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The Engineer 1926 Jan-Jun: Miscellaneous Index.

Note: This is a sub-section of The Engineer 1926 Jan-Jun: Index

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A ABRASIVE Blocks, Commutator Grinding 1 Block Company, 249

Accelerometer and Air Speed Recorder, Cambridge Instrument Company, Ltd., 37

Activated—see Sewage

Adhesives, 500

“ Aeroflex,” Improved Electric Fuse, 366

AERONAUTICS :

See also Annual Articles

Air Transport, 518

Civil Marine Aircraft, 324

International Tests of Aeronautical Models,

174

Italian Airship Norge, 437

Metal Aeroplane Developments, Boulton and

Paul, Ltd., 306

“ Pterodactyl ” Tailless Aeroplane, Captain

G. T. R. Hill, 463, 498, 501

Relationship of Physics to Aeronautical Research, H. E. Wimperis, 613

Technical Aspects of the Commercial Airship,

B. N. Wallis, 217 ; (Letter), 296

Wireless Equipment of a Seaplane, 209

AGRICULTURE, Applications of Engineering to, Frank Ayton, 645, 647 ; (Letter), 673

Agricultural Engineering, 128

Agricultural Machinery Exhibition at Brussels, '242

Air Compressor with Cylinder 4|in. by 6in. and

5 H.P. Oil Engine, Blackstone Company, '

Air Pollution in English Towns and Cities, John

B. C. Kershaw, 433 ; (Letter), 580

Alloys, Light, or Steel ? 528

Aluminium-copper-tin Alloys, Dr. D. Stock-dale, 318

American Engine Trials—see Engines

AMERICAN ENGINEERING NEWS :

79, 162, 190, 465, 504, 552, 661

American Shipbuilding, 661

Blast-furnace, New 700-Ton, 661

Concrete Roads, 465

Conveyors in Coal Mines, 465

Creosoting Works of the Southern Pacific

Railway, 162

Diesel-electrie Dredger, 162

Economy in Turbine Plants, 504

Electrical Energy, 190

Electric Excavators, 552

Ferro-sulphurous Blast-furnace, 552

Heavy Dredging Work, 79

Iron and Steel, 190

Labour, 190

Large Locomotive Terminus, 552

Leaching Low-grade Copper Ore, 552

Locomotives with Trailing Bogies, 79

Machine Operation of a Coal Mine, 504

Mountain Railway Engineering, 79

Ocean Shipping, 190

Railway Labour-saving Machinery, 552

Railway Lift Bridges, 504

Simplified Practice, 191

Strengthening a 416ft. Bridge Span, 465

Twelve-coupled American Locomotives, 661

Underground Mining of Limestone, 162

ANNUAL ARTICLES :

Aeronautics in 1925, 10, 32

(Supplement, January ls£, 1926)

British, Some, Military and Civil Aeroplanes, 10, 32

A. V. Roe and Co., Ltd.:

AviO “Bison” Fleet-spotting Machine, 10 (Supplement, January 1st, 1926)

Avro-Lynx Seaplane, 10

English Electric Company Ltd.:

Metal-hulled “ Kingston ” Flying Boat, 12 (Supplement, January !<$£, 1926)

Handley Page, Ltd.:

Triple-engined “ Hampstead ” Passenger Machine, 10 (Supplement, January 1st, 1926)

Short Brothers, Ltd.:

All-metal Aircraft Construction, 11

32 H.P. All-metal Monoplane Flying Boat, 11, 12

Experimental Duralumin-hulled Flying Boat, 12 (Supplement, January 1st, 1926)

Vickers Ltd.:

“ Vanguard ” 25-Seater Passenger Biplane, with “ Condor ” Engine, 10, 11 (Supplement, January 1st, 1926)

“Vixen” Military Machine 11 (Supplement, January 1st, 1926)

Westland Aircraft Works :

Yeovil Bombing Machines, 10 (Supplement, January ls£, 1926)

Additional Military and Civil Aeroplanes, 32, 44

Armstrong, Whitworth Aircraft, Ltd.:

“ Ajax ” Two-seater Reconaissance Biplane, with “ Jaguar ” Engine, 33, 44

“ Argosy ” Three-engined Passenger Biplane, 32, 33

Beardmore, Wm., and Co., Ltd.:

Two-seater, Fighter Biplane, with Rolls-Royce “ Eagle ” Engine and “ Lamblin ” Radiator, 33, 34

