, 552, 579, 643
— of Glass Pots, 503
Fixtures, Jigs and Templets, 27*, 79*, 134*, 195*, 308*, 364*, 422*, 543*, 635*, 730*
— Works Practice. See Horner, J.
Flameless Combustion. See Surface Combustion
Flames, Luminous, Temperature, 264
Flat Irons, Tooling Fixtures, 543*
Fletcher, J. E., Cooling of Steel in Ingot and other Forms, 342*, 371*, 418*. See 337
Flexibility of Semi-.Mesel Oil Engines, 461 Flight, Mechanical. See Aeronautics
Floating Crane. See Crane
Floating Dock. See Dock
Floating Electric Power Station, 644*. See Erratum, 713
— Sheers. See Sheers
Flotation of Glass Sheets, 236*
Flue Dust, Corrosive Action on Firebricks, 472. See 503
— Gas, CO2 Percentage, Boiler Testing, 26, 55. See LETTERS, 152, 431. See 207
— Gas Temperature, Boiler Testing, 26, 55, 481. See LETTERS, 152, 169, 238
— Gas Temperature, COg Recorder, New, 515*
Flying Machines. See Aeronautics
“ Foainite,” Oil Fire Extinguisher, 383
Focussing Apparatus for Photomicrography, 448*
Forced-Draught Stoker, Self-Contained, 62*
Fore River Shipbuilding Corporation, 740
Foreign Mails by Aeroplane, Suggestions, 684
Foremen’s Duties and their Pay, 611
Foremen, Shop, Functions and Value, 718
Formula, Cosine, Simplified, 116
— of Load Relationship and Composition of Steel, 315. See 332
— Longitudinal Aberration of Ray through Thick Lens, 709 ®
— Oil, Production from Mineral Sources, 746
— Pumps, Diesel Engine, 549*
— See also Coul; Gas ; Oil Furnaces, for Aluminium Production, 163,* 191,* See 218
— Blast, Bosh Tuyeres, Notes on, 356.* See 336
— Blast, Potash Recovery in, 705 —• Boiler. See also Stoker
— Electric, Contact Arc, 110*
— Electric (A. C.) Control of, 86*,
— Electric, Graphite-Ring Type N. P. L.. 121
— Electric Meisscr, for Aluminium Production, 191*
— Electric Muffle, Wild-Barfield, 143*
— Electric, Oscillcgraph Curves, 111*
— Electric Products, Key Industries Exhibition, 408
— Electric, Single-Phase Transformer, Rotating Balancing, 723*
— Electric, Steel Refining, 86, 110*
— Electric, Temperature Uniformity, 435, 724*
— Exhibits, Products Exhibition, 249
— Gas-Heated, Metal-Melting, N. P. L., 120
— Open-Hearth, Principles of Design, 400.* See 338
— Open-Hearth, Waste Heat for Steam
Generation, 338, 567,* 597. See 402
— Refractory Materials. Standard 540, 569> See 322
Furness Shipyard, New, 82*

GALILEO on Air Resistance, 552
Galitzin Seismographs, 43
Ganisters, Raw, Analysis, 540
Gas, Acetylene. See Acetylene
— Blast Furnace. See Furnace, Blast
— Carbon Dioxide. See Carbon Dioxide
— Efficiency, Gas Investigation Report, 456, 501
— Engine. See Engines, Gas
Gas Engineers, Institution of, Gas Investigation Report, 455, 501:—(1) Unaccounted for Gas, 502. See LETTER, 535. See also 468 : (2) Corrosion of Dry Meters, 502 ; Corrosive Action of Flue Dust on Fire bricks, 503. See 472
— Furnaces. See Furnaces
— and Gas Works. See also PARAGRAPH INPEX
— Manufacture, Light Oil, andc. Recovery, 83
— Meters, Corrosion, 468, 502
— Meters, Inaccuracy and Treatment, 468, 502. See LETTER, 535
— Meters, Life of, 468, 502
— Methane-Air Mixture, Inflammation of, 718
-— Pressures in Carbonated Water, 89
•— Producer, Combustion in Open-Hearth Furnaces, 410. See 338
— Works, Manchester Corporation, Coke
Handling Plant, 367*
Gases, Acid, from Alkali Works, Pollution of Atmosphere, 149
— Argon, Preparation of, 324*
— By-Product, Recovery in Iron and Steel Works, 206. Erratum, 340
— and Liquids, Sound Propagation, 756
— Mixed, Preferential Catalytic Combustion, 478
— Occlusion by Metals, 562, 572, 583, 595*
— Rarefied, Vacua Measurements, 686
— Reducing, Action on Hot Copper, 495, 749
— Thomson-Joule Effect, 70
— See also Acetylene, Carbon Dioxide,
Carbon Monoxide, Hydrogen, Nitrogen, Oxygen, 666
Gasoline, Risk of Depletion, 633
— Synthetic, Electrochemically Produced, 317
Gatewood, W., Notes on Launching Ships, 710*
Gauge, Pressure, Amsler Testing Machine, 354*
— Structural, for British Railways, 519. See 539
— Testing Projectors, N. P. L;, 221*
— Testing Work of N. P. L., 180*
— Vacuum, 686
Gear, Automobile, Fixtures for Cutting, 195*
— Cutting Fixtures, 134,* 195*
— Cutting Machines. See Machine Tools
— Differential, Housing, Tooling Fixtures, 543*
— Lifeboat Transporting and Lowering, 49*
— Starting, Maybach Aero-Engine, 298*
— Steering. See Steering
— Toothed, Design, 265
— Transmission, Electric, Marine Diesel Engines, 618
Geared Turbines, Marine. See Marine PrO' pulsion
Gearing, Reduction, Turbo-Electric Installation, “ Wulsty Castle,” 140*
General Electric Company, Chain-Casting Experiments, 156. See 172
— Electric, Single-Phase, Driven by Prime Movers, 691*
— Electric, Three-Phase Giving Single-Phase Power, 691,* 723*
— Floating Electric Power Station, 644 -Turbo-Electric Plant, “Wulsty Castle,’ 140*
Generating Station. See Power Station Geodesy and Geophysical Science, B. Report, 43
Geological Survey, U. S., Petroleum flciency, 633*
Geology of the Persian Oil Fields, 438
Geometry, Descriptive, Work of Monge, German and British Trade. See Trade
— Cement Industry, 565
— Coal Industry, 413
— Coal Syndicate, Rhenish Westphalian, 409
— Council, Central Europe Trade and Industry, 264
— Higher Education, 564
— Industry and Alsace-Lorraine, 561 •— Interests in Alsatian Potash, 734
— Iron Industry, 114, 384, 566, 599, 690, 713
— Merchant Fleet, 709
— Mineral Wealth and Lorraine, 734
— Ports, Development, 654
— Prisoners and National Shipyards, 119
— Rolling Stock, Post-War Situation, 678
— Shipyard Company, 85
— State Electricity Supply, 547
— Submarine Campaign, Relative Failure 176
— Synthetic Rubber, 156
— Trade. See also PARAGRAPH INDEX
— War Coinage, 151
— War Profits, 116, 419, 566 Girder Sections, Stress in. 116
“ Glare ” in Micrometallography Illumination, 729
Glasgow Brewery, Gravity Conveyor, 165*
— -London, Suggested Post Office Aerial Service, 684
Glass Action upon Pots, 503
— Annealing of, as Affected by Composition, 148
— Bottle Manufacture, 739,
— Industry, Applied Chemistry, 689
— Optical. See Optical
— Pot Making, Clay Requirements, 503
— Pots, Firing, 503
— Sheets, Flotation of, 236*
— Solubility of Pot Materials, 503
— Technology, Society of, Refractory Materials and the Glass Industry, 503 ; Note on the Firing of Glass Pots, 503 ; Requirements of Clav for Glass Pot making, 503 ; Action of Certain Types of Glass upon Pots, 503 ; Solubility of Pot Material in Glass, 503; Silica Refractories for Glass Works Use, 614 ; Properties of Soda Lime Glasses, Annealing Temperatures. 614; Apparatus for Accurate Calibration of Burette Tubes, 739 ; Bottle Glass and Glass Bottle Manufacture, 739
— Works, Silica Refractories for, 614
Glasses, Soda Lime, Annealing Temperatures, 614
Glassware, British Products Exhibition, 212. See LETTER, 238
Glenfield and Kennedy, Lathe Attachments, 309*
Goldschmidt Process of Detinning, 701 Government Interference between Labour and Capital, 421
— Property, Disposal Committee, 566. See 588
Governors, Turbine, “Wulsty Castle,” 82*
Grain Growth in Metals, 328*. 357*. See 306
Grainer in Salt-Making, 109*
Graphical. See Diagrams
— Treatment, Approximate, of Strut Problems 699*
Graphite Crucibles, Electrically-Heated, Morgan, 657*
Key Industries Exhibition, 439
— Formation, Iron-Carbon Alloys, 217*
Graphs, Mathematics for Engineers, 71
Grate, Locomotive, N.Z. Narrow-Gauge Engine, 576*
— See Boiler, Stoker
Graticules, Rheinberg, andc.. Products Exhibition, 235, 248
Gravitation and Relativity, 696
Gravity Conveyor. See Conveyor
Gray, W. R., Shipbuilding Developments in the U.S. and Canada, 740*
Greenhill, G., Elliptic Trajectory over the Earth, 393*, 424*. See LETTERS, 552, 579*
Greenock and Grangemouth Co.’s Method of Ship Construction, 64.
Grinding Machine. See Machine Tools Guillery Hardness and Impact Testing Machines, 385*
Gun, 6-Pdr., Model New Type, 679*
— Dial Sights, War Developments, 673
— Long Range Fire, Elliptic Trajectory, 393*, 424*. See LETTERS 552, 579*
— Needle, Inventor, 169
.— See also Ballistics, Projectiles, and PARAGRAPH iNLli
Gunmetal, Admiralty. See Metallurgy Gyroscopic Disc Action in Shafts, Critical Speeds, 665*

HADFIELD, Sir R., Hardness Testing Report, Commentary, 444*, See 322
Haerle, H., Strength of Rotating Discs, 131. See LETTER, 611
Hahnemann, W., Sound Fields and Sound Antennas, 756
Hall Process in Aluminium Production, 163
Hallimond, A. F., Telescopic Focussing Apparatus for Photomicrography, 448* Hamburg Port Development, 654
Hammer, Quadruple, Repeated Shock Testing, 385*
Hammer, Swinging, Amsler Testing Machine 385*
Hammers. See also Machine Tools Handley-Page Giant Aeroplanes, 350
Handling Appliances for Shells, 69*
Handling Coke, Manchester Station, 367*
Hangers, Spring, Tooling Fixtures, .543*
Hanson, I)., Rapid Recrystal Hsation in Informed Non-Ferrous Metals, 403*. See 306
Harbour Developments, South African, 499
— and Dock Works, Singapore, 603*, 666*, 702*
— at Sandwich Haven, Pre-War Scheme, 679
— See also PARAGRAPH INDEX Hardening. See Metallurgy
Hardness, Definition of, 153, 353. See Vol. CV, p. 535
— Tests. See Tests {Materials) Harmonic Analysis of Tides, 43 Hashiguchi, H., Weight Constituents of a Cargo Ship, 515*
Health Insurance. See Labour
Health of Munition Workers, 14
Heat Transmission through Heavy Building Materials, 735
— Transmission Tests, 95
— Treatment of Metals. See Metallurgy
?— Waste, Open-Hearth Furnace, for Steam
Raising, 338, 567*, 597*. See 402 Heating Curves, Alloys. See Metallurgy
— Gas Efficiency, 456, 501
— and Ventilation, 351
Heclit, H., Sound Fields and Sound Antennas, 756
Helical Gears. See Qears
Hematite Prices. See Metal Price D iagrams
Henrici, Professor 0., the Late, 172
Henry Street Station, Brooklyn, Connecting Tunnel Tubes in Quicksand, 183*
Heroult Furnace for Producing Aluminium, 163*
Hertzian Wave Telegraphy. See Telegraphy, Wireless
High-Compression Heavy Oil Engine. Weis.s. 595*
— Temperature Tests. See Tests {Materi(ds) Highways. See Loads
Hingley, Sir G. B., Bart., the Lat(‘, 199
H. M. SS. See under Warskips
Hog Island Shipyard, Lay-out Data, 172
Hoists. See Cranes, Conveyors
“ Hole-Hog ” Machines, Motor-c^'ljiuh'r Fixtures, 730*
Ilollings, T., A Few Notes on Bosh 'ruycres, 356*. See 336 1 Honours. See Naval in PARAGRAPH INDEX
Hopkinson, Professor Bertram, the late, 224 Hopper Dredger, 1,500-ton, Twin-Screw, 640*
Horner, H. A., Electric Welding as Applied to
j D.S. Steel Ship Construction, 522 Horner, J., Templets, Jigs and Fixtures. 27*. 79*, 134* 195*, 308*, 364*, 422*, 543*. 635*, 730*.

Works Practice:—

Acme Machine Tool Co., 364* ; Becker Milling Machine Co., 543* ; Blanchard Machine Co., 27* ; Britannia Engineering Co., 730*; Brooke Tool Manufacturing Co.. 79* ; Brown and Sons, David, 134* ; Brown and Sharpe Manufacturing Co., 364* : Fellows Gear Shaper Co., 195* ; Glenfield and Kennedy, Ltd., 308* ; Kearney and Trecker Co., 635* ; Moline Tool Co., 730* ; Ransome, Sims and Jefferies, L+d.. 364* ; George Richards and Co., Ltd., 730* Wolseley Motors, Ltd., 422*
Hot Deformation of Steel. See Metallurgy
Hurst, J. E., Formation of Graphite in the Iron-Carbon Series of Alloys, 217* : Method for the Prevention of Growth in Grey Cast Iron, 415*. See 323
Hutton, Professor F. R., the Late, 15
Hydraulic Plate Shears, Steam, 385. Addendum, 405
— Power Plant. See Power Plant
— Pump. See Pump
Hydraulics. See Irrigation and Water Hydrochloric Acid Apparatus, Aluminium Production, 191*
Hydro-Electric Energy, Continental State Supply, 547, 574
— Power, British Empire, 236
— Power Plant. See Power Plant
— Power Supply, Tata, Bombay, 613
— Steering Gear, “ Wulsty Castle,” 213
Hydrogen, Solubility in Metals, 563, 572, 583
Hysteresis, Magnet-Magneto. See LETTER 553