Bristol Aeroplane Company, Ltd.:

Various Aeroplanes and Engines, 34, 35

Variable Timing Gear, 34, 35

Bristol “ Bloodhound ” Test Results, 35

Fairey Aviation Company, Ltd.:

Fairey “ Fox ” Two-seater Day Bomber with Fairey-Reed Metal Air Screw and Fairey “ Felix ” D 12 400 H.P. Aeroengine, 32

Fairey “ Fawn ” Three-seater Army Machine with Napier “ Lion ” Engine, 32

“ Flycatcher ” Single-seater Scout, Variable Types and Engines, 32

Fairey III. D Seaplane, 32

Gloucestershire Aircraft Company, Ltd.:

“ Gamecock ” Single-seater Fighter wit! “ Jupiter ” Engine, 33

“ Gloster III.” Single-seater Racing Sea plane, 33, 44

“ Gorcock ” Single-seater Fighter witl Napier “ Lion ” Engine, 33

“ Jupiter Greve,” Developed Type, 33

ANNUAL ARTICLES (continued) :

Hawker Engineering Company, Ltd.:

“ Woodcock ” Single - seater Fighter ;

“ Heron ” Single-seater with Metal Structural Details; “Hedgehog” Three-seater Biplane: “Woodcock,” “Heron ” and “Hedgehog,” with Bristol “Jupiter ” Engines, 32

“ Horsley ” Day Bomber with Rolls-Royce Condor Engine, 32

Single-seater Fighters for Royal Danish Navy, with Siddeley “ Jaguar ” Mark IV. Engines, 33

Parnail, George, and Co.:

“ Plover ” Single-seater Fighter, with

“ Jupiter ” or “ Jaguar ” Engine, 34, 44

Airships :

U.S. Shenandoah, British R 33, 35

Civil Aviation, 10

Helicopters :

Autogiro, 35

Electrical Engineering in 1925, 20, 48 (Supplement, January ls£, 1926)

Electric Motors, 48

Electric Traction, 49 ; Storage Battery Mine Locomotive, Hawthorn, Leslie and Co., Ltd., 49

Generating Sets, 21

Barking Power Station, 40,000-Kilowatt

Parsons Turbo-generator Set, 21 (Supplement, January ls£, 1926)

Bow Generating Station, 22 (Supple- j ment, January ls£, 1926)

Turbo-generator at Bradford Electricity Works, English Electric Company, 22 (Supplement, January ls£, 1926)

Hydro-electric Plant, 48

Mercury Vapour Rectifiers, 21

Sub-station Plant, Mercury Vapour and Static Transformer Sections, 21

Mining Plant, 49

Miscellaneous, 50

Rolling Mill Plant, 49

Sub-station Plant, 22

Automatic Sub-stations, 22

Supervisory Control Equipment for Automatic Sub-statiop, Metropolitan-Vickers Company, 22 (Supplement, January ls£, 1926)

Switchgear, 48

Telephone Cables, 50

Transformers, 48

Testing Transformers for Sustained Arc between Points 114in. Apart, Ferranti, Ltd., 48

Wireless Communication, 20

Automatic Call Apparatus, Marconi Company, Radio Communication Company, 21 ; Daventry Wireless Transmitting Gear, 20

Fluctuations in Prices of Engineering Materials during 1925, 9

Gas Engineering in 1925, 63

Combined Nitrogen Production, 64

Gasworks and Low-temperature Carbonisation, 63

Synthetic Alcohol, 64

Technical Progress. 64

Utilisation of Coke, 64

ANNUAL ARTICLES {continued):

Harbours and Waterways in 1925, 50

United Kingdom, 50

Bristol Channel and South Wales Ports, 50

British Waterways, 51

London, Port of, 50

Mersey and Manchester Ship Canal, 50

Naval Dockyards, 51

North-East Coast and Humber Ports, 50 Other Ports, 50 Scotland, 50

Southampton, 50

Africa, 51

European Ports, 51

Belgium, 51

Continental Waterways, 51

France, 51

Germany, 51

Holland, 51

Italy, 51

North and South America, 51

Canada, 51

South America, 51

United States, 51

The East, 51

Locomotives—see Steam

Motor Ships and Marine Oil Engines in 1925, 14, 17,18

{Supplement, January 1«£, 1926) Brown-Sulzer Engine, 14, 17, 18, 19 Continental Progress in 1925, 19 Double-acting Engines, 14, 17

Asturias, R.M.S.P. Motor Passenger Liner, and One of Main Engines, 14, 17, 18

North British Two-cycle Sliding Cylinder Engine, 17, 18

Swedish-American Liner Gripsholm, 17, 18 {Supplement, January ls£, 1925)

Mirrlees-Nobel 1000 B.H.P. Two-cycle Engine, 19

“ Neptune ” Type Marine Engine, Swan, Hunter and Wigham Richardson, 18, 19 Opposed Piston Engines, 19

Single-acting Four-cycle Eng'nes, 17

Raby Castle, North-Eastern Werkspoor Motor for, 17 {Supplement, January 1st, 1926)

S.’ngle-acting Two-cycle Engines, 17

Upwey Grange Houlder Line Motor Reirigerator Ship, 17, 18 {Supplement, January l<tf, 1926)

Motor Ships and Marine Oil Engines in America, 19

Worthington 2900 B.H.P. Double-acting Engine, 19

Conclusion, 20

Naval Construction in 1925, 5

British Empire, 5

France, 6

Italy, 7

Japan, 6

Minor Navies, 7

United States, 6

KTNUAL ARTICLES (continued) :

Railways in 1925, 46

Great Western, 47

London Electric Railways, 47

London, Midland and Scottish, 46

London and North-Eastern, 46

Metropolitan, 47

Metropolitan and Great Central Joint

Railway, 47

Southern, 47

Two Light Railways, 47

Sanitary Engineering in 1925, 23

Bradford Esholt Scheme, 23

Falmouth, New Main Drainage Works at, 23

General Outlook, 22

Leeds Main Drainage and Sewage Disposal Works, 23

London Main Drainage, 22

Manchester, 22

Reading, New Disposal Works at, 23

Salford, 23

Wandie Valley Joint Sewerage Board, 23

Works Completed, Under Construction or in Contemplation, 23

Steam Locomotives of 1925, 2

(Supplement, January ls£, 1926)—see also Illustrations, Names Index and Subjects Index, Locomotives

French Engines :

P.L.M. Railway, Eight-coupled Passenger Engines, 5 (Supplement, January Istf, 1926)

Paris-Orleans Eight-coupled Passenger Engine, 5 (Supplement, January 1st, 1926)

Great Western Railway, 2 (Supplement, January ls£, 1926)

Great Western Railway Passenger Engine Saint Martin, 2 (Supplement, January Isi, 1926)

London, Midland and Scottish Railway, 2

London, Midland and Scottish Railway Three-cylinder Compound Engine, 2

London and North-Eastern Railway, 2 (Supplement, January ls£, 1926)

London and North-Eastern Engines, “ Mikado ” Type Locomotive, “ Gar-ratt ” Locomotive, 2 (Supplement, January ls£, 1926)

London and North-Eastern Railway Engine with Lentz Valve Gear, 2

Makers’ Locomotives :

Avonside Engine Company, Fireless Locomotive, 2, 3

Sir W. G. Armstrong, Whitworth and Co., Ltd., South Australian Railways, Six-coupled Engine, 5

W. G. Bagnall, Ltd., Madras and S.M. Railway, 3

Beyer, Peacock and Co., Ltd., Garratt Engine, Indian State N.W. Railway, 3 ; Experimental Ljungstrom Geared Turbine Engine, 3, 4

Hawthorn, R. and W., Leslie and Co., Ltd., Indian State Railways, Tank Engine, 5

North British Locomotive Company, Ltd., South African Railways Modified “ Fairlie ” Engine, 3 (Supplement, January ls£, 1926)

Peckett and Sons, Ltd., Saddle-tank Engine, 4

Robert Stephenson and Co., Ltd., Somerset and Dorset Joint Railway, Eight-coupled Goods Engine, 4

Vulcan Foundry, Ltd., Nigerian Railways Three-cylinder Narrow-gauge Engine, 4 (Supplement, January 1st, 1926)

Yorkshire Engine Company, Ltd., Oil-burning Engine, Central Railway of Peru, 4

■ Southern Railway, 2 (Supplement, January 1st, 1926)

Southern Railway, Express Passenger Engine, “ King Arthur ” Class, 2 (Supplement, January 1<$£, 1926)