ICE, Formation, Prevention by Compressed Air, 324
— Making Machine, Multiple Effect Compression, 201*. See Letters, 352*.
—. See also Refrigeration.
Ignition, Magneto-Magnets, Technics of, 361.* See LETTER, 553.
— Magnetos, Products Exhibition, 248
— of Oil in Tanks, 203. See LETTER, 383
— Plugs, War Development, 673
— Temperatures of Heavy Oil Engines, 128
— 300-h.p. Maybach Aero-Engine, 255, 298
— 200 h.p. Austro-Daimler Aero Engine, 537*
Igranic Motor Starting Panel, 235.*
Illinois University, Investigation of Twist Drills, 451* ; Rigidity of Riveted Joints of Steel Structure’s, 638*
Illumination in Micrometallography, 729
— Works Lighting, 620
— See also Light, Lighting, and Lamps under Electric
Impact Tests. See Tests {Materials).
“ Imperatritza Maria,” Salvage of, Attempted. 46
Imperial College of Science, Chemical Technology Department, 500
Imponderables, The, 649 Import Trade. See Trade.
Impulse Turbines. See Turbines Incandescent Gas Lighting, 456, 501
Income Tax and Depreciation of Plant, 169 India, Scientific Research in, 606
Indicator,Optical ,for End-Measuring Machi nr, I N.P.L., 221*
Industrial Agreements and Disputes. See Labour Industrial Notes
— Army, Selection of OfUcers. 679
— Breakdown in Russia, 333
— Goal Economy, 442
— Combination, 7 ; See Vol. GV., 633.
— Councils, Advantage of, 421
— Demobilisation, 534, 651
— Era, New, 91
— Future of Women, 685
— Lighting, 626
— Notes. 17, 46, 60,84, 112,152,168,200, 224, 266, 296, 325, 339, 370, 399, 440,460, 504, 533, 565, 592, 609, 641, 676, 707 73 7.
— Prospects, British, 715
— Reconstruction, 437, 565, 587, 708
— Reconstruction, Joint Industrial Councils, 48
— Research in India, 606
— Resources, Mobilisation for Munition
Making. See Munitioizs
— and Scientific Research, Advisory Council Report, 261
Industries, Agricultural Research in India, 606
— Aluminium, Production of, 163*, 191*, 218
— British, Federation, 534
— British, and Government Policy, 534
— Canadian Steel, Engineering and Shipbuilding, 68
— Cement, World’s, 565
— Central Europe, German Council, 264
— Chemical, Bearing of Physical Chemistry, 748
— Chemical Research in India, 606
— Chemistry, Applied, 689
— Chinese, British Interests, 220. See 92
— Colloid Chemistry Applications, 69
— Continental State Electricity Supply, 574
— Education of the Workers, 67. LETTER, 116
— Effect of Coal Trade Crisis, 175
— Electrical, Protective Association, 85
— Electrometallurgical, 751
— Engineering, Position of Women, 438. LETTER, 535
— German, and Alsace-Lorraine, 561
— German Coal, 413
— German Iron, 114, 384, 566, 599, 690,
— German Synthetic Rubber, 156
— German War Profits. 116, 419, 566
— Glass, and Refractory Materials, 503
— Key, Exhibition, 408, 439
— Machine Tool, War Development, 672
— Mineral Resources Bureau, 125
— Norwegian State-Aided Iron and Steel Works, 115
— Potash, Alsace, 734
— Potash Production, U.S., 704
— and the Practician, 292
— and Profits, 650
— Raw Materials, Post-War Requirements Committee, 566
— Reconstruction Problems, 587. See 565,708
— Rhenish Westphalian Coal Syndicate, 409
— Scandinavian Shipbuilding, 510
— Scientific Products Exhibition, British, 123, 177, 211, 233*, 246*. See 350. See LETTER, 238. Erratum, 295
— Shipbuilding, Reconstruction, 508
— Shipping Tonnage and Prosperity, 652. See LETTER, 679.
— Swansea District, and Science, 542, 622
— Tinplate Manufacture and Detinning, 701
— and Trade, Dominion, 498
— War Developments, 672
— Zinc, 486
— See also Trade and PARAGRAPH INDEX
Inflammation of Methane-air Mixtures, 718
Ingot Moulds, Feeder Head for, 75*
— Steel, Contraction and Pipe, 342*, 371*, 418*. See 337
— Steel, Defects in, 34*
— Tungsten, Effect of Temperature, 269
— Tungsten, Sintered, Effect of Thoria, 241*, 269*
Injection, Semi-Diesel Oil Engine, 461* Inkstand for Differently Coloured Inks, 75 Inland Navigation. See Canals Institute, Geodetic, Suggested, 43
Institution, Swansea Scientific, Proposed, 622
Institutions. See Aeronautical Society of Great Britain; American Institute of Mining Engineers ; American Society of Mechanical Engineers ; American Soci^y^ for Testing Materials ; British Association ; Ceramic Society, Befractory Materials Section; Chemical Society ; Civil Engi- neers. Institution of', Cleveland Engineering Society ; Gong^lis du Ginie Civil;, Electrical Engineers, Institution of; Engineers- in-Charge, Association of', Engineers* Club of Philadelphia; Faraday Society; Gas Engineers, Institution ofGlass Technology, Society of; Iron and Steel Institute ; Japanese Society of Naval Architects; Junior Institution of Engineers ; Mechanical Engineers, Institution of'. Metals, Institute of ; Naval Architects and Marine Engineers, American Society of'. North East Coast, Institution of Shipbuilders and Engineers', Optical Society', Petroleum Technolo” gists. Institution of'. Physical Society', West of Scotland Iron and Steel Institute
Instrument and Inventions, Aeronautical Committee’s Sugge.stions, 19
— Measuring, for Boiler Plant, 207
— Optical, Products Exhibition, 234, 248*
— See also Electric
Insulation. See Electric Insurance, Workmen’s. See Labour Internal Combustion Engines. See Aeronautics ; Engines ; Motor Cars ; Motor Boats ; Tractors
Inventions Committee, Air, Suggestions to Inventors 19
— See also Patents under Legal Inventive Capacity in Workshops 41 Invergordon Dockyard Expenditure, 630 Involute Teeth, Design, andc. ,265 Iodine and Cai bon Sorption, 562 Iridium, Influence of Occluded Gas, 584 Iron Alloys. See Metallurgy and Steel
Iron Case Hardening. See Metallurgy
— Corrosion. See Corrosion
— Foundry. See Foundry
— Furnaces. See Furnaces,
— Heat Treatment. See Metallurgy,
— Imports and Exports, 202, 332
— Industry, German, 114, 384, 566, 599, 690, 713
— Ore. See Ore
— Oxide, Action on Silica Bricks, 71
— Post-War Trade Materials, 23
— Rolling Mills. See Bolling Mills
— See also Steel: Metallurgy
— and Steel, Home and Export Prices, 646
— and Steel, Imports and Exports, 51, 88

Iron and Steel Institute :

Autumn Meeting, 294
Defects in Steel Ingots, by J. N. Kilby, 34* Determination of Cobalt and Nickel in Cobalt Steel, by Dr. W- K. Schoeller and A. R. Powell, 75
Effects of Cold-Working on the Elastic Properties of Steel, by J. A. Van Broek, 99*
Influence of Hot Deformation on the Qualities of Steel, by Georges Charpy, 310*. See 321, 467
Influence of Some Elements on the Tenacity of Basic Steel, with a New Formula for Calculating the Maximum Load from the Composition, by Dr. A. McWilliam, 315*. See 322
Experiments on the PvcactiOn between Pure Carbon Monoxide and Pure Electrolytic Iron below the Al Immersion, by Prof. H. C. H. Carpenter and C. C. Smith, 323
Method for Prevention of Growth in Grey Cast Iron, by J. E. Hurst, 415*. See 323
Warping of Steel through Repeated Quenching, by J. H. Whiteley, 340.* See 324
Utilisation of Waste Heat from Open- Hearth Furnaces for Generation of Steam, by T. B. Mackenzie, 567*. 597*, See 338
Cooling of Steel in Ingot and other Forms, by J. E, Fletcher, 342*, 371*, 418*. See 337
A Few Notes on Bosh Tuyeres, by J. Soilings, 356*. See 336
Principles of Open-Hearth Furnace Design, by C. H. F. Bagley, 400*. See 338
Report on Hardness Testing : Relation between Bali Hardness and Sclerescope Hardness, by A. F. Shore, 444*. See 322. Commentary, by Sir R. Hadfield, 444*. See 322. .
Relation between Brinell Ball Test and Sclerescope Readings, by J. J. Thomas, 444*. See 322
Telescopic Focussing Apparatus for Photomicrography, by A. F. Hallimond, 448*
Standardisation of Tests for Refractory Materials, by Cosmo Johns, 540, 569*. See 322.
Rate of Change at 100° C. and at Ordinary Temperatures in the Electrical Resistance of Hardened Steel, by E. D. Campbell, 509*
Iron and Steel, Magnetic Properties, Linear Equations, 362. See LETTER, 553
— Steel Works, Norwegian State Subsidised, 115
— Works, By-Product Recovery, 206. Erratum^ 240, 340
— See also PARAGRAPH INDEX
— Tests. See Tests {Materials)
— Welding. See Welding
— Works. Sec Works
“ Ironac ” Exhibits, Products Exliibition, 211 Ironwork, Structural. See Bridges^ Columns,
Floors^ Roofs, Steelwork
Irrigation in Australia, 499
— See also PARAGRAPH INDEX

JAPANESE Industrial Interests in China, 220
— Society of Naval Architects. Devices for
Comparing the Rotation of Shafts, by Prof. Suyehiro and T. Tsuchiya, 514*; Measuiing CO2 in Chimney Gas and a New CO2 Recorder, by A. Naito, 515* ; weight Constituents of a Cargo Ship, by H. Hashiguchi, 515.
— Tall Chimneyat Saganoseki, Wind Pressure, 334*
Jeffries, Dr. Zay, Metallography of Tungsten, 239*, 269*, 300*. Sec 328*. Grain Growth in Metals, 328*, 357*. See 306
Jigs, Fixtures and Templets, 27*, 79*, 134*, 195*, 308*, 364*, 422*, 543*, 635*, 730*. Works Practice. See Horner, J,
Johns, Cosmo, Standardisation of Tests for Refractory Materials, 540, 569*. See 322 ; Science in Relation to the Industries of the Swansea District, 542, 622
Johnson, F., Alloys of Copper and Zinc, Some ' Mechanical Properties, 308 ; Influence of Impurities on the Mechanical Properties of Admiralty Gun Metal, 330. See 307
Joint Industrial Councils, Reconstruction Work, 48
Joints, Riveted. Rigiditv on Steel Structures, 638*
— Welding of. Efficiency and Failures, 320
— Welding, Types, 523*
Joule, J. P., Life and Work, 670
Joyner, R. B., Tata Hydro-Electric Power Supply Works, Bombay, 613
Junior Institution of Engineers, Road Transport, by Col. Crompton, 745

KEARNEY and Trecker Co.’s Milling Fixtures, 635*
Keen, A. T., the Late, 18
Kellaway, F. G., War Developments in Industry, 672
Kelp, Potash Industry, 704
“Kelvin” Lecture, Dynamical Theory of Electric Engines, 560
Key Industries Exhibition, 408, 439
Kilby, J. N., Defects in Steel Ingots, 34*
Kiln, Cement, Potash Industry, 705 Kinematics of Machinery, 97
Kinetic Plant, Ljungstrom Turbo-Electric Installation, “ Wulsty Castle,” 140*
King’s Dock, Singapore Harbour Works, 702*
Kinkead, R. E., Electric Arc Welding, 185
Kirk, G. L., Design and Construction of Diesel Engine Fuel Pumps, 549*
Knox, H. G., Nomenclature for Electric Welding, U.S., 522* '
Knudsen Vacuum Gauge, 686

LABORATORY Apparatus, Tantiron, 154* Laboratories. See also National Physical

Labour:

Absenteeism, Influence on Coal Production, 175
Apprentice Clubs, 440
Australian Strike Statistics, 499
Bolshevik Influence on Russian Industry, 333
Bonus or Piece Work, Women’s Wages Question, 231
British Industries Federation Resolutions, 534
Capital and Labour, Co-operation of, 623. See LETTER, 722
— and Labour, Joint Relations, 421. See LETTER, 492
Draughtsmen and Engineering Unions, Amalgamation, 4*^4, 494
Efficiency and Health, Interrelation, 14
Embargo Strike, Munition Workers, 120 Employers and Employed, National Alliance, 437
— Liability in America, Effects, 670 Female Labour, Demobilisation, 651
— Workers, Equal Pay for Equal Work, 321
Foremen, their Duties and Pay, 611
— Shop, Functions and Value, 718 Government Interference Question, 421 Health of Munition Workers, 14 Hours of Work, Hygienic Aspect, 14 Industrial Councils, Advantage of, 421
— Demobilisation, 651
— Era, New, Economic Possibilities, 91
— Notes 17, 46, 60, 84, 112, 152,168, 200, 224, 266, 296, 325, 339, 370, 399, 440, 460, 604, 533, 565, 592, 609, 641, 676, 707, 737
— Notes. See PARAGRAPH INDEX Invention and Suggestion in the Workshop, 41
Labour Issue, 623. See LETTER, 722
— and the Labour Party, 205
Leaders, Labour, and Politics, 205
Limitation of Output Question, 623
Miners, Coal, Demands, Economic Effect, 175
Moral and Social Aspects of Labour Problem, 623. See LETTER, 722
Munitions Ministry, Mismanagement of . Labour, 205
Munition Workers, Health of, 14
National Alliance of Employers and Employed, 437
— Officials in Engineering, andc., Works, 722
Output, Limitation Question, 623 Payment by Results, 7. See 281, 492.
See LETTERS, 326, 352, 414
Piece or Bonus Work, Women’s Wages Question, 231
— Work, Straight, and Bonus Payments, 7. SeeVol.CV, p. 595
Premium Bonus System, Working, 281. See LETTERS, 326, 352, 414. See also 492
Railway Service, Pre-War Conditions, 747
— Unionism, War Gains, 716
Rate Cutting and the Premium Bonus System, 281. See LETTER, 352
Reconstruction Problems, 587. See 565, 708
— Problems and the National Alliance, 437
Rowan Premium Bonus System, Working, 281. See LETTERS, 326, 352, 414. See also 492
Shop Stewards, Limits of Authority, 623
— Stewards’ Movement, 205
Skilled Labour, Demobilisation, 651 State Insurance, Need for Development, 421
Strike, Embargo, Munition Workers, 120 Suggestions in the Workshop, 41 Union Leaders, Present Position, 623 Unionism and Politics, 205
— and Women Worker’s Claims, 686 Unskilled Labour, Demobilisation, 651 Wages, Women’s, Equal Pay for Equal Work, 231
Welding Operators, Arc, Safety Regulations, 695
Welfare Work, 14
Women in Engineering Industries, 438. See LETTER, 535, 553
— Industrial Future of, 685
— Navvies at Furness Shipyard, 82*
— Workers, Equal Pay for Equal Work, 231
— Workers and Health, 14
Worker, Employer and Unsolved Problem, 421. See LETTER, 492
Workmen’s Compensation in America, Effects, 670 See also PARAGRAPH INDEX
Lakes, Desert, U.S. Potash Industry, 705
Lamp Photometry, N.P.L., 121
Larderello Natural Steam Power Plant,
Turbines for, 339*
Lathes. See Machine, Tools
Launching, Notes on, 710 Cast-iron
Lavaud Centrifugal Machine
Piston Kings. 687. See Brraiww. 722
Law. See LegaZ
Lead Oxides for Paints, andc., 2ii
Lead. See also Metallurgy
League, Women’s Industrial, 685
Leeming, E. L., Koad Corrugation, 642
Leesona Electric Coil-Winding Machines, 246

Legal ;