Steamships of 1925, 7

(Supplement, January l«s£, 1926)

British-built Liners, 7

Caledonia, Anchor-Cunard Liner, 8

Carinthia, Cunard Liner, 7

Conte Biancamano, Lloyd Sabaudo Company, 8 (Supplement, January 1st, 1926)

Llandovery Castle, Union-Castle Liner, 7

Princess Marguerite, Canadian Pacific Liner, 8

Ranchi, Peninsular and Oriental S.N. Company, 7 (Supplement, January ls£, 1926)

Dredgers Built During 1925, 8

Railway and River Boats, 8

Repairs and Reconditioning, 8

Salvage Operations and Shipbreaking, 8

Some New Developments, 8

Some Refrigerator Ships, 8

Water Supply in 1925, 35

(Supplement, January ls£, 1926)

British Works :

Belfast’s Silent Valley Scheme, 36

Bradford, 35

Cardiff, 36

Loch Katrine Works, 36

Manchester Corporation Waterworks : Haweswater Scheme, Heaton Park Reservoir, Thirlmere, 35

Queen Mary Reservoir, 35 (Supplement, January Isf, 1926)

Taf Fechan Water Supply Board, 36 Wakefield’s Ryburn Valley Scheme, 36 Works in Hand or in Contemplation, 36

Hong Kong Water Supply, 36

Sennar Dam and the Gezira Irrigation Scheme, 36 (Supplement, January ls£, 1926)

Singapore Water Supply from Johore, 37

Other Works Abroad, 37

NTO] 441 rchite rmou:

FAGASTA, Port of, Enlargements at, jctural—see Traditional

r Plate, Manufacture of, Monsieur Bacle,

186

rmstrong, Professor H. E., Fuel Research, Report on the Coal Industry, 375, 524

ASSOCIATIONS, INSTITUTIONS & SOCIETIES:

Association, British Acetylene and Welding :

Notes on Welding of Aluminium, Edgar T. 'Painton, 189

Association, British Waterworks :

Summer Meeting at Bristol, Programme, 649

Association, Diesel Engine Users’ :

Heavy Oil Engine Installations, Geoffrey Porter, 277

Industrial Tests of Internal Combustion Engines, W. A. Tookey, 437

Specifications for Lubricating Oils for Use on Heavy Oil Engines, E. W. Johnston, 615

Association of Engineers, Manchester :

Garratt Locomotive, R. H. Whitelegg, 392

Association, Incorporated, Municipal Electrical :

Industrial Electric Heating, A. P. M. Fleming and J. H. Crossley, 669

Operating Costs of Electric Battery Vehicles C. W. Marshall, 668

Presidential Address, R. B. Mitchell, 635

Supplies to Outlying Districts, S. E. Britton, 635

Thirty-first Annual Convention at Glasgow, 635, 668

Institute, Iron and Steel:

Annual Meeting, 447, 600, 627

Coal-blending, D. Brownlie, 628

Effect of Mass in the Heat Treatment of Nickel Steel, Dr. W. Rosenhain and others, 628

Hardening and Tempering of High-speed Steel, A. R. Page, 630

Hardness of Carbon Steels at High Temperatures, I. G. Slater and T. H. Turner,' 629

List of Papers Taken as Read, 630

Ratio of the Tensile Strength of Steel to the Brinell Hardness Number, R. H. Greaves and J. A. Jones, 630

Autumn Meeting Programme, 447, 630

Bessemer Gold Medal Award, 600

Past and Future of the Steel Industry, Sir W. P. Rylands, 574, 583, 601

Programme, 447

Report on the Heterogeneity of Steel Ingots, 528, 601

Silicates in Steel Ingots, J. H. S. Dickenson, 528, 602

Institute of Marine Engineers :

Electric-hydraulic Steering Gear, Dr. Hele-Shaw and T. E. Beacham, 506

Institute of Metals :

Annual Dinner, 293

Annual and Extraordinary General Meeting, List of Papers, 222

Annual Meeting, 222, 292, 317, 345

Extraordinary Meeting, New Articles of Association, 346

Aluminium-Copper-Tin Alloys, Dr. D. Stock-dale, 318

Brittle Ranges of Bronze, W. L. Kent, 318 Constitution of the Alloys of Silver and Tin,

A. J. Murphy, 345

Corrosion of an Ancient Tin Specimen, Professor C. O. Bannister, 346

Crystal Growth in Recrystallised Metals, Dr. W. Feitknecht, 317

Determination of Zinc Oxide in Brass, Dr.

B. S. Evans and Mr. N. F. Richards, 346

Die Casting of Aluminium Alloys, George Mortimer, 292

Hardness of Cold-rolled Copper, S. L. Hoyt and T. R. Schermerhorn, 292

Influence of Gases at High Temperatures, A. Glynne Lobley and Douglas Jepson, 318

Intermetallic Compounds, W. Hume-Rothery, 345

Macrostructure of Cast Metals, R. Genders, 317

Mechanical Properties of a Nickel-Copper Alloy, H. J. Tapsell and J. Bradley, 346

Single Crystals of Metals, Sixteenth May Lecture, Professor H. C. H. Carpenter, 559 Soft Soldering of Copper, Dr. T. B. Crow, 318 Softening of Strain-hardened Metals, &c., R. W. Bailey, 292

Striation Due to Working or Corrosion, Monsieur A. M. Portevin, 346,

Institute of Physics :

Relationship of Physics to Aeronautical Research, H. E. Wimperis, 613

Institute of Transport:

Sixth Congress Programme, 468

Institution of Civil Engineers :

Annual Dinner, 293

April Examinations, 1926, Pass List (Interim) and Associate Membership, 565

Construction of a Breakwater Head at Madras, Colin Robert White, 464

Conversazione, 640 ; Three Lectures, Models and other Exhibits, Compressed Air Machinery, Monel Metal Parts, Metal-lurgical Exhibits, Optophone for the Blind, Manometer, Ventilating and Displacement, Vertical Vibrograph and Stress Recorder, Fan Brake Dynamometer, Dust Counter, 640

Khyber Railway, Victor Bayley, 221

Khyber Railway, Survey and Construction of, Colonel Gordon R. Hearn, 221

Limiting Stresses, Discussion, 472

October Examinations, 1925, Pass List, 161 Association of London Students :

Caine Waterworks Company, Recent Improvements in the Works of, J. Kennard, 68

Development of Harbour and Dock Engineering, Vernon-Harcourt Lecture, Sir Cyril Kirkpatrick, 24

Driving a Cable Tunnel under the Thames, 242

Birmingham and District Association :

Joint Meeting :

Road Transport and its Possible Developments, Papers by Major F. C. Cook, Mr.

C. Owen Silvers, and Sir John Thorny-croft, and Discussion, 2’07, 208

ASSOCIATIONS, INSTITUTIONS & SOCIETIES (continued) :

Institution of Electrical Engineers :

American Switchgear, 192

Application of Machinery at the Coal Face, Sam Mavor, 444

Design of Storage Battery Locomotives for Use in Mines, L. Miller, 444

Electric Traction on the Orleans Railway, H.

Parodi, 408

Electricity in Mines, R. Nelson, 444

Improvement of Power Factor, Edgar Wall

Dorey, 182

Semi-Jubilee Dinner, 130

Summer Meeting, 384

Testing Static Transformers, Lindley Thompson and H. Walmsley, 158

South Midland Centre :

Joint Meeting on Road Transport, 207

Wireless Section :

Frequency Variations in Thermionic Generators, Lieut.-Colonel K. E. Edgeworth: 70

Propagation of Radio Waves, J. Holling-worth, 192

Rugby Wireless Station, E. H. Shaughnessy, 448

Institution of Engineers and Shipbuilders in Scotland :

Nobel Oil Engine, P. H. Wilson, 324

Werkspoor Marine Oil Engine, G. J. Lugt, 193

Institution of Heating and Ventilating Engineers'

Summer Meetings, 621

Preliminary Programme, 621

Institution, Junior, of Engineers :

Commercial Aspect of Foundry Work, J. Wolstenholme, 130

Lifting and Shifting Machinery, C. H. Woodfield, 306

Pipework : Its Manufacture and Lay-out, G. H. Willett, 351

Power Stations in U.S.A, in 1925, Honorary

Member’s Lecture, W. H. Patchell, 224 Tendencies in Modern Electric Practice, J. M.

Seddon, 306

Institution of Mechanical Engineers :

High Efficiency Oil Engine, A. E. L. Chorlton.

360, 364, 394 ; (Letter), 363

Marine Oil Engines Trial Committee’s Report, 65

Measurement of Cutting Temperatures, E. G.