British Patents, Foreign
Insurance, Workmen’s. See Laoowr Labour Legislation, See Lodoiy Patents, Designs and Trade Marks, Ke- nort, 151
—? Law Keform, 38, 383, 493
— Legislation, 650 . Tpvri-
Private Property Law in Ceded Teiii tories 734
Workmen’s Compensation. See Labour SQQ also PARAGRAPH INDEX
Lennox Foundry, Tantiron Products 154
Letters to the Editor, 6, 38, 61, 88, 116, 152, 169,199, 237, 267, 297, 326, 352, 382, 41 , 431, 474,492,53o, 5o2, 5<9, 611,643,679, 722 751
Levels, Spirit, Bubble Tubes, 709
Liberty Motor, Design, andc., 9
Lifting Gear, Hog Island Shipyard, 264
Light, Action on Crystals, 653 .
— Application of Doppler 729
— Concentration in Micrometallography, 729 Filters, Products Exhibition, 248
—Polarised, Stress Determination by. bee Pressure of, Measurement, 74
Lighting, Electric. See Llectnc
— Gas. See Gas
,— Industrial, 620
in Kefractory Materials, 541
Liners. See Steamers; Ships oQ<y
“Liquid” Crystals, 349. See LETTERS, 382, and^Gases, Sound Propagation, 756
— Skins, Breaking of, 495
— See Oil Fuel , xr. T OOA
TT 26^’295^ 351, 380 412, 486, 620, 654, 688, 719, 750
Machinery,
" wulsty Castle,” 30*, 82*, 140*
Tinvd’s Kegister, Electric lA elding Tests, 197 Kl IS in Three Bearings, Whirling Loadi^lc^ugl^BriTishK^lways 510. See 529 Local Authorities. See Municipal
Locomotive Cranes. See
— Express, 3 ft. 6 in. Gauge, N.Z., 5^
Goods, for Victorian Railways, 10
—.Road. See Motor; Tracts
- Str“eriSlt"Tz.’ Egress Narrow Gauge Locomotive, 576*
Z See also’^fiSaj/s^n P^AQRAPH INDEX
Sn^^iasTowTSke^dlost Office Aeriai L. rNAV.^Baihvay Works, 4-ton Drop lon<ffin°Underground Railways. See Vnder- Long^-Ra^e Gunfire, Elliptic Trajectory, 393*, 424*. See LETTERS, O52, 679*
Lorraine and German Mineral Wealthj^734
Low Temperature Carbonisation in Oil Pro Lowering and Transporting Gear for Life- Tubr^Sb^ng^Oil Production, Situation, 633* ISuot 300-h.p. Maybach Aero-Engine 200-h.p^Austro-Daimler Aero-Engine, 488*, 537*
o and 4-Cycle Marine Engines, 482
— Sands Oil Separator, 475*
Semi-Diesel Oil Engines, 461’
Lubricators, New Zealand Locomotives, Narrow Gauge Express, 576 _
Tneke C E., The Heavy Oil Engine, 127
Ludwik Cone Hardness Determination 385* Hardness Tests, 478. See 469, 588 Luffing Crane, Bowtell, 706
Luminous Flames, Temperature, 264
Lyshffim TravcrX Plate Punch, 740*

Machine-Shops, Alignment Jester and Microscopic Tool-Setter, 398 TTivtures
M— i™’ 543*, 635*, 730*
Works Practice. See Horner, J.
Machines, Testing, See TestiW Machirtes
Machine Tool Industry, War Development, 67-

Machine Tools

Alignment Tester (Cambridge Scientific Instrument Co., Ltd.), 398
?Rppker Milling Fixtures, 543
Boring Mill Fixtures, Cylinder Chucking (George Richards and Co., Ltd.), 730
Cutters, Cylinder, Boring, 422*
Drill Head, Turret, ^'ojin 5-Spindle (Spafford Tool Works), 723
Drills, Tavist, Operation Experiments, 451*
Fortin 5-Spindle Turret Drill Head (Spafford Tool Works), 723
Gear Shaper Cutter System (Follows Gear 1 Grinder,^^B?anchard Vertical Surface, Fixtures for. 27*
Hammer, Stamping, 4-ton Drop (Brett Patent Lifter Co.), 736*
“ Hole-Hog ” Drilling and Boring Machine Fixtures (Moline Tool Co.), 730*
Lathe Fixtures for Motor Cylinders (Britannia Engineering Co,), 730*
Lathes, Shell, Adaptations, Cunard Factory, 3*, 57*
— Subsidiary Fittings, Glenfield and Kennedy’s Practice, 309"
Log Band Saw, Vertical (A. Ransome and Co., Ltd.), 146*
Milling Machine Fixtures, Becker, 543*
— Machine, Thread (Richards Thread Milling Machine Co. (1918), Ltd., 613* Moulding Machines, Foundry. Sec Moulding
Plate Shears, Steam Hydraulic (Duncan Stewart and Co., Ltd.), 385*. Addendum, 405
Propeller Shaping jMachine, “Excelsus” (A. Ransome A Co., Ltd.), 48*
Saw, Band, Vertical Log (A. Ransome A Co., Ltd.), 146*
Shaping Machine, Propeller. “Excelsus” (A. Ransome A Co., Ltd.), 48*
Shears, Plate, Steam Hydraulic (Duncan Stewart A Co., Ltd.), 385*. cZwTM 405
Thread Milling Machine (Richards Thread Milling Machine Co., (1918) Ltd., 613*
Tool Setter, Microscopic (Cambridge Scientific Instrument Co., Ltd.), 398*
Turret Drill Head, Fortin 5-Spindle (Spafford Tool Works), 723* See also PARAGRAPH INDEX
Machine Work. See Machine Tools and Jigs Machinery, Agricultural, Imports and Exports 508
— Depreciation and Income Tax, 169
— Dominion Trade, 499
— Exports, British, to Malay Peninsula, 74
— Imports and Exports, 202, 332, 508
— Kinematics of, 97
— and Plant in Applied Chemistry, 689
— Ship. See Marine
— Testing. See Testing Machines McCance, Dr. A., Balanced Reactions in Steel
Manufacture, 595*. See 563
McEntee, W. (N.C.), Propulsipn of Cargo Ship with Parallel Middle Body, 752*
McLarty, D. L., Payment by Results, 281. See LETTERS, 326, 352, 414. See also 492
Mackenzie, T. B., Utilisation of Waste Heat from Open-Hearth Furnaces for the Generation of Steam, 567*, 597*. Sec 338, 402
McWilliam, Dr. A., Influence of Some Elements on the Tenacity of Basic Steel, with a New Formula for Calculating the Maximum Load from the Composition. 315*. See 322
Magnesia, Determination in Refractory Materials, 541
^tagnesite, Analyses, 542
— as Raw Material, 472 Magnesium Alloys, Reactive, 85
— Exhibits, Products Exhibition, 211 Magnetic Disturbances, N.P.L., 121
— Elements of Magneto-Magnets, 362*. See LETTER, 553.
— Fixtures, Blanchard Surface Grinder, 27*
— Steel, N.P.L. Research, 121
— Tests, N.P.L., 121
Magnetisability of Materials, 361*. See LETTER, 553
Magnetism, Ring Electrons, 621
— Terrestial, British Association Report, 44 Magneto. See Ignition
Magnets, Elements of Design, 363*. See LETTER, 553
Mails, Foreign, by Aeroplane, Suggestions, 684 Mains, Electric. See Cables under Electric. Malay Peninsula, British Machinery Exports, 74
— States, Tin Mining, 202 Man Power. See Labour
Manchester Corporation Gas Works, Coke Handling Plant, 367*
Mandril for Shell Boring and Facing, 57* Manufactures and Technical Education, 715.
— See also Trade and Machinery
Manure, Chemical, Alkali Worfe Report. 149 Marine Auxiliary Machinery, Oil Pumps, “ Wulsty Castle,” 32*, 82*
Marine Boilers. See Boilers
Marine Engineers and Naval Architects, American Society of. See Naval Architects
Marine Engines. See Engines^ Turbines^ Marine Propulsion
Marine Propulsion, Cargo Ships, with Parallel Middle Body, 752*
— Propulsion, Engine, Boiler and Machinery
Data, 295
— Propulsion and the Heavy Oil Engine, 127
— Propulsion, Hydro-Electric Steering Gear,
“ Wulsty Castle,” 213
— Propulsion, Ljungstrom Turbo-Electric
Machinery, “Wulsty Castle,” 30*, 82*, 140*
— Propulsion, Machinery of T.S.S. “ Stavangerfjord,” 200*
— Propulsion, Oil Engines in U.S., 618
— Propulsion, Rotation of Shafts, Devices for Comparing, 514*
— Propulsion Turbines, Double-Reduction Geared, for single-screw Cargo Steamers, 744*
— Propulsion, Turbine, Geared steam. Atlas Co., 675*
— Propulsion, Two v. Four-Cycle Internal Combustion Engines, 482*
— Propulsion, Weiss High-Compression Heavy Oil Engine, 595*
— Propulsion. See also Engines, Propellers, and PARAGRAPH INDEX
— Salvage. See Salvage
— Turbines. See Turbines, Steam Maritime Engineering, Tidal Lands and Shore Problems, 72
Markets, Chinese, and British Interests, 220 Markets. See also Trade Metal Price Diagrams and PARAGRAPH INDEX
Masonry Dams. See Dams
Martin, H. M., New Theory of the Steam Turbine, 1*, 53*, 107*, 161, 189*, 245*
Materials, Engineering, Imported, 51
— Iron and Steel Trade, Post-War, 23
— Mechanical Properties of, 407
— Strength of. See Stress and Tests {Mate
rials}
Mathematical Tables and Eormulse, 720
Mathematics for Engineers, 71
— Numerical Trignometry, 720
Matter, Structure of, Ring Electrons, 621
Maybach Aero-Engine. See Aeronautics
Maycock, W. P., The Late, 20
Measurement of High Vacua, 686
— Optical, N.P.L., 179*
— of Temperature, 380
Measuring Instruments for Boiler Plant, 207
— Machines, N.P.L., 180*, 221*
— Machines, Screw Pitch, N.P.L., 208*
Mechanical Efficiency, Internal-Combustion Engines, 464
— Engineers, American Society of. See American
— Engineer in War, 559
Mechanical Engineers, Institution of : Ludwik Hardness Test, by Dr. W. C. Unwin, 478. See 469, 588*
Value of the Indentation Method in the Determination of Hardness, R. G. C. Batson, 475*. See 469*, 588*
Mechanical Elight. See Aeronautics
— Properties of Materials, 407
— Stoker. See Stoker
Medical Applications of X-rays, 592
Meisser Electric Eurnace for Aluminium Production, 191*
Melting Eurnaces. Sec Furnaces
Memorial, Women’s Industrial League, 685 Mendheim Eurnaces for Aluminium Production, 191*
Merchant Ships. See Ships, Shipbuilding
— Steamers. See Steamers
— Traders, Government Neglect, 258 Mercury Thermometer. See Thermometer Metals, Action of Alpha Rays, 531
— British Products Exhibition, 211
— Copper, Hot, Action of Reducing Gases, 495, 749
— Copper Zinc Alloys, Mechanical Properties, 308
— Currents, Electric, at Low Temperatures, 750
— Deformation under Hardness Tests, 469*
— Dominion Trade, 499
— Electrodeposition, Complex Salts for, 718
— Grain Growth in, 328*, 357*. See 306
— Gun-Metal, Admiralty, Influence of Impurities on Mechanical Properties, 330*. See 307
— Hardness as Periodic Function of Atomic Weights, 288*. See 293
— Melting Furnaces, Gas-Heated, N.P.L., 120

Metals, Institute of:

Council, 292
Membership, 305
Effect of Progressive Cold Work upon the Tensile Properties of Pure Copper, by W. E. Alkins, 283*. See 292, 468
Resistance of Metals to Penetration under Impact, by Professor C. A. Edwards, 285*. See 293
Hardness of Solid Elements as a Periodic Function of their Atomic Weights, by Professor C. A. Edwards, 285*, 288*. See 293
Alloys of Copper and Zinc, an Investigation of some of their Mechanical Properties, by E. Johnson, 308
Grain Growth in Metals, by Dr. Zay Jeffries, 328*, 357*. See 306
Influence of Impurities on the Mechanical Properties of Admiralty Gun-Metal, by E. Johnson, 330*. See 307
Rapid Methods of Estimating Phosphorus in Bronzes, by T. E. Rooney, 332. See 305
Annealing Cold-Rolled Aluminium Sheet, by R. J. Anderson, 388*. See 307
Rapid Recrystallisation in Deformed Non-Ferrous Metals, by D. Hanson, 403*. See 306
Case of Disintegration of a Copper-Aluminium Alloy, by Dr. R. Seligman and P. Williams, 448. See 307 Metals, Mineral Resources Bureau, 125
— Monel, Nature and Properties, 451*
— Non-Ferrous, Imports, 51
— Non-Ferrous, Recrystallisation in Reformed, 403*. See 306
— Occlusion of Gases by, 562, 572, 583, 595*
— Price Diagrams, 20,125*, 275*, 420*, 536*, 656*
— Resistance to Penetration under Impact, 285*. See 293
— Structure of. See Metallography, Microphotographs
— Tests of. See Tests {Materials}
— Titanium, Distribution and Uses, 50
— Tungsten, Metallography and Manufacture of, 239*, 269*, 300*. See 328*
— Wear of, 625*
— See also Metallography, Metallurgy, Microphotographs
Metallic Ores, Briquetting, 265 Metallography of Aluminium, 123
— Crystallisation and Grain Growth, 328*, 357*. See 306
— ** Germinative ” Temperature and Grain Growth, 328*, 357*. See 306
— Grain Growth in Metals, 328*. 357*. See 306
— Growth in Grey Cast Iron, Prevention, 415* See 323
— Ingots, Steels, Cooling and Crystalline Structure, 418*. See 337
— Liquid Crystals, 349, 382*, 414
— Micro-, Illumination in, 729
— Microstructure of Cold Worked Steels, 104*
— Recrystallisation in Deformed Non-Ferrous Metals, 403*. See 306
— of Tungsten, 239*, 269*, 300*. See 328*
Metallography, Tungsten, Polishing, Mounting, Etching, 300
— See also Metals, Metallurgy, Micro-Photographs
Metallurgical Electric Furnaces, 86*, 110*

Metallurgy:

Aero-Engine Parts, Analyses, 299, 539- Allotropic Points, Influence on Grain Growth, 358.* See 306
Alloys, Aluminium Aero-Engine Pistons, Chemical Composition, 18* — Aluminium, N.P.L. Research, 121 — Aluminium, Properties, 219
— Cobalt Steel, Determination of Cobalt and Nickel, 75
— Copper-Aluminium Wire, Disintegration, 448*. See 307
— Copper Zinc, Mechanical Properties, 308
— Copper-Zinc Plate, Resistance to Penetration under Impact, 287*. See 293
— Exhibits, Products Exhibition, 211
— Gun-Metal, Admiralty, Influence of Impurities on Mechanical Properties, 330. See 307
—• Iron-Carbon, Graphite Formation,217* — Magnesium, Reactive, 85
— Non-Ferrous, Recrystallisation in Deformed, 403*. See 306
— Steel, Elasticitj’’, Effect of Cold Working, 104
— Titanium as Purifier, 50
— Zinc, 486
Aluminium, Cold Rolled Sheet, Annealing, 388*. See 307
— Exhibits, Key Industries, 408
— Recrystallisation in Deformed, 403*. See 306
— Resistance to Penetration under Impact, 285*. See 293
Blast Furnaces. See Furnaces
Blistering of Aluminium Sheets, Annealed, 388. See 307
Bronze. See Bronze and Alloy Carbon, Influence on Tenacity of Basic
Steel, 315. See 322
Cast Iron, Grey, Prevention of Growth in, 323, 415*
Castings, Steel, Behaviour under Cooling, 342*, 371*, 418*. See 337
— Temperatures and Pyrometry, 34*
CO and Pure Electrolytic Iron, Reaction, 323
Coal Economy in Metallurgical Work, 232
Coke, Importance of Hardness, 292
— Cold Working, Effect on Elastic Properties of Steel, 99*
Contraction and Pipe in Steel Ingots, andc., 342*, 371*, 418*. See 337 Cooling Curves, Cast Iron Ingots, 371*
— of Steel in Ingots, andc., 342*, 371*, 418* See 337
Copper, Absorption of Hydrogen, 563, 583
— Allotropic Changes on Cold Working, 283*. See 292, 468
— Cold Work and Tensile Properties, 283* See 29*, 468
— Zinc Plate, Resistance to Penetration under Impact, 287*. See 293 Deformation, Hot, of Steel, Influence on
Qualities, 310*. See 321, 467 Elastic Properties of Steel, Effect of Gold
Working, 99* Electrometallurgy, Industrial, 751 Exhibits, Metallurgical, Key Industries Exhibition, 408
Foundry. See Foundry, Moulding Furnaces, Metallurgical. See Furnaces Gas Occluded in Steel, 572. See 564, 583, 595*
— Occlusions in Molten Steel, 342*, 371*, 418*. See 337
— Occlusion by Metals, 562, 572, 583, 595*
Graphite Formation, Iron-Carbon Alloys, 217*
Hardened Steel, Electric Resistance, 509* Hardness, Definition of, 153, 353. See Vol. CV, p. 535
— Relation to Atomic Weight of Metals, 288*. See 293
Heat Treatment, Annealing Cold Rolled Aluminium Sheet, 388*. See 307
— Treatment, Monel Metal, Annealing Effect, 451*
— Treatment and Occluded Gases, 564, 572, 583, 595*
— Treatment, Prevention of Growth in Grey Cast Iron, 323, 415*
— Treatment of Tungsten, 239*, 269* See 306, 328*
— Treatment, Warping of Steel through Repeated Quenching, 340*. See 324 Ingots, Steel, Defects in, 34*
— Steel, Forged and Rolled, Influence of Hot Deformation, 311*. See 321, 467
Iron-Carbon Alloys, Formation of Graphite, 217*
— Electrolytic, and Pure CO Reaction, 323
— Ore. See Ore
— and Steel Works, By-Product Recovery, 206. Erratum, 340
Lead, Resistance to Penetration under
Impact, 285
Liquid Crystals, 349, 382*, 414 Manganese, Influence on Tenacity of Basic
Steel, 315
Metals, Tests of. See Tests {Materials} Molybdenum, Working Properties, 240 Non-Ferrous Metals, Deformed, Recrystallisation, 403*. See 306
Phosphorus, Influence on Tenacity of
Basic Steel, 315*. See 322 Platinum, Working Properties, 241 Pyrometers. See Pyrometers Reactions, Balanced in Steel Manufacture, 595*. See 563 Refractories. See Refractory Materials Rolling Mills. See Rolling Mills Scientific Aspects of Metallurgy, 467 Slag Composition, Influence on Steel, 34* Steel, Annealed, Electric Resistance
Changes, 162
Steel, Basic, Tenacity Influence of ments, 315*. See 322
— Cobalt, Determination of Cobalt and Nickel, 75
— Elastic Properties, Effects Working, 99*
— Grain Growth in, 328*, 357*.
— Hadfield Exhibits, Products tion, 211
— Hardened, Electrical Besistanoe, 509*
— Hot Deformation, Influence on Qualities, 310*. See 321, 467
— and Iron Works, By-Product Recovery, 206. Erratum^ 340
— Magnetic, N.P.L. Research, 121
— Manufacture,BalancedReactions, 595*. See 563
— Manufacture, Electric and Basic Open Hearth Processes, 36
— Manufacture, Ingots, etc.. Behaviour During Cooling, 342*, 371*, 418*. See 337
— Manufacture, Ingots, Defects in, 34*
— Manufacture, Occluded Gases, 564, 572, 583, 595*
— Manufacture, Slag Composition, Influence, 34*
— Manufacture, Swansea and Ore Supplies, 622
— Warping through Repeated Quenching, 340. See 324
Swansea Copper and Zinc Industries, 542
Tantalum, Working Properties, 240 Temperature Gradients, Cast Ingots, 371*
— and Grain Growth of Metals, 328*, 357*. See 306
Tin, Resistance to Penetration under Impact, 286*. See 293
Tungsten, Manufacture and Metallography, 239*, 269*, 300*. See 328*
— Working Properties, General Considerations, 270*, 300*
Welding. See Welding
Zinc, Condensation from its Vapour, 527
— Industry, 486
— Working Properties, 240
See also Iron and Steel Institute ;
Metals^ Institute of; Micropliotographs; Foundry ; and PARAGRAPH INDEX Meteorological Society, Royal; The Larger Relations of Climate and Crops in the U.S., 630 ; Soundings with Pilot Balloons in the Isles of Scilly, 630 ; A Cloud Phenomenon, 739 ; Notes on a Meteorological Journal at Wei Hai Wei kept by Commander A. E. House, 1901-16, 739; Annual Symmetrical Variation of Certain Elements, with a Note on the Choice of Seasons, 739
Meteorology, Pilot Balloon Exhibits, 249
— Terrestial Magnetism, B. A. Report,-44
— See also Meteorological Society Meters, Gas, Corrosion, 468, 502
— Gas, Inaccuracy and Treatment, 468, 502. See LETTER, 535
— Gas, Life of, 468, 502
Meters. See Water Meters Methane-Air Mixtures, Inflammation of, 718
Metrological Work of the N.P.L., 180* Metropolitan. See London
Mexican Gulf Coast Oil Deposits, 348
Mexico, Boquilla Hydro-Electric Power Plant, 93
Mica Industry, War Development, 672
Micrometer, Floating, Screw-Diameter Measuring Machine, 180*
Microphotographs, Denditic Eutectic Structures, White Pig Iron, 349, 382*, 414
— of Disintegrated Copper-Aluminium Wire, 448*
— Focussing Apparatus, Telescopic, 448*
— Grey Cast Iron, Prevention of Growth by
Decarbonisation, 415*. See 323
— Illustrating Metallography of Tungsten, 239*, 269*, 274*, 301*. See 328*
— of Iron, showing Carbide and Graphite Plates, 217*
— of Monel Metal, Rolled and Cast, 451*
— Rail and Tyre Steels, Hardening by Sandberg Process, 627*, 628*
— of Salt Crystals, 109*
— Showing Grain Growth in Various Metals, 328*, 359*, 360*. See 306
— Steel, Cold-Worked, Testing of. 103*
— Warping of Steel through Repeated Quenchings, 341*
Microphotography, Illumination in, 729
Microscopic Tool-Setter, 398*
Microstructure of Cold-Worked Steels, 104*
— of Tungsten, 239*, 269*, 300.* See 328
— of Metals. See Metallography, Mierophotographs
Military Aeroplanes and Airships. See Aeronautics
— Armament of Aeroplanes, Problems, 23
— Supplies. See Munitions
Milling Machines and Cutters. See Machine Tools
Mills, Rolling. See Folling Mills
Milne-Shaw or Galitsin Seismographs, 43 Minerals, Bauxite Deposits, 163
— Industries, War Development, 672
— Oils. See Oils
— Resources Bureau, Imperial, 125
— Resources of Great Britain, 87, 353
— of Rhodesia, 411
— Sources for Oil Production, 740
— Titanium and Rutile Deposits, 50
— Trade of the Dominions, 499
— See also Coal; Mining ; Ores
Miners*, Coal, Demands, Economic Effect, 175
Mines and Minerals, Proposed Ministry, 23’2
— Petroleum, U.S., Exhaustion, 633*
— United States Bureau of. See United' States
— See also Coal\ Minings Ores and PARAGRAPH INDEX
Minimeter for Workshop Use, N.P.L.. 180*
Mining Engineers. See American
— Enterprises, British, in China, 220
— Norwegian Sulphur, 141
Mining, Tin, Jlalay States, 202
— See also PARAGRAPH INDEX
Mmistry of Mines and Minerals, Proposed, 232
Mississippi/’ M.S., 4'Cycle Internal Combustion Engine, 482*
^todels, Aeroplane. Sec Aeronautics
— of New Quebec Bridge, 277*
—• New Type 6-Pdr. Tank Gun, 679*
Models, Ship. See Ship Models I
Mole, Telok Ayer Reclamation Works, Singapore, 603*
^foline Tool Co., Motor Cylinder Fixtures, under “ Hole-Hog ” Machine, 730*
Molybdenum, Working Properties, 240
Moments, Turning, Two and Four-Cycle Engines, 485*
Monel Metal, Nature and Properties, 451*
Monge, Gaspard, 397
Monkey Wrenches, Milling Fixtures for, 637*
Monkhouse, A., Industrial Breakdown in Russia, 333
Monoplane. See Aeronautics
Montevideo Reinforced Concrete Reservoirs, 453*, 515*
Montreal Shipbuilding Works, Canadian Vickers, 395,* 518*
Monypenny, J. H. G., Falling Weight Test on Railway Tyres, 545*
Morgan, J, D., Effect of Temperature on the Resistance of Spark Plug Insulations, 513* Morley, A., Whirling Speed of Shafts Sup- ported in Three Bearings, 573*, 601 Motion of Machinery, 97 Motor Boat Construction, Canadian Vickers, Montreal, 395*
Motor Bogies, Central Argentine Railway, 506* Motor Car, Acetylene for, 469 — Car and Aero Engines, Comparisons, 408 — Car Carburettors. See Carburettors Car Details. See Axles, Engines, Gears, Steering Gears, etc.
— Car Engines. See also Engines, Petrol
— Car, Fuels, 412
— Cars and the Heavy Oil Engine, 127
— Car Repair Works, Slough, 530, 630 —• Cars. See also PARAGRAPH INDEX — Carriages, Railway. See Carriages — Cylinders, Boring and other Fixtures, 730* — Cylinders, Wolseley, Jigs and Fixtures for, 422*
— Electric, and Control Systems, 381
— Electric, Self-Acting Starter, Igranic, 235*
— Fuel Problem, 619
— Generator Sets for Single Phase Power, 691*
— Induction, Turbo-Electric Installation “ Wulsty Castle,’* 140*
— Internal-Combustion. See Aeronautics, En- gines. Tractors
— Liberty, Design, andc., 9
— Marine. See Engines
— Petrol. See Aeronautics, Engines
— Tractors. See Tractors
— Traffic and Road Corrugation, 642
— Transport Depot for Repair Work, Slough 530, 630 ’ and ,
— Transport on Roads, 745
— See also Fouyidry
Moulds for Casting Steel Chains, 157*
Mud Formation on Roads, 643 Muffle, Electric Wild-Barfield, 143* Multiple Effect Compression Refrigerating Machines, 201*. See LETTERS, 352*
Multitubular Boilers. See Boilers Municipal Tramways. See Tramicays Munitions, Cunard National Shell Factory, 3*, 57*
— Indian Board, 606
— Ministry, Expenditure, 215
— Ministry, Mismanagement of Labour, 205
—• National Factory Expenditure, 630
— Workers, Embargo Strike, 120
— Workers, Health of, 14
— See European War, Guns, Naval, Projectiles, Warships
Myers-Whaley Shovelling Machine, Electrically-Driven, 33*

NAITO, A., Measuring CO2 in Chimney Gases and a New CO2 Recorder, 514*
Narrow Gauge Express Locomotives, New ' Zealand, 576* j
— Gauge Lines Behind British Front, 653
National Alliance of Employers and Employed, 437 (
— Council of Women, 438. See LETTER, 535, i 553 I
— Factories, Ownership Question, 651 !
— Insurance. See Insurance under Labour 1
— Malleable Castings Co., Chain Casting ( Experiments, 156. Sec 172 1
— Physical Laboratory, Magnetic Disturbances,121
— Physical Laboratory Report, 94,120*, 178*, i 221*
— Shell Factory, Cunard, 3*, 57* j
— Shipyards, 13, 119, 652 '
Nationalisation of Railways, 520, 529, 683, 716 747
Naval Aeronautics. See Aeronautics
Naval Architects and Marine Engineers, American Society of, Notes on Launching by W. Gatewood, 710* ; Propulsion 1 of Cargo Ships with Parallel Middle Body, 1 by Wm. McEntee, N.C., 752* |
Naval Architects. See also Japanese * '
Naval Architecture, American Submarine ? Chasers, Design and Construction, 608*
— Architecture, Froude Tank Investigations, N.P.L 95
— Architecture, Ship Calculations, Construction and Operation, 295
— Architecture, Water-Tight Subdivision of Ships, See Water-Tight
— Construction. See also Warships
— Dockyard, Expenditure Report, 630
— Engineers, Divisional, R.N. Division, 722
— Guns. See Guns
— Honours. See PARAGRAPH INDEX
— Patrol Boats, 182*
— Warfare. See Warships Navy, British, Work of, 144
Navy, British. See H.M. under TFrtrs/iips
— United States. See Vnited States under
— See also Naval, Warships, and PAR. INDEX Needle Gun, Inventor, 169
New British and Key Industries Exhibition, 408, 439
New York Ferro-Concrete Barge, 554*
— York Subway System, Connecting Tubes in Quicksand, 183*
— Zealand Express Locomotives, 3 ft. 6 in. Gauge, 576*
— Zealand Trade and Industries, 500
Nickel in Cobalt Steel, Determination, 75
Nitric Acid from Ammonia, Acetylene Poisoning, 296
— Acid from Nitrogen Oxide, 96
Nitrogen Compounds, Physical and Chemical Data, 620
Nomenclature for Electric Welding, U.S. 522*
Non-Ferrous Metals. See Metals, Metallurgy North, Notes from, 10, 38, 65, 88,117,144,173, 202, 229, 259, 289, 317, 345, 375, 404, 435, 465, 494, 527, 556, 593, 615, 646, 680, 712, 743
North-East Coast Institution of Engineers and Shipbuilders; Reconstruction of Shipbuilding Industry, by the President, Mr. Edwin L. Orde, 508 ; Shipbuilding Development in the United States and Canada, by W. R. Gray and E. E. Clarke, 740*
Norwegian Cement Industry, 565
— Iron and Steel Works, State Subsidised, 115 —? Shipyard, New, 85
— State Electricity Supply, 575
— Sulphur Ore, 141
— Twin-Screw passengcr Steamer, “ Stavangerfjord,” 170*,. 200*
Notched Bar Tests. ' See Tests {Materials'} Notes. See Cleveland, Industrial, North, South-West, South Yorkshire. Sec also PARAGRAPH INDEX
Numerical Trigonometry, 720

Officials in Engineering Works, Position and j Treatment, 722
Oil-Cooler, Turbo-Electric Machinery, i Wulsty Castle,” 82*
— Deposits, Mexican Gulf Coast, 348
— Engines. See Engine, Oil.
— Fuel, British Sources, 148, 619. See 125
— Fuel Pumps, Diesel Engine, 549*
— Fuels for Semi-Diesel Engines, 461
— Ignition in Tanks, 303. See LETTER, 383
— Lamps in Works Lighting, 620
— Light, Recovery in Gas Making, 83
— Lubricating, Production Situation, 633* j
— from Mineral Sources, 746.
— ifotors. See Engines, Oil '
— Petroleum, in England, 438 I
— Petroleum, Passing of, 633* j
— Petroliferous Oil Fields of Persia, Geology, ! 438
— Pumps. See Pumps
— Separator, Sands, 475*
— Shales, U.S., Potentialities,635
— Shale, Production, 746
— Tanks and Reservoirs, Petroleum, Construction, 303*
Oil. See also Lubrication and Petroleum Open Hearth Furnace. See Furnace Optical Glass, British Products Exhibition, 212,233. See LETTER,238
— Glass Measuring, N.P.L., 179*
— Glass, N.P.L., Research, 121
— Glass, War Developments, 673
— Indicator for End-Measuring Machine, N.P.L., 221*
— Instruments, Products Exh., 234*, 248*
— Phenomena of Liquid Crystals, 349
— Projection Comparator, Screw-Testing, 248*
— Projectors, Gauge-Testing, N.P.L., 221*
— Pyrometers. See Pyrometers
Optical Society : Sources and Magnitude of Centering Errors in a Sextant, by Naval Instructor T. Y. Baker, 434 ; Astigmatism : Interchangeability of Stop and Object, by T. Ohaundy, 434; Generalised Forms of an Optical Equation, by T. Smith, 629; Design and Manufacture of Binoculars, by H. S. Ryland, 629; Empirical Formula for the Longitudinal* Aberration of a Ray through a Thick Lens, by Instructor-Commander T. Y. Baker and Major L. N. G. Filou, 709 ; Spirit Levels, by Major E. 0. Henrici, 709.
Optical Work of N.P.L., 178*
Optics, Astigmatism, Interchangeability of Stop and Object, 434
— Binoculars, Design and Manufacture, 629
— Refraction Equation. Generalised Forms, 629
— Refractometers, Abbe and Pulfrich, 282*
— Sextants, CenteringErrors in, 434
— See also Optical Society
Optophone, Fournier d’Albe, Exhibit, 249 Orde, E. L., Reconstruction of Shipbuilding Industry, 508
Ordnance. See Gans, Explosives, Ballistics, Warships
Ore, Iron, in Alsace-Lorraine, 561
— Iron, Shovelling, Plachine, 33*
— Metallic, Briquetting, 265
— Sulphur, Norwegian Deposits, 141
— Zinc, 486
Organic Chemistry. See Chemistry Orsat Apparatus, Flue Gas Analysis, 207 Oscillation Periods, Tall Chimneys, 334*
— Electric. See Electric
Oscillograph. See Electric
Output, Labour, Limitation Question, 623 Overhead Cranes. See Cranes
Ownership, Private, in Ceded Territories, 734 Oxidation of Ammonia, 498, 748
— of Ammonia, Data of Nitrogen Compounds, 620
Oxides, Lead, for Paints, andc., 211 Oxy-Acetylene Welding. See Welding
Oxygen Cylinders, Internal Pressure Tests, 95
— Liquid, Explosion of Charcoal Jacket in Containers, 687
“ Ozonezer,” Vacuum Tube, Key Industries Exhibition, 440

“PACIFIC” Non-Compound Superheated Express Locomotives, N.Z., 576*
Packings, Labyrinth, Turbine Shafts, “Wulsty Castle,” 82*
Paper Industry, Applied Chemistry, 689
— Textiles, Products Exhibition, 250
— Waste, Recovery and Re-manufacture, 181 Papers, Technical, Composition of, 45 Passenger Steamers. See Steamers
Patent Law. See Legal
Patent Record, 24, 52, 76, 106, 159, 187, 216, 243, 276, 391, 449, 479, 511, 600, 631, 663, 697, 728, 759
Patrol Boats, Naval, 182*
PayTuentby Results, 7,281,492. Sec LETTERS, 326, 352,414
Pen for Recording Oscillations, 74
Peniakoff Process in Aluminium Production, 163
Permanent Way, British Railways, 521 Perrett, J. R., the Late, 474
Persian Oil Fields, Geology of, 438 Petrol Carburettors. See Carburettors
— Motors. See Aeronautics; Engines
— Pump, Maybach Aero-Engine, 298*
— Risk of Depletion, 633
Petroleum in Alsace-Lorraine, 561
— Passing of, 633*
— Storage of, 303*. See LETTER, 383
Petroleum Technologists, Institution of: Geology of the Persian Oil Fields, by H. G. Busk and H. T. Mayo, 438 ; Motor Fuel Problems, by Dr. W. R. Ormandy, 619; Production of Oil from Mineral Sources, by Dr. Mollwo Perkin, 746
Petroleum. See also Oil; Engines, Oil
Phenol, Synthetic, 542
Phosphorus, Determination in Refractory Materials, 542
Photo-Micrographs. See Micrographs Photographic Exhibits, Products Exhibition, 250
Photography, Micro-, Illumination in, 729 Photometer, Flash-Testing, 235
Photometry, at N.P.L. 121 Photomicrography, Telescopic Focussing Apparatus, 448*
Phototropy, Action of Light, 653 Physical Application of X-Rays, 592
— Chemistry. See Chemistry
— Laboratory. See also National Physical

Physical Society:

Teaching of Physics in Schools, Discussion, 31
New Method of Pleasuring Alternating Currents and Electric Oscillations, by I. Williams, 74
Demonstration of Coupled Vibrations, by Professor B. H. Barton and Miss H. PI. Browning, 74
Case for the Ring Electron, General Discussion, 621
Low Voltage Arcs in Pletallic Vapours, by Professor J. C. PIcLellan, 696
Relativity and Gravitation, by Dr. W. Wilson, 696

Physics, Argon, Preparation of, 324*
— Black, Dr. J., Life and Letters of, 750
— Colour and Chemical Constitution, Relationship, 688
— Crystals, Action of Light, 653
— Diffusion, Principles and Analogues, 193
— Doppler Principle, 263
— Flotation of Glass Sheets, 236*
— Gases, Occlusion by PIctals, 562, 572, 583, 595*
— Geophysics and Geodesy, 43
— Gravitation and Relativity, 696
— “Liquid” Crystals, 349. See LETTERS, 382, 414
— Liquid Skins, Breaking of, 495
— Metals, Action of Alpha Rays, 531
— Nitrogen Compounds, Data, 620
— Quartz, Tridymite and Cristobalite, 653
— Refractometers, Abbe and Pulfrich, 282*
— Ring Electrons, 621
— Seismological Investigations, 43
— Sound Fields and Sound Antennas, 756
— Teaching in Schools, 31. See 70
— Temperature of Luminous Flames, 264 —• Terrestrial Magnetism, 44
— Text-Book for Students, 181
Physics, Thomson-Joule Effect, 70
— Tides and Tidal Currents, 43
— Vacua Measurements, 686
— Vibrations, Coupled, Apparatus, 74
— Viscosimeter, Saybolt Standard, 294
— Work of Joule, 670 See also Physical Society and PARAGRAPH INDEX
Physiological Management, 14
Piers, Guide, Champlain Diy Docks, 658*
— Singapore Dock and Haibour Works, 603* Pig Iron Prices. See Metal Price Diagrams Pin-jointed Struts, Crippling Load, 699* Pinions, Automobile Transmission, Fixtures for Cutting, 195*
Pinions. See Gearing
Pipes, Frictional Resistance, Flow Tests, 95 Pirrie, Lord, on Shipbuilding Situation, 296. See 348
Pistons, Aero-Engine, Use of Aluminium, 18*
— Rings, Cast Iron, Lavaud Centrifugal Machine, 687. See Erratum, 722
Pit, Foundry, N.P.L., 120
Pitch, Screw, Measuring Machines, N.P.L. 208*
Pivotal Men, 679
Pivoting Pressure in Launching, 710*
Plane Sound Waves, 756
Planetary and Lunar Theories, 690 Plant, Boiler. See Boilers
— Coke Handling, Manchester Gas Works, 367*
— and Machinery in Applied Chemistry, 689
— and Machinery, Depreciation and Income Tax,169
— Recovery, for Light Oils, andc., Gas Making, 83
Plate Punch, Lysholm Traversing, 740*
— Shearing Machine. See Machine Tools
— Ship, Electric Welding Tests, 197
— Ship, Rapid Preparation and Fitting, 64
Platinum Resistance Pyrometers. See Pyrometers
— Working Properties, 241
Plungers, Roller, Milling Fixtures for,' 635*
Pneumatic Riveting and Shipbuilding, 49.7
— See also Compressed Air ; Air Compressor
Politics and Science, 649
Pollution of Atmosphere, Alkali Works Report, 149
Polytechnic. See PARAGRAPH INDEX
Pontoon, Floating Crane, Montreal, Shipbuilding Works, 518*
— 30,000-Ton Floating Dcfck, 551*
Porosity Tests of Refractory Materials, 570
“ Porsanger,” S. S., Canadian Vickers, 395*
Portland Cement, See Cement
Ports, British, Criticism of, 654
— Handling Facilities Question, 520, 654. See 529
— Sandwich Haven Scheme, 679
— and Terminal Facilities, 654
Potash Industry of Alsace, 734
— Industry, War Development, 672
— Production in the U.S., 704
— Sources of, 68
Pots, Glass, Action of the Glass, 503
— Glass, Clay Requirements, 503
— Glass, Firing, 503
Powell, A. R., Determination of Cobalt and Nickel in Cobalt Steel, 75
Power, Electric, Coal Economy in Production of, 232
— Electric, Champlain Dry Dock, 658*
— Electric, German State Supply, 547
— Electric, Post-War Prospects, 350
— Engineers, Electrical, Association, 85
— Hammer, See Hammer under Machine Tools
— Hydro-Electric, Australian Developments, 499
— Hydro-Electric, British Empire, 236
— Plant, Boquilla Hydro-Electric, Mexico, 93
— Plant in Chemical Works, 6. See Vol. CV, p. 541
— Plant and Coal Economy, 442
— Plant, Natural, Larderello, Steam Turbines for, 339*
— Plants. See also Power Stations; Sub-Stations
— Rating of Internal Combustion Engines 716
— for Ship Propulsion. See Marine Propulsion
— Stations, Alfkarleby and Porjus, Developments, 547
— Station, Argentine Central Railway,
— Stations, Electric, Continental, for Supply, 547, 574
— Station, Electric, Floating, 644. Erratum, 713
— Stations, High Pressure and High temperature Steam, 617
Products Exhibitions, British Scientific, 123, 177, 211, 233*, 246*. See 350. See LETTER, 238. Erratum, 295
Projection Comparator, Optical, Screw-Testing, 248*
Projectors, Gauge-Testing, N.P.L., 221*
Propaganda, Engineering, in Neutral Countries, 268
Propellants for Guns. See Explosives
Profiling of Shells, Copy Plate, 57*
Profits and Industry, 650
Projectiles, Elliptic Trajectory over the Earth, 393*, 424*. See LETTERS, 552,579*
— Shell Steel, Treated by Sandberg Process, 625*
— Steel-Making Operations, Cunard National, 3*, 57*
— See also Quns, Explosives Propellers, Aerial. See Aeronautics
— Revolutions, Cargo Ship with Parallel Middle Body, 752*
— Shafts. See Shafts
Property, Private, in Ceded Territory, 734 Propulsion of Ships. See Marine Propulsion, Engines, Turbines, Propellers
Prussian State Supply of Electrical Energy, 547
Public Accounts, Committee Report, 215
Pulfrich Refractometer, 282*
Pumping Engines, Cairo Main Drainage, 251*
— Installation, Champlain Dry Dock, 658*
— Station, King’s Dock, Singapore, 702*
Pumps, Air, Power Question, 38
Air. See also Air Compressors —; Circulating, Ljungstrom Turbo-Electric
Plant, “ Wulsty Castle,” 140*
— Fuel, Diesel Engines, Design and Construction, 549*
— Guillery Testing Machine, 385*
— Oil, Auxiliary, Turbine-Driven, ” Wulsty Castle,” 31*, 82*
— Oil, 300-h.p. Maybach Aero-Engine, 264*, 298
— Oil, 200-h.p. Austro-Daimler Aero-Engine, 488*, 537*
— Petrol, Maybach Aero-Engine, 298*
— Rotary Suds, Jigs and Fixtures for, 79*
— Water, 200-h.p. Austro-Daimler Aero Engine, 488*, 537*
— Water 300-h.p. Maybach Aero-Engine, 255*, 298*
Punch, Plate, Lysholm Traversing, 740*
Pyrometers, Control of Furnace Product,
— Optical, 380
— Tubes, N.P.L., Investigations, 123
— Wedge, Optical, 235* Pyrometry, Radiation, 380
— Optical, N.P.L. Work, 122

QUADRUPLE Expansion Sewage Pumping Engines, Cairo Main Drainage, 251* Quartose Rocks, Analysis, 540
Quartz, Crystalline Properties, 653
Quays, Singapore Dock and Harbour Works, 603*, 666*
Quebec Bridge, New, Erection and Completion, 277*. See LETTER, 722
— Bridge, Responsibility of Government Engineers, 722
— Harbour, Champlain Dry Dock, 658*
Quenched Spark Phenomena, Radiotelegraphy, 294
Quenching of Steel. See Heat Treatment under Metallurgy
Quick-Firing Guns. See Guns
Quicksand, Connecting Subway Tunnel Tubes in, 183*
Quicksilver. See Metal Price Diagrams

RADIATION in Arc-Welding. Protective Regulations, 695
— Pyrometry. See Pyrometry
Radiotelegraphy. See Telegraphy, Wireless Railroad. See Railways
Rails, Steel, Sandberg Hardening Process, 625 Railway Bridge. See Bridge
— British, as Commercial Undertakings, Pre-War Conditions, 747
— British, Electrical Operation Questions, 521. See 529
— British, Freight Rate Question, 530
— British, Gauge Question, 519. See 529
— British, Permanent Way, 521
— Car-Couplers, Cast Steel, U.S. Experience, 157
— Carriages. See Carriages
— Central Argentine, Electric Traction, 427*, 458*, 505*
—- Channel Tunnel Project, 413
— Chinese, and British Engineering Enterprise, 92
— Dominion Developments, 499
— Electric, Continental, State Supply of Energy, 547, 574
— Electric, Motors and Control, 381
— Equipment, U.S., Welding Applications, 185, 213
— in European Politics, 559
— German Rolling Stock, Post-War Situation, 678
— Locomotive. See Locomotive
— Motor Carriage. See Carriage
— Narrow-Gauge Military, in France, 653
— Nationalisation, 683, 716, 747
— Retirement of Sir J. A. F. Aspinall, 721
— Rolling Stock. See also Carriages ; Locomotive; Wagons
— Street. See Tramways
— Transport, British, in War, 519. See 529
— Tyres, Falling Weight Test, 545*
— Wagons. See Wagons
— See also Railroad and PARAGRAPH INDEX
Ramsay, A., The Worker, the Employer, and the Unsolved Problem, 421. See LETTER, 492 ; Labour Issue, 623
Ransome and Co., Ltd., A., “Excelsus ” Propeller Shaping Machine, 48*; Vertical Log Band Saw, 146*
Ransome, Sims and Jefferies, Jig and Fixture Practice, Aeroplane Parts, 364*
Rare Earths, British Products Exhibition, 211
Rate Cutting and the Premium Bonus System, 281. Seo LETTER, 352
Rating, Power of Internal-Combustion Engines, 716
Raw Materials, Post-War Requirements Committee, 566
Rays, Electric. See Pontgen
— Longitudinal, Aberration through Tliick Lens, 709.
Reactions, Chemical. See Chemistry Reconstruction, Advisory Council, 666
— British Industries Federation, 634
— Problems and the National Alliance, 437
— Problems, 587. See 565, 708
— Shipbuilding Industry, 508
— See also Laftouz, Industries, and PARAGRAPH INDEX
Recovery of Light Oils in Gas Making, 83
Reduction Gears. See Gears and Marine Propulsion
Reflector, 100-in., Mount Wilson Observatorv, 246
Reform, Patent Law, 38, 383, 493
Refraction Equation, Generalised Forms, 629 Refractometers, Abbe and Pulfrich, 282*
Refractory Materials, Applied Chemistry, 689
— Materials, Bricks from Non-Plastic Material, 472
— Materials, British Products Exhibition, 212, 233
— Materials, Clays, Shrinkage on Drying and Firing, 570*
— Materials, Clays, Tensile Strength of, 570*
— Materials, Firebricks, Corrosive Action of Flue Dust, 472. See 503
— Materials and the Glass Industry, 503
— Materials, Magnesites, 472
— Materials, Porosity, Specific Gravity and Water Absorption Tests, 570
— Materials, Quartz, Tridymite and Cristobalite, 653
— Materials, Silica Oxide, 71
— Materials, Silica Silica, 569
— Materials, Silica Service, 88
— Materials, Silica Determination in, 540
— Materials, Silica for Glass Works Use, 614
— Materials, Silica Products, 472
— Materials, South Wales Raw Materials, 472
— Materials, Swansea District Fireclays, 622
— Materials, Tests, Standardisation of, 472, 540, 569*. See 322
— Materials, Zinc Industry, Uses of, 472
— Materials, Zirconia, Occurrence and Application, 472
Refrigerating Machine, CO», Multiple Effect Compressor, 201*. See" LETTERS, 352*
Regulators, Current Variation, Electric Furnaces, 87
Reinforced Concrete. See Ferro-Concrete
— Concrete Ships. See Ships Relativity and Gravitation, 696 Reluctivity, Magnetic, 362*. See LETTER, 553
Re-Manufactured Waste Paper, 181
Repair Works, Motor Transport, Slough, 530, 630
Repairs, Ferro-Concrete, to Wooden Ships, 680*
Report, Advisory Council of Scientific and Industrial Research, 261
— Alkali Works, 149
— British Association Terrestial Magnetism, 44
— Gas Investigation Committee, 455, 501
— on Hardness Testing, 444. See 322
— of the National Physical Laboratory, 94, 120*, 178*, 208*, 228*
— Refractory Materials Research Committee, 503. See 472
Research, Scientific and Industrial, Advisory Council Report, 261
— Scientific, in India, 606
— See also National Physical Laboratory Reservoirs, Petroleum Storage, 303*. See LETTER,383
— Reinforced Concrete, Montevideo, 453*, 515*
Resistance, Air. See Aeronaxitics
— Electric. See Electric
— Thermometers, 380
Restler, Sir J. W., the Late, 532*
Retaining Walls. See also Sea Walls
Retford Boiler Explosion, 51
Retirement of Sir J. A. F. Aspinall, 721
Reversibility of Semi-Diesel Engines, 464
Reviews. See LITERATURE INDEX
Revolution Counters, Shaft Rotation Synchroscopes, 514*
Rhenish Westphalian Coal Syndicate, 409 Rhodesia, Mineral Resources, 411 Rhondda, Lord, the Late, 11
Richards and Co., Ltd., Geo., Cylinder Chucking Fixtures, 730*
— Thread Milling Machine, 613*
Richardson, J., The Semi-Diesel Oil Engine, 461. Erratum, 494
Rigidity of Riveted Joints of Steel Structures, 638*
Riveted Joints, Rigidity in Steel Structures, 638*
Riveting, Hand, Predominance in British Yards, 176. See Erratum, 202
Roads, British, Traffic and Maintenance, 262
— Construction and Maintenance, 642
— Corrugations, 642
— Locomotives. See Tractor ; Motor
— Surfaces, Structure, 642
— Transport, 745 Robinson, J. F., the Late, 64
Rock Island Lines, U.S., Welding Practice, 185, 213
Roller Paths, Lathe Attachments for Tooling, 309*
— Plungers, Milling Fixtures for, 635* Rolling-Forging Mill, Slick Process, 432*
— Stock, Central Argentine Railway, Electric
Section, 505*
— Stock, German Post-War Situation, 678
— Stock. See also Carriages; Locomotive; Wagons
Rontgen Rays, Medical and other Applications, 592
— Society, Presidential Address, 592
Rooney, T. E., Rapid Method of Estimating Phosphorus in Bronzes, 332. See 305
Ross-Anderson Lifeboat Transporting and Lowering Gear, 49*
Rosyth Dockyard Expenditure, 630
Rotary Engine. See Engine, Aeronautics
Rotary Pump. See Pump
Rotating Discs, Strength of, 131*. See LETTER, 611
Routin Relay Regulator, Electric Furnace, 87*
Rowan Premium Bonus System, Working, 281. See LETTER, 326, 352. See also 492
Royal Dockyards, Expenditure Report, 630
— Meteorological Society. See Meteorological
— Society of Arts. See Arts
Royse, H. W. Exact Data on the Running of Steam Boiler Plants, 481. See also 25, 55
Rubber Derivative, ” Duroprene,” 251
— Synthetic, German, 156
Russia, Industrial Breakdown, 333
Russian Battleship, ” Imperatritza Maria,” Attempted Salvage,.46
— Black Sea Floating Dock, 30,000-Ton, 551*
Rusting. See Corrosion
Rutile Deposits, 50