Herbert, 24, 238—see also North-Western Branch

Modern Development of Paper Mill Plant, W. W. Beaumont and Leslie N. Burt, 462, 476

Piston Temperatures and Heat Flow in High-speed Petrol Engines, Professor A. H. Gibson, 122

Summer Meeting at Ipswich, 645

Applications of Engineering to Agriculture, Frank Ay ton, 645, 647

Modern Flour Milling Machinery, Lieub.-Colonel F. W. Turner, 635, 645, 670

Midland Branch :

Joint Meeting on Road Transport, 207 North-Western Branch :

Cutting Temperatures, E. G. Herbert, 225

Marine Oil Engine Trials Committees Report, 134

Some Mechanisms of Textile Machinery, W. A. Hanton, 296

Institution of Mining Engineers :

Scholarship, Travelling Post-Graduate, Offered, 361

Institution of Municipal and County Engineers :

Fifty-third Annual General Meeting and Conference, 506

Meeting in the Scottish District, Programme, 561

Institution of Naval Architects :

Annual Meeting, 349, 379, 405 ; Report, 349 Annual Dinner, 351

Comparative Freight Economics of a Cargo Vessel with Reciprocating and with Diesel Machinery, W. J. Lovett, 380

Crane Equipment of Shipbuilding Berths, Ebenezer Smith, 406

Experiments on Mercantile Ship Models in Waves, J. L. Kent, 381

Experiments upon the Skin Friction of Smooth Surfaces, W. G. A. Perring, 381

High-pressure Water-tube Boilers for Marine

Purposes, Harold Yarrow, 405, 410, 411, 414

Launching Problems, W. J. Berry, 350

Method Used in H.M. Ships for Readily Correcting Heel and Trim, A. W. Cluett, 406

Present Outlook for British Shipbuilding, A. C. F. Henderson, 349, 362

Propeller Dimension Formulae Based on Mr.

R. E. Froude’s Model Screw Experiments, Professor C. M. Carter, 381

Recent Modifications to Water-tube Boilers of the Three-drum Type, Engineer-Captain L. M. Hobbs, 405

Ship Wave Resistance, Comparison of Mathematical Theory with Experimental Results, W. C. S. Wigley, 381

Spring Meetings, Programme, 296

Summer Meeting in Belgium, 588, 660, 672

Belgian Mercantile Marine, Monsieur A. Pierrard, 660

Programme and List of Papers, 588

Relative Efficiency of Turbine and Diesel Machinery, Sir John Biles, 660, 672 Temperature Variation and Heat Stresses in

Diesel Engines, Robert Sulzer, 379, 391

Institution, North-East Coast, of Engineers and Shipbuilders :

High-powered Oil Engines, W. S. Burn, 494 Electric Propulsion of Ships, Eskil Berg, 275 What is Sea Speed ? Reginald J. Eyres, 392

Institution, Royal, of Great Britain :

After-Easter Session :

Friday Evening Discourses, List of Subjects and Speakers, 393

Programme of General Courses of Lectures,

393

ASSOCIATIONS, INSTITUTIONS & SOCIETIES

{continued'):

Institution of Water Engineers :

Manchester Waterworks, 614 Programme, 450

Thirty-first General Meeting, 450, 617

Society, Faraday :

Explosive Reactions in Gaseous Media, General Discussion, List of Papers, 633

Explosive Reactions in Gaseous Media, 656

I. Explosive Reactions, General Considera

tions :

Explosion Wave in Cyanogen Mixtures, Dr. Colin Campbell and Professor H. B. Dixon ; Gaseous Explosions at High Initial Pressures ; Ignition Point of Gases, Professor H. B. Dixon and others ; Ionisation in Gas Explosions, W. E. Garner and S. W. Saunders ; Ionisation and Gaseous Explosions, 8. C. Lind ; Radiation in Gaseous Explosions, Professor W. T. David ; Uniform Movement of Flame, Professor R. V. Wheeler and Dr. W. Payman, 657

II. Explosive Reactions in Reference to Internal Combustion Engines :

Combustion in Gas Engines, Professor W. T. David, 658

Effect of Metallic Sols in Delaying Detonation in Internal Combustion Engines, Flight-Lieutenant C. J. Sims and Dr. E. W. Mardles ; Explosions in Petrol Engines, H. T. Tizard, 658