SACCHARIMETER, British Products Exhibition, 248
Saganoseki Tall Chimney, Wind Pressure Record, 334*
Saint. See St.
Saloon Car for Victorian Railways, 63*
Salt Trade and Production Processes of the U.S., 77*, 108*
— Water, Influence on Eerro-Concrete, 96
Salts, Complex, for Electrolytic Deposits, 718
Salvage, Attempted, of ” Imperatritza Maria,” 46
— Deep-Water Diving Machine, 236
— Section of Admiralty, 16*
San Fernando Power House, Central Argentine Railway, 428*
Sandberg Sorbitic Process for Hardening Steel Rails, 625*
Sands Oil Separator, 475*
Sandwich Haven Harbour Scheme, 679
Saturated Steam. See Supersaturation
Saws. See Saws under Machine Tools
Saybolt Viscosimeter, Standard, 294
Sayers, H. M., Note on Regulations for Arc Welding, 695 ; Micro Metallography Illumination, 729
Scale, Hardness, New, in Energy Units, 469
Scandinavian Shipbuilding, 510
Scavenging, Semi-Diesel Oil Engines, 461*
Schoeller, Dr. W. R., Determination of Cobalt and Nickel in Cobalt Steel, 75
Schools, Teaching of Physics, 31. See 70
— Technical and Trade, Text-Book for Students, 71
Science Degrees, Modification of Courses, Suggested, 611, 643, 679, 722, 751
— and the Future, 591
— and Metallurgy, 467
— Physics, Teaching in Schools, 31. See 70
— and Politics, 649
— in Relation to Swansea District Industries, 542, 622
— in Secondary Schools, B.A. Report, 70. See 31
Scientific Control of Steam Boilers, Coal Saving, 25, 55, 481. See LETTERS, 88, 116, 169, 199, 237, 267, 297, 326, 353, 382, 414, 431, 474, 493, 535, 552, 579, 643. See 207
— Education in Great Britain, 564
— Glassware, War Developments, 673
— and Industrial Research, Advisory Council Report, 261
— Knowledge in the Shops, 673
— Products Exhibition, British, 123,177, 211, 233*, 246*. See 350. See LETTER 238. Erratum, 295
— Propaganda in Neutral Countries, 268
— Research in India, 606
— Work of Gaspard Monge, 397
— Work of Joule, 670
Scilly Isles, Soundings with Pilot Balloons, 630
Scleroscope Hardness Tests. See Hardness under Tests {Materials}
Scotland, Institution of Engineers and Shipbuilders in. See Engineers
Screw Diameter Measuring Machine, Floating- Micrometer, 180*
— Pitch Measuring Machines, N.P.L., 208*
— Propellers. See Propellers, Aeronatdics
— Testing Projection Comparator, 248*
— Thread Projectors, N.P.L., 221*
— Thread Tolerances, B.S., 268
Screwing. See Machine Tools
Sea Coast Erosion and Protection. See Coast Erosion
— Walls, Singapore Dock and Harbour Works, 603*
Seaports, Handling Facilities Question, 520. See 529
Seasons, and Annual Symmetrv, Variations, 739
Sections, Girder, Stress in, 116
Seismic Disturbances and Tall Chimneys, 334* Seismographs, Earthquake Examination, 43 Seismological Investigations, British Association Report, 43
Seligman, Dr. R., on Disintegration of a Copper- Aluminium Alloy 448*. See 307.
Semi-Diesel Oil Engines, Types, 461. Erra^ turn, 494
Separator, Oil, Sands, 475*
Serpek Process of Aluminium Production, 163*
Services, Nationalised, Administrative Cost, 683
Sewage, Cairo Main Drainage Pumping Engines, 251*
Sewage. See also PARAGRAPH INDEX
Sextants, Centering Errors, 434
— Fittings, Testing Work, N.P.L., 179 Shackle, Drop Forge Spring, Tooling Fixtures, 543*
Shaft, Crank. See Crankshaft
— H.P. Variations, Cargo Ships with Parallel Middle Body, 753*
— Rotation of, Devices for Comparing, 514*
— Speeds, New Critical, Gyroscopic Disc Action, 665*
— Whirling Speed of. Supported in Three Bearings, 573*, 601*
Shale Oil Production, 746
— Oil, U.S. Potentialities, 635
Shaping Machine. Sec Machine Tools
Sharer, E., The Late, 615
Shears for Cutting Hot Bounds, Slick Rolling- Forging, 432*
Shearing Machine. See Machine Tools
Sheds, Car, Central Argentine Railway, 458* Shells. See Projectiles and Munitions
Ships, Barge, Electrically-Welded, 142
— Calculations, Construction and Operation, 295
— Construction, War and Cost Appreciation, 295
— Disinfection of, 38
— Electric Propulsion. See Marine Propulsion
— Ferro-Concrete Barge. N.Y. Barge Canal, 554*
— Ferro-Concrete, 1,000-Ton, 114*, 115*, 118
— Ferro-Concrete Barge, 1,000-Ton, 237*
— Ferro-Concrete, British Construction, 176
— Ferro-Concrete, Proposed, in 1854, 643, 722
— Ferro-Concrete, 3,500-Ton Deadweight, U.S. Standard, 326*
— Ferro-Concrete, Waller Construction, 580*
— Launching Gear. See Launching
— Launching, Notes on, 710*
— Merchant, Lord Pirrie’s Statement, 296. See 348
— Model, Cargo Steamer, Propulsion with Parallel Middle Body, 752*
— Naval. See Warships
— Propeller. See Propellers
— Propulsion by Heavy Oil Engines, 127
— Propulsion. See Marine Propulsion; Engines ; Turbines; Propellers
— Repairing Dock, Champlain, for Quebec Harbour, 658*
— Salvage, Admiralty Operations, 16*
— Salvage of. See Salvage
— Standard, Canadian Vickers, 395*
— Steel, U.S., Electric Welding, 522*
— Transport and the Navy, 144
— Wooden, Ferro-Concrete Repairs, 680*
— See also Marine; Shipping; Steamers; Warships and PARAGRAPH INDEX
Shipbuilders and Engineers, North-East Coast Institution of. See North-East Cst
— and Engineers in Scotland, Institution of. See Engineers
Shipbuilding Accounts, Admiralty Contracts, 215
— American Effort, 497. See LETTER, 535
— Berths, Steel Staging for, 98*
— Fabricated Ships and the National Yards, 119
— Fabrication, 508
— Ferro-Concrete, 114*. See Ship, Ferro-Concrete
— Ferro-Concrete, Monolithic v. Unit Construction, 581*
— Froude Tank, N.P.L. Report, 95
— Greenock and Grangemouth Co.’s Method, 64
— Industry, Canadian, 68
— Industry, Reconstruction, 508
— Means of Acceleration, 497. See LETTER
— Merchant, of Canadian Vickers, 395*
— Merchant, Lord Pirrie’s Statement, 296. See 348
— Merchant, Permanence of Standardisation, 291
— Merchant, Problem, 497. See LETTER, 535
— Merchant, Tonnage Losses and Replacement, 143*, 536*, 677*
— Naval. See under Warships
— and Pneumatic Riveting, 497
— Prospects, 176. See Erratum, 202
— Reinforced Concrete, 114* See also Ferro- Concrete
— Scandinavian, 510
— Speed of Construction, andc., 42
— SS. ” Tuckahoe,” Construction Record, 61
— U.S. and Canada, 740*
— Water-Tight Subdivisions. See Water-Tight
— Welding, Electric, Application, 197
— Works of Canadian Vickers, 395, 518*
— Yard, Chester, Penn., 740*
— See also Steamers; Naval; Warships and PARAGRAPH INDEX
Shipping, German Merchant Fleet, 709
— Handling Facilities at Ports, 520. See 529
— Losses and Replacement, 143*, 538*, 474, 677*
— Merchant Tonnage and Prosperity, 652. See LETTER, 679
— Scandinavian, 510
— Trade Competition, 652
— Trade, Ports and Terminal Facilities, 654 Shipyard, Hog Island, Lay-out Data, 712
— Hog Island Lifting Gear, 264
— National, 13, 119
— New Continental, 85
— New Furness, 82*
— U.S. and Canadian Developments, 740*
— Vickers, Canadian, 395, 518*
Shock in Arc Welding, Protective Regulations, 695
— Tests. See Impact Tests under Tests {Materials}
Shop Engineering and Scientific Knowledge, 673
— Machine. See Machine Shop
Shop Stewards. See Labour
Shore, A. F., Report on rdness Testing, 444*. See 322
Shore Problems and Tidal Lands, 72
?— Scleroscope Hardness Tests. See Hardness under Tests {Materials)
Shoring Work, Connecting Tunnel Tubes in Quicksand, 183*
Shovelling Machine, Electrically-Driyen, Self- Propelled, Low-Clearance, 33*
Show, See ExhibiUon
Shuttering, Montevideo Concrete Reservoir, 515*. See also Ferro-Concrete
Sickness Insurance. See Insurance under Labour
Signalling Syrens, Air Raid, 19*
Silica Bricks. See Refractory Materials
Silver, Gas Occlusions in, 584
Silicates, Transformation Temperatures and Melting Points, 653
Singapore Harbour and Dock Works, 603*, 666*, 702*
Single Phase. See Electric
Skips, Drakes’ Hot-Coke Transport Svstem, 367*
Slag. See Metallurgy
Sleepers, Wood and Steel, on British Railways, 521
Slick Rolling-Forging Process at the Cambria Steel Works, 432*
Slough Motor Transport Depot for Repair Work, 530, 630
Smelting Furnaces. See Furnaces
— Works, Alkali Works Report, 149
— of Zinc, 486
Smith, C. C., Reaction between Pure CO and Pure Electrolytic Iron, 323
Smoke Box, N.Z., Narrow Gauge Locomotive, 576*
Socialism in Railway Administration, 747
Societies, Engineering. See Institutions
— Trade. See Labour ; Industrial Notes Soda Lime Glasses, Annealing Temperatures, 614
Solubility of Pot Materials in Glass, 503
Solvents, Recovery from Air Vapours, 345
Sorption of Iodine by Carbon, 562
Sound and Electricity, Analogies, 756
— Fields and Sound Antennas, W. Hahnemann and H. Hecht, 756
South Africa, Trade and Industries, 498
— Wales, Refractory Materials of, 472
— West, Notes from, 11, 39, 65, 89, 117, 145, 173, 203, 259, 289, 317, 345, 375, 405, 435, j 465, 495, 557, 594, 615, 647, 681, 713, 743
— Yorkshire, Notes from, 10, 39, 64, 89, 117, 144,173, 203, 229, 258, 289, 316, 344, 374, 405, 434, 464, 494, 526, 556, 594, 614, 647, 680, 712, 743
Soviet Influence on Russian Industry, 333
Spafford Tool Works, Fortin 5-Spindle Turret Drill Head, 723*
Spans, Quebec Bridge, 277*
Specifle Gravity Tests of Refractory Materials, 570
Specifications, Chain, Cast Steel, 156
Speed-Reduction Gears. See Marine; Propulsion
Speed Trials. See Trials
Spelter Industry, War Development, 672
— Industry, Swansea, 542
— Prices. See Metal Price Diagrams Spherical Sound Waves, 756
Spherometer, Precision, N.P.L., 179*
Spirit Levels, Bubble Tubes, 709
Spot Welding, 185
Stability of Aeroplanes. See Aeronautics
— Qi Tall Columns, Saganoseki Chimney, 334*
Staging, Steel, for Shipbuilding Berths, 98*
Stamping Hammers. See Machine Tools Standards Committee. See Engineering Standards
— Ferro-Concrete Barges, N.Y. Barge Canal, | 554*
— Ferro-concrete Ship, 3,500-ton deadweight, U.S., 326*
— Ships, Canadian Vickers, Montreal, 395*
— Submarine Chasers, American, 608*
— Symbols in Electric Welding, U.S., 522*
Standardisation of Aircraft Materials and Parts, 228
— of Hardness Tests, 478
— of Locomotives and Rolling Stock, 520
— of Merchant Shipbuilding, Permanence, 291
— of Tests, Refractory Materials, 472, 540 569*. See 322
Starters, Motor. See Motors, Electric
Starting Gear, Maybach Aero-Engine, 298*
— Semi-Diesel Oil Engines, 461*
State Electricity, Electricity Supply Combines, 547, 574
— Ownership of Railways, 683, 716, 747
Stations, Power. See Power Stations Statistics, Trade. See Trade
** Stavangerfjord,” Twin-Screw Passenger Steamer, 170*, 200*
Steam Auxiliary, Determination, Boiler Testing, 26, 55
— Boats. See Steamers
— Boilers. See Boilers
— Chart, Based on Callendar’s Formulas, 1*
— Condensation. See Condenser
— Consumption. See also Boilers ; Coal Consumption
— Crane. Sec Crane
— Engines. Sec Engines
— Generation by Waste Heat from Open-Hearth Furnaces, 338, 567*, 597. See 402
— Hammer. See Hammer under Machine
— High-Pressure and High-Temperature, in Power Stations, 617
— Plant in Chemical Works, 6. See Vol. CV, p. 541
— Pressure, Boiler Testing, 26, 55. See LETTERS, 88,116,169
— Raising, Coal Economy in, 442
— Raising Equipment, Floating Electric Power Station, 644. See Erratum, 713
— Trials. Sec Trials
— Turbines. See Turbines
Steamers, Cargo, Canadian Vickers Construction, 395*
— Cargo, Permanence of Standardisation, 291
— Cargo, Single-Screw, Double-Reduction Geared Turbines, 744*
— Cargo, Weight Constituents, 515*
— Ferro-Concrete. See Ships, Ferro-Concrete Steamers, Geared Turbines for. Propulsion
— Launching of. See Launching
— Machinery for. See Marine Engines, Turbines, Propellers
— Propulsion of. See Marine - Turbines, Propellers and Naval Architects
— Salvage of. See
— “ Stavangerfjord.” Twin-Screw Passenger, 170*, 200*
— Water-Tight Subdivision of. See Waier^ Tight and Naval Architects
— See also Warships; Ship ; Shipping; Shipbuilding; Engines ; Turbines ; Marine Propulsion ; and PZIRAGRAPH INDEX
Steel, Canadian Industries, 68
— Cobalt, Determination of Cobalt and Nickel, 75
— Composition and Load Relationships, 315*. See 322
— Elastic Properties, Effects of Cold-Working, 99*
— Exports, British Prospects, 377
— Foundry. See Foundry
— Frame Structures, Calculations, 97
— Furnaces. See Furnace
— Hadfield Exhibits, Products Exhibition, 211
— Hardened, Electrical Resistance, 509*
— Heat Treatment of. See Metallurgy
— Imports and Exports, 51, 88, 202, 332, 377 — Ingots, Defects in, 34* See also Gases
— and Iron, Home and Export Prices, 646
— and Iron Imports and Exports, 51, 88, 202, 232, 277
— and Iron, Magnetic Properties, Linear Equations, 362. See LETTER 553
— and Iron, Post-War Trade Materials, 23
— and Iron Works. By-Product Recovery, 206. Erratum, 340
— and Iron Works, Norwegian State Subsidised, 115
— Manufacture. See Metallurgy
— Microstructure. See Micfrophotographs
— Mild, Commercial Aspects of Cold Working, 105*
— Plates for Shipbuilding, Electric Welding Tests, 197
— Rails. See Pails
— Rolling-Forging Process, Slick, 432*
— Staging for Shipbuilding Berths, 98*
— Stress Distribution in. See Stress
— Structures, Riveted Joints, Rigidity, 638*
— Tests, of. See Tests {Materials)
— Trade, World’s, 377
— Weight Constituents, 515*
— Works. See Works
Steering Gear, Hydro-Electric, ” Wulsty Castle,” 213*
Stevenson, B. H., the Late, 85
Stewards, Shop. See Labour
Stewart, D. and Co., Ltd., Steam Hydraulic Plate Shears, 385*—Addendum 405
Stockbridge, J. P., the Late, 585
Stodola, Professor A. New Critical Shaft Speeds as Effects of the Gyroscopic Disc Action, 665*
Stoker, Forced-Draught, Self-Contained, 62*
Stoking of Boilers, Hand and Mechanical, 27. See LETTERS, 116, 152, 169, 199, 237, 267, 297, 353, 431, 474, 493, 535, 552, 579, 643
Stop Valves. See Valves
Storage of Petroleum, 303*. See LETTER, 383
Strain. See also Stress
Straits Settlements, Singapore Harbour and Dock Works, 603*, 666*, 702*
Street Railways. See Tramways
— See also Roads
Strength of Materials. See Stress and Tests {Materials)
Stress, Alternating and Combined. See Tests {Materials)
— Calculation of, in Engineering Structures, 147
— in Girder Sections, 116
— in a Rotating Disc, 131*. See LETTER, 611
— Strain Curves, Cold Working of Steel, 100-103*
— Strain Diagrams, Hardness Testing, 588* Strikes, See Labour ; Industrial Notes Strips, Crushing, Use in Launching, 710* Structural Engineering, Actual and Computed
Stresses,* 147
Structure, Ferro-Concrete. See Ferro-Concrete and Ships, Ferro-Concrete
— of Road Surfaces, 642
•— Steel Frame, Calculations, 97
— Steel, Riveted Joints, Rigidity of, 638*
Structure Gauge, British Railways, 519. See 529
Strut Problems, Approximate Graphical Treatment of, 699*
Submarine Campaign, German, Relative Failure, 176
— Enemy and Shipping Losses, 474
•— and Submersible Boats. See Warships.
Substations, Electric Central Argentine Railway, 430*
Subway Tunnel Tubes, Connecting in Quick-
Suds, Pump, Rotary, Jigs and Fixtures for, 79
Suggestion Schemes in Workshops, 41
Sulphur, Determination in Refractory Materials, 542
•— Ore Deposits, Norwegian, 141
Sulphuric Acid Handbook, 720
Sun Shipbuilding Yard, Chester, Penn., 70*
Superheat in Relation to the Steam Turbine, 1*, 53*, 107*, 161*, 189*, 245*
Superheated Steam, Temperature, Boiler Testing, 26, 55. Sec LETTER, 116
Supersaturation Effect in Steam Turbines, 1*, 53*,107*,161*, 189*, 245*
Supply and Demand, Effect of War on. See Tr^e
Surface Grinding Machine. See Grinding Machine under Machine Tools
Suyehiro, Professor, Devices for Comparing the Rotation of Shafts, 514*
Swansea Copper and Zinc Industries, 542
— Scientific Institution, Proposed, 622
Swedish State Electricity Supply, 547
Swenson Triple-Effect Evaporator, 108*
Switchboards, Floating Electric Power Station, 644
Switches, Regulating, Electric Furnaces, 87*
Switchgear, Electric Traction, Central Argentine Railway, 429
Switzerland, Steam Boilers in, 564
Synchroscopes, Rotation of Shafts, 514*
Syndicate, Coal, Rhenish Westphalian, 409
Synthetic Dyes, Constitution and Colour Relationship, 688
— Rubber, German, 156
Synthesis of Ammonia, Data of Nitrogen Compounds, 620
Syrens, Air Raid Signalling, 19*

TABLES and Formulas, 720
“ Tank ” in the European War, 559
— Experimental. See also Ship Models, Ship Resistance
— Fronde, N.P.L. Report, 95
— Gun, 6 Pdr., Model New Type, 79*
— Petroleum, and Reservoirs, Construction, 303*
Tanning, Colloid Chemistry, 70
Tantalum, Working Properties, 240
Tantiron Vessels and Apparatus, Acid-Resisting, 154*
Tappets, Milling Fixtures for, 635*
Tar Works, Alkali Works Report, 149
Tax, Income, Depreciation of Plant, 169
Teaching. See Education
Technical Papers, Composition of, 45 !
— Publications and the Neutral Countries, 268 i
— Societies. See Institutions and PARAGRAPH INDEX
— and Trade Schools, Text Books, 71
— Training and Industry, 67. See LETTER, 116
Technician and Practician, 292 ;
Technics of Magneto Magnets, 361*. See ! LETTER, 553
Technology, Chemical, Development of Department, South Kensington, 500
Teddington Laboratory. See National Physical i
Teeth, Gear. See Gear
— See also Electricity in PARAGRAPH INDEX
— Wireless, Quenched Spark Phenomena, 294
Telephone. See Electricity in PAR. INDEX .
Telescope and Binocular Tests, N.P.L., 176
— 100-in., Mount Wilson Observatory, 246
Telok Ayer Reclamation, Singapore, 603*
Temperatures, Casting, and Pyrometers, 34*
— Cylinder, 2 and 4-cycle Engines, 48*
— Ignition, in the Heavy Oil Engine, 128
— Low, and Electric Currents in Metals, 750
•— of Luminous Flames, 264
— Measurement, 380
— Measurement, Low Pressure Gases, 686
— Measurement. See also Pyrometer
— Regulation, Open-Hearth Furnace Design, 400. See 338
— Stability in Electric Furnaces, 435, 724* Tempering. See Heat Treatment under Metallurgy
Templets, Jigs and Fixtures, 27*, 79*, 134*, 195*, 308*, 364*, 422*, 543*, 635*, 730
— Works Practice. See Horner, J. Tender, Locomotive. See Locomotive Tennant, N. S., Testing of Air Compressors, 8*.
See LETTERS, 38,61, 88,153,199,238,267, 297, 353, 382
Tensile Tests. See Tests {Materials) Terminal Facilities and Ports, 654 Terminology, Electric Welding, U.S., 522*
Terrestial Magnetism. See Magnetism Testing of Air Compressors 8*. See LETTERS 38, 61, 88, 153, 199, 238, 267, 297, 353, 382
— Laboratories. See National Physical
— Machines. See Tests {Materials).
— of New Quebec Bridge, 277*
— Work at National Physical Laboratorv, 94, 120*, 178*, 221*
Tests, Aeronautical. See Aeronaidics
— of Friction Resistance, Surface Roughness and Heat Transmission, 95
— Locomotive, N.Z., 3 ft. 6 in. Gauge, 578
— Magnetic. See Magnetic

Tests (Materials):

Abrasion Tests of Sandberg “ Sorbitic ” Rails and Tyres, 625*
Aluminium Sheets, Indentation and Shore Hardness Tests, 388*. See 307 Amsler Testing Machines, 354*, 385 Austro-Daimler Aero Engine, Mechanical Tests of Parts, 539
Auto-Punch Impact Hardness Tester, 477. See 469
Balland Cone Tests, 475*, 478*. See 469* 588*
— and Scleroscope Hardness Relations, 444*. See 322
Bending Tests, Impact, of Hot Worked Steel, 311*. See 321, 467
Brinell Ball Tests and Scleroscope Readings, 444*. See 322
— Hardness Tests of Sandberg “ Sorbitic ” Rails and Tyres, 625*
— Hardness Tests of Various Metals, 285*
— Tests, Depth Indicator, 385* Cast Steel Chain Tests, 156,157. See 172 Clays, Tensile Tests of, 570
Compression Strength, Steel, Iron, Brass, 354
— Test Machine with Berry Strain Gauge, 99*
Compression Tests, Steel, Cold-Worked, 99*
Cone, Hardness, Tests, 475* 478*. See 469*, 588*
Crushing Tests of Steel Balls, 104* Cylinders, Oxygen, Internal Pressure, N.P.L., 95
Deformation by Hardness Tests, 469* Dynamic Hardness Test, 475*. See 469*, 588
— Value of Indentation Method, 475*. See 469*, 588*
— Wear and Indentation, N.P.L., 94
Impact Testing Machines, 385*
— Tests, 475. See 469*, 588*
— Tests of Hot Worked Steel, 311*. See 321, 467
— Tests, Notched Bars, N.P.L., 94
Indentation, andc., Tests, N.P.L., 94
— Method, Value, 475*. See 469, 588*
Joints, Riveted, in Steel Structures, 638*
Ludwik Cone Hardness Determination, 385* .
— Hardness Test, 478. See 469, 588
Magnetic Tests. See Magiietic Tests Maybach Aero-Engine, Mechanical Tests of Parts 298
Mechanical Properties, Copper Zinc Alloys, 308
— Tests of Copper Wires, 283*. See 292,468
Metals used in Shore Hardness Experiments, 444*. See 322
Monel Metal, Physical Tests, 451
Notched Bar Impact Testing, N.P.L., 94
Rails, Sandberg “ Sorbitic,” Tests, 625
Refractory Materials, After-Expansion and Contraction, 571
— Materials, Crushing Strength-Cold, 571
— Materials, Iz>ad Testing, 571
— Materials, Standardisation of Tests 473, 540, 569. See 322
Rieble Tension and Compression Machine, 99*
Road Surface Tests, 643
Scleroscope and Ball Hardness Relations, 444*. See 322
Shock Testing Machines, 385*
Standardisation of Hardness Tests, 478
Static and Dynamic Tension Tests, Cast
Steel Chains, 156, 157
— Hardness Test, 475*. See 469*, 588
Steel, Hot Worked, Mechanical Tests o , 311*. See 99*, 321, 467
Stress Tests. Electrically Welded Shii) Plates 197
Struts, Stream Line, Wood Value, N.P.L., 95
Tensile Testing Machines,. 354*
— Tests of Clays, 570*
— Tests of Copper Wires, 283*. See 292
— Tests of Hot Worked Steel, 311*. See 99* 321 467
— Tests of Sandberg “ Sorbitic ” Rails and Tyres, 625*
Tension Tests, Cast Steel Chains 156, 157. See 172
Tension Tests, Steel, Cold-Worked, 99* Testing Machines, 354*, 407
Thermal or Reversible Expansion Measurement of Refractories, 571
Tools, Indenting Hardness, 475, 478. See 469, 588
Torsion Testing Machine, Amsler, 354* 407
— Tests, Steel, Cold-Worked, 99* Tyres, Railway, Drop Testing, 545*
— Sandberg, “ Sorbitic,” Tests of, 625* Valve Steel, High Temperature, N.P.L., 95
Welding Tests, Electric, Lloyd’s Register, 197
— Tests of Steels, 320
Tests, Generator, Three-Phase, Single-Phase Load on, 725*
— Heat Transmission through Building Ma- 735
— Model, propulsion of Cargo Ships with Parallel Middle Body, 752*
— of Petrol Pump, Maybach Aero-Engine, 298*
— Three-Phase System Supplying Single Phase Power, 725*
— Waste Heat Boilers, Open Hearth Furnaces, 338, 567*, 597. Sec 402
— Working, of 250 Boiler Plants, 25, 55, 481. Sec LETTERS, 88, 116, 152, 169, 199, 237, 267, 326,353,382,414, 431, 474, 493, 535, 552, 579, 643
Text-Book of Physics, 181
— Books. See LITERATURE INDEX Textiles, Applied Chemistry, 689
— Paper, Products Exhibition, 250
Theodolite, Self-Recording, 234
Thermal Treatment. See Heat Treatmen under Metallurgy} Pyrometers
Thermit Welding, 185
Thermodynamics, High-Pressure and High- Temperature Steam, 617
— New Theory of the Steam Turbine, 1*, 53*, 107*, 161*, 189*, 245*
Thermojunctions, Thermal Conductivity of Aluminium, 123*
Thermometers, Precision and Clinical, Testing of, N.P.L., 178
— See also Pyrometer Thermometry, 380
Thomas, J. J., Relation between Brinell Bal
Test and Scleroscope Readings, 447* See 322
Thomson-Joule Effects 70
Thoria, Effect on Sintered Tungsten Ingots, 241*, 269*
Thread Milling Machine, Richards, 613*
— Screw. See Screw Threads Three-Phase. See Generator
Thrust Deductions, Cargo Ships with Parallel Middle Body, 752*
Thury Regulator, Electric Eurnace, 87*
Tidal Lands and Shore Problems, 72
Tides and Tidal Currents, 43
Tillage. See Agriculture
Time Effect, Hardness Testing, 475. See 469, 588
Timer Gear, Automobile, Eixtures for Cutting 195*
Tin Mining in the Malay States, 202
Tin and Tinplate Prices, See Metal Price Diagrams
Tinplate Manufacture and Detinning, 701
— Manufacture, Swansea District, 622
Titanium, Determination in Refractory ^fa- terials, 541. See 322
— and Rutile Deposits, 50
Tolerances, Screw Thread, B.S., 268
Toluol, Recovery in Gas Making, 83
Tonnage, Merchant Losses and Replacements 143*, 474, 536*, 679*
— and Prosperity, 652. See LETTER, 679 ' Tools, Diamond, 234
Tools, Machine. See Machine Tools
— Setter, Microscopic, 398*
— Steel. See Steel
Tooling Eixtures, Continuous, 543*
Toothed Gear Design. 265
Torsion Meters, Shaft Rotation Synchroscopes, 514*
— Meters. See also Dynamometers
Tower, Denitrating, Tantiron, 154*
Track Bonding, Electric Traction, Central Argentine Railway, 458*
— Equipment and Maintenance, Electric,
Central Argentine Railway, 458*
Traction, Electric. See Tramways: Railways
Traction Engine. See Tractor
Tractor, Gear Cutting Fixture for, 195*
— Motor, and Control, 381 Trade, Aircraft Imports, 228
— British, •with the Dominions, 497
— Central Europe, German Council, 264
— Coal Crisis and National Industry, 175
— Coal, Post-War, Committee Report, 37
— Disputes. See Labour : Industrial Notes
— Dumping, Economics of, 7. See Vol. CV, p. 611
—-Electrical, Post-War, Committee Report, 20
— Engineering and Allied Co-operation, 712
— Engineering (New Industries) Committee, 566
— Engineering Imports and Exports, 51, 202, 332, 508
— German Coal, 413
— German War Profits, 116, 419, 566 See also PARAGRAPH INDEX
— Goods Transport Questions, 520. See 529
— Industrial Competition, 7. See Vol. CV, p. 633
— Iron and Steel Imports and Exports, 51, 88, 202, 232, 377
— Iron and Steel, and Non-Ferrous Materials, Imports, 51
— Iron and Steel, Post War Materials, 23
— Machinery Exports to Malay Peninsula, 74
— Marks Report, 151
— Merchant Traders, Government Neglect, 258
— Ports and Terminal Facilities, 654
— Prices, Iron and Steel, Home and Export, 646
— Reconstruction Problems, 437, 587, 708
— Rhenish Westphalian Coal Syndicate,
— Salt, of the United States, 77*, 108*
— Schools, Text-Book, 71
— Shipping Tonnage and Prosperity, See LETTER, 679
— Statistics, German. See Industries under PARAGRAPH INDEX
— Unions. See Labour : Industrial Notes
— World’s Steel, 377
Train. See also Railway
Training. See Education : Apprenticeship
Trajectory, Elliptic, of Projectiles, 393*, 424*’ See LETTERS, 552, 579*
Tramways, Electric, Motors and Control, 381
— See also PARAGRAPH -INDEX
Transformers, Boosting, in Series with Balancer Windings, 692*
— Floating Electric Power Station, 644
— Relative Loading, Electric Furnaces, 87*
— Rotating Balancing, Single-Phase Electric Furnace, 723*
Transmission Case Covers, Tooling Fixtures, 543*
— Electric, Ship Propulsion. See Marine Propulsion
— of Heat through Heavy Building Materials, 735
— Gear. See Gear : Gearing : Marine Propulsion
— of Power. See Marine Propulsion Transport, Aerial. See Aeronautics
— and Agriculture, 522. See 529
— British, and Foreign Competition, 522
— and the Navy, 144
— System for Hot Coke, 367*
— and Terminal Facilities, 654
Transporting and Lowering Gear for Lifeboats, 49*
Transverse Tests. See Bending Tests under Tests {Materials}
Travelling Crane, See Crane
Treadwell, The late Professor F. P., 74
Trials of H.M.T.B. Destroyer “ Mounsey,” 678*
— of 30,000-Ton Black Sea Floating Dock, 551
— Waste Heat Boilers, Open Hearth Furnaces, 567*, 597*
— See also Tests
Tridymite, Quartz Transformation, 653
Trigonometry, Mathematics for Engineers, 71 .— Numerical, 720
Triple-Effect Evaporator (Salt), Swensen, 108*
Trollhatta Canal, New, Erratum^ 18. See Vol. CV, p. 656
Truck. See Bogie
Truss Stresses, Actual and Computed, 147
Tsuchiya, T., Devices for Comparing the Rotation of Shafts, 514*
Tubes, Subway Tunnel, Connecting in Quicksand, 183*
** Tuckahoe,’* American Collier, Construction Record, 61
Tungsten, Fibrous, Ductility of, 300*
— Grain Growth in, 328*, 357*. See 306
— Industry, War Development, 672
— Metallography and Manufacture of, 239*, 269*, 300* See 328*
— Ores. See PARAGRAPH INDEX
— Relationship to other Metals, 240*
— Weldability, 275
— Working Properties, General Considerations, 270*, 300*
Tunnel, Channel, Project, 413
— Subway, Connecting Tubes in Quicksand, 183*
Turbines, Double-Reduction Geared, for Single-Screw Cargo Steamer, 744*
— Floating Electric Power Station, 644
— Shafts, Rotation Synchroscopes, 514*
— Shafts, Whirling Speed, Supported in Three Bearings, 573*, 601*
— Steam and Marine, Atlas Company, 675*
— Steam, Marine, Geared. See Marine Propulsion
— Steam, Natural Steam Power Plant, Larderello, 339*
— Steam, New Theory of, 1*, 53*. 107*, 161*, 189*, 245*
Turbo - Electric Machinerv, Ljungstrom, “ Wulsty Castle,” 30*, 82*, 140*
Turning Moments, 2 and 4-Cycle Engines, 485*
Tuyeres, Bosh, Notes on, 356*. See 336 Twelvetrees, W. N., Waller System of Reinforced Concrete Ship Construction, 580*
Twin-Screw Hopper Dredger, 1,500-Tpn, 640*
— Passenger Steamer. ” Stavangerfjord,” 170*, 200
Two-Cycle v. Four-Cycle Internal Combustion Marine Engines, 482*
— Heavy Oil Engine, Weiss, 595* Two-Stroke Cycle Engine. See Engine Tyres, Railway, Falling Weight Test, 545*
— Steel, Sandberg Hardening Process, 625*