Society, Newcomen :

John George Bodmer and Mechanical Stoking, David Brownlie, 164

Matthew Murray, G. F. Tyas, 268

Society, Royal:

Conversazione : Archimedian Loculus, Borehole Alignment Indicator, Pendulum Apparatus for Determinations of Gravity, Vibrations of an Autocar Illustration, Compression Tests on Aluminium Crystals, <k c., 633

Society, Royal, of Arts :

Propagation of Electric Waves, J. E. Taylor, 249

Societies, Physical and Optical:

Exhibition, 37

AUTOMATIC Superheating of Steam, 516 Axle-boxes—see Railway Locomotives

Ayton, Frank, Applications of Engineering to Agriculture, 645, 647 ; (Letter), 673

B BAILEY, R. W., Softening of Strain-hardened Metals, &c., 292

Bakery, Large Electrically Driven, Kneaders, Moulders, Conveyors and other Plant, 294, 298

Ballasting—see Railways

Beaumont, W. Worby, and Leslie N. Burt, Modern Development of Paper Mill Plant, 462, 476, 505

Belgium, Freight Rates in, 546

Bending and Torsional Strains and Stresses in a Loaded Crank Shaft, H. Carrington, 520

Benton, W. A., Some Aspects of Friction, 403, 430, 458

Berg, Eskil, Electric Propulsion of Ships, 275

Berry, W. J., Launching Arrangements of

H.M. Ships Nelson and Rodney, 350

Biles, Sir John, Steam versus the Diesel Engine, 660, 672

Birmingham Trade Fair, Extension to, 80

“ Black Spot,” The, 299

Bodmer, John George, and Mechanical Stoking, David Brownlie, 164

Boiler Design, Improvement in, 499 ; (Letter), 530

Boiler, Oil-fired Yarrow Land Type, 274, 275

Boiler, Producer Gas-fired, Wollaston Gas Producers, Ltd., 163

Boiler Tests, Credibility of, 156

Boiler, “ Thermax,” Ruston and Hornsby, Ltd., 248

Boiler Water Conditioning, Dr. R. E. Hall, 223

Boilers, High-pressure Water-tube, for Marine

Purposes, Harold Yarrow, 405, 410, 411, 414, 587

Boilers, Water Capacity of, 611

Boilers, Water-tube, of the Three-drum Type, Recent Modifications to, Engineer-Captain L. M. Hobbs, 405

Bombay, Back Bay Reclamation, 275

Books of Reference, 107, 160, 252, 384, 411, 477, 547, 608, 661

BRIDGES :

Highway, British Standard Unit Loading for, J. M. Liddell, 119

Menai Straits Suspension, Centenary of, 133

New, Over the Thames at Caversham, L. G.

Mouchel and Partners, 656, 666

Oswald-street, Glasgow, Construction of, W.

L. Scott, 62

Reinforced Concrete, Wairoa River, N.Z., 94

Second Narrows, Vancouver, 409

Steel Swing, for Wallasey, Francis Morton and Co., Ltd., 276

BRIDGE Flooring, Special Flanging Press for, Davy Brothers, Ltd., 674

British Cement—see Works

BRITISH ENGINEERING STANDARDS ASSOCIATION :

Specifications :

Corrugated Furnaces and Smoke Tubes for Marine Boilers, 293

Ebonite for Radio Purposes, 95

Genuine Dry White Lead, 351

Genuine White Lead Oil Paste, 351

Painting Materials, 351, 562

Paints, White Spirit for, Turpentine for, Raw Linseed Oil for, 677

Railway Rails, 562

Reflector Fittings for Electric Lighting, 160

Side Scuttles and Frames, 506

Tables of Brinell Hardness Numbers, 562 Vulcanised Fibre and Pressboard for Elec

trical Purposes, 95

BRITISH Railways—see Railways

British Standard Unit Loading for Highway

Bridges, J. M. Liddell, 119

Brittle Ranges of Bronze, W. L. Keat, 318

Britton, S. E., Supplies to Outlying Districts, 635

Brownlie, David, Coal Blending, 628

Brownlie, David, on John George Bodmer and

Mechanical Stoking, 164

Brugg Sub-station—see Railways, Foreign

Burn, W. S., High-powered Oil Engines, 494, 534

c CALENDARS, Diaries, Ac., 27, 53, 83, 111, 197, 456

Calendering—see Linoleum in Subjects Index

Calvert, Dr. H. T., Activated Sludge Process of Sewage Treatment, 267

Canada, Water Power Resources of, 436

Canadian Water Resources, 47

Canal de Castilla Irrigation Schemes, 447

Carnot Centenary, 128

Carpenter, Professor H. C. H., Single Crystals of Metals, 559

Carrington, H., Bending and Torsional Strains and Stresses in a Loaded Crank Shaft, 520