UNDERCOOLING in Steam Turbines, 1*, 53*, 107*, 161*, 189*, 245*
Unemployment Insurance. See hisurance under Labour
Unions, Trade. See Labour : Industrial Notes United Kingdom. See also British
United Kingdom, Railways of. See Baiheays
United States Bureau of Mines, Technology of
Salt Production, 77*, 108* ; Nitric Acid from Nitrogen Oxide, 96 : Flotation of
Glass Sheets, 236* ; Oil Storage Tanks and Reservoirs, 303*—See LETTER, 383 ; Explosibility of Coal Dust Air Mixtures, 378
— Collier, ” Tuckahoe,” Construction Record, 61
— Crops and Climate, the Larger Relations, 630
— Fuel Economy in, 207
— Petroleum, Exhaustion, 633*
— Ports and Terminal Facilities, 654
— Potash Production, 704
— Railways. See Railways
— Shipbuilding Developments, 740*
— Shipbuilding, Rapid Construction, 497. See LETTER, 535
— Shipyard at Hog Island, Lay-out, 172
— Standard Ferro-Concrete Ship, 3,500-Ton, 326*
— Workmen’s Compensation, Effects, 670
— See also America
— Navy. See Warships
Universal Testing Machine, Amsler, 354*, 385*
University Degrees, Modification of Courses, Suggested, 611, 643, 679, 722, 751
— of Illinois. See Illinois
— See also Ediicaiion
Unwin, Dr. W. C., Ludwik Hardness Test, 478. See 469*, 588

VACUA, High, and their Measurements, 686
Vacuum Corrections for Steam Turbines, 245*
Vacuum Pans, Swenson Triple-Effect Evaporator, 108*
— Tube, “ Ozonezer,” 440
Valve Covers, Grinding, Fixtures for, 422*
— Cover Holes, Boring, Fixtures for, 730*
— Locomotive, N.Z. Narrow Gauge Engine, 676*
— Steam Turbine, Larderello Natural Steam Power Plant, 339*
— Stop, Ljungsti om Turbo-Electric Machinery,
“ Wulsty Castle,” 30*
— and Valve Gear, 200-h.p. Austro-Daimler Aero Engine, 488*, 537*
— and Valve Gear, 300-h.p. Maybach Aero Engine, 252*, 298 ,
Vapours, Air, Recovery of Solvents, 345
— Metallic, Low Voltage Arc, 696
Vegetation in Shore Protection, 72
Ventilation and Heating, 351
Vertical Projectors for Screw Gauge Testing, N.P.L., 221*
Vessels. See Ships: Shipping
Vibrations, Coupled, Apparatus for. 74
Vickers, Canadian, Shipbuilding Works at Montreal, 395*, 518*
— Ltd., Chairmanship, 325
Victorian Railways, “Consolidation” Locomotive, 10*
~ Railways, Saloon Car for Special Traffic, 63*
Viscosimeter, Standard Say bolt, 294
Viscosity of Colloids, 70
— See also Lubrication
“ Vitreon,” British Products Exhibition, 212

WAGES. See Labour
Wagons, Motor. See Motor Wagons: Tractors
— Railway, Private Ownership Question. 521. See 529
— Railway, Standardisation, 520. See 529
Wake and Thrust, Cargo Ship with Parallel Middle Body, 752*
Walker, H. C., the Late, 614
Walker, Dr. M., Supply of Single-Phase Power from Three-Phase Sj’stems, 691*, 723*, 754*
Waller System of Ferro-Concrete Shi]) Construction, 580*
Walls, Thick, Heat Transmission, 735
Walschaert Gear for N.Z. Narrow’ Gauge Locomotives, 576*
Wanamaker, E., War and Welding, 185, 213
War, European. See European War
— Munitions. See Munitions
— Profits, German. See German Warehouses and Port Facilities, 654 Warfare, Use of Aircraft in. See Aeronautics

Warships

Calculations, Construction and Operation, Handbook, 295
Construction and the Armistice, 652 “ Imperatritza Afaria,” Attempted Salvage, 46
“ Mounsey,” T.B. Destroyer, 678* Naval Patrol Boats, 182* Navy, British, Work of, 144
Submarine Chasers, American, Construction, 608*
Submarines in the European War, 559 — Internal-Combustion Engines for, 319. See LETTER, 383
U.S. Battle-Towing Target, Electric Joint Welding, 526*
Waste of Coal, Causes, 232
— Heat, Open-Hearth Furnace for Steam
Generation, 338, 567*, 597*. See 402
— Metallic, Agglomeration, 265
— Paper Recovery and Re-manufacture, 181 Watch and Chronometer Testing, N.P.L., 180
Water Absorption Tests of Refractory Materials, 570
— Agitation by Compressed Air, to Prevent Ice, 324
— Consumption, Scmi-Diesel Oil Engines. 461*
— Feed, Anlaysis and Temperature, Boiler Testing, 26, 55, 481. See LETTERS, 152, 169, 297
— Feed, Temperature and Fuel Economy, 443*
— Friction. See Pipes
— Meters, Boiler Feed, 207
— Power, British Empire, 236
— Power. See Power Plant
— Supply, Montevideo Ferro-Concrete Reservoirs, 453*, 515*
— Supply. See also Irrigation
— Tanks. See Tanks
— Tube Boiler. See Boiler
Waterways. See also Rivers; Canals ; Navigation, Inlatid
Water Works. See Water Supply and PARAGRAPH INPEX
Waves, Sound, 756
Way End Pressure in Launching, 710*
Wear of Metals, 625*
Weather. See Meteorological
Wei-hai-wei, Climatology, andc., 739
Weight Constituents of a Cargo Ship, 515*
Weiss High-Compression Heavy Oil Engine, 595*
Weldability of Tungsten, 275
Efficiency and Failures,
— Autogenous, 185
— Electric, 185, 213
— Electric, Admiralty Research Committee Regulations, 695
— Electric, Alternate Current, 696
— Electric, Application to Shipbuilding. 197
— Electric, of Barge, 142
— Electric, v. Gas and other Methods, 185, 213
— Electric, for Steel Ships, U.S., 522*
— Electric, U.S., Nomenclature, 522*
— Fixtures, Aeroplane Parts, 364*
Welds, I'esign, Position, Type, U.S., 522*
— Influence of Occlusion of Gases, 585 Welfare Work. See Labour
Wellpark Brewery, Glasgow, Gravity Conveyor, 165*
“ Werkspoor,” 4-Cycle Internal Combustion Engine, 482*
West of Scotland Iron and Steel Institute, Some Useful Testing Machines, 354*, 385*
Wharves, Ferro-Concrete, Singapore Dock and Harbour Works, 666*
Whirling Speed of Shafts in Three Bearings, 573*, 601*
Whiteley, J. H., Warping of Steel through Repeated Quenching, 340*. See 324
Whitley Scheme, Joint Industrial Councils, 48
Wild-Barfield Electric Muffle, 143*
Willcocks, G. W., the Late, 38
Williams, Perej’, on Disintegration of a Copper- Aluminium Alloy, 448*. See 307
Wilson, J. P., the Late, 413
— Mount, Observatory, Giant Reflector, 246 Wind Pressure on Tall Chimneys, 334*
— Structure, Balloon Soundings, Scilly Isles, 630
Windings, Electric. See Electric
Wire, Copper-Aluminium, Case of Disintegration, 448*. Seo 307
— Tungsten, Ductility, 300*
— Tungsten, Production, 239*, 269* Wireless Telegraphy. See Telegraphy.
Wolseley Motors, Ltd., Jig and Fixture Practice, 422*
Women in the Drawing Office, 438. See LETTERS, 535, 553, 579, 611.
— Engineers, 642
— in Engineering, Position of, 438. Sec LETTER, 535, 553
— Industrial Future of, 685 ,
— Workers. See Labour and PARAGRAPH INDEX
Wood, F., Investigations into the Structure of

Road Surfaces, 642

Wooden Ships, Ferro-Concrete Repairs to, 680*
Woolwich Arsenal, War Work, 722
Workmen’s Insurance. See Labour.
— Compensation. See Laboxir Workmen. See Labour

Works :

Alkali Works Report, 149 Aluminium Works, 219 Bristol Electricity, Water-Tube Boiler Plant, 126*
Canadian Vickers Shipbuilding, 395*, 518*
Chemical, Steam and Power Plant, 6. See Vol. CV, p. 541
Cunard National Shell Factory, 3*, 57* Engineering Works, Position of Officials, 722
Foremen, Shop, Functions and Value, 718 — Duties and their Pay, 611
Invention and Suggestion by Workers, 41 Iron and Steel, By-Product Recovery, 206—Erratum, 340
Lighting of Works, 620 National Factories, Expenditure, 630 — Factories, Ownership Question, 651 Russian, Failure under Bolshevik Administration, 333
Workshops. See Works : Machine Tools Wreck Raising. See Salvage
Wrenches, Monkey, Milling Fixtures for, 637*
"Wulsty Castle,” Ljungstrom Turbo-Electric Machinery, 30*, 82*, 140*; Hydro-Electric Steering Gear, 213*

X-RAY Bulbs and Occlusion of Gases by Metals, 563
— See also Rbntgen JRays

YEAR Books. See LITERATURE INDEX

ZAHAROFF Professorship of Aviation, 44
Zimmer, G. F., Conveyor at Wellpark Brewery,. Glasgow, 165* ; Coke Handling at Manchester Corporation Gas Works, 367*
Zinc Alloys. See Metallurgy
— Condensation from, as Vapour, 527
— Electrolytic, 45
— Industry, 486
— Industry, Swansea, 542
— Industry, Uses of Refractories, 473
— Prices. See Metal Price diagrams
— Working Properties, 240
Zirconia, Occurrence and Application, 472

Grace's Guide To British Industrial History

Engineering 1918 Jul-Dec: Index: General Index

See Also

Sources of Information