Carter, Professor C. M., Propeller Dimension Formulae Based on Mr. R. E. Fronde’s Model Screw Experiments, 381

Catalogues, 83, 111, 167, 255, 309, 337, 425, 481, 565, 593, 621, 651, 677

Cements, Quick-hardening, 590

Centenary of a Famous Bridge, 133

Chadwick Public Lecture, Sewage Treatment, Activated Sludge Process of, Dr. H. T. Calvert, 267

Chemists and Power Plant Problems, 612

Chorlton, A. E. L., High-efficiency Oil Engine, 360, 364, 394 ; (Letters), 363, 412

Chromium Plating, General Survey of, E. A. Ollard, 212

Cluett, A. W., Method Used in H.M. Ships for Readily Correcting Heel and Trim, 406

COAL, COKE AND COLLIERIES :

Coal Blending, David Brownlie, 628

Coal Commission, 322

Coal and Economies, 556 ; (Letters), 617, 649

Coal Powdering Machine, Atomised Fuel and Engineering Company, 248

Electric Winding Gear at Monceau-Fontaine Colliery, Belgium, 210, 211, 214

Powdered Coal Plant at Dover, Lindley Duffield and Co., Ltd., 319

Report on the Coal Industry, Professor Henry E. Armstrong, 375

Skip Hoisting at Coal Mines, 47

Wages Boards for the Coal Industry, 556

COMPARATIVE Performances of Air Heaters, 668

Concrete—see Bridges, Reinforced, and Steel

Concrete and Steel, Bond Between, 160

Congress of Chemists, Forty-fifth Annual Meeting, Co-operation of Numerous Societies, Programme, 646

Consistency of Steam Tables, 272

Contracts, 27, 57, 86, 111, 140, 167, 197, 230, 252, 278, 309, 337, 372, 425, 453, 481, 509, 540, 568, 596, 624, 651, 677

Contracts Secured by British Firms, 268

Control of the River Scoltenna, 669

Cork Jointing, Works, South Chingford, 271, 27 3

Cork Mills, &c.—See Linoleum

Cornish Mining, 465

Corrosion of an Ancient Tin Specimen, Professor

C. O. Bannister, 346

Crane Equipment-—see Ships

Crane, “ Toplis,” l|-Ton Level Luffing Jib, Bedford Engineering Company, 589

Cranes, Hydraulic Cargo, on the Motor Liner Asturias, Fullerton, Hodgart and Barclav, Ltd., 364

Crank Shaft—see Bending Strains

Creber, W. F. H., Manchester Waterworks, 614

Crow, Dr. T. B., Soft Soldering of Copper, 318 Cruisers—see Ships, Naval

Crystal Growth in Recrystallised Metals, Dr.

W. Feitknecht, 317

Current Prices for Metals and Fuels, 28, 58, 84, 112, 138, 168, 198, 228, 256, 282, 310, 338, 370, 398, 426, 454, 482. 510, 538, 566, 594, 622, 652, 678

Cutting Temperatures, Apparatus for Measurement of, E. G. Herbert, 24, 225, 238, 245 ; (Letters), 276, 296

D -DAVIES, C. E. Sprea ” of Metal in Rolling, 598, 626 6

Dawson, Sir Philip, and Professor S. Parker Smith, on Main Line Railway Electrification, 175

Derrick, Self-slewing, H. Robb, Ltd., 163

Design of Air Heaters, 300

Dickenson, J. H. S., Distribution of Silicates in

Steel Ingots, 602

Die Casting of Aluminium Alloys, 292

Distilling Plant for the Red Sea, Mirrlees

Watson Company, Ltd., 577

Dorey, Edgar Wall, Improvement of Power Factor, 182, 186

ECONOMISER, Future of the, 74 ; (Letters),

Edgeworth, Lieut.-Colonel, Frequency Variations in Thermionic Generators, 70

Education and the Employee, 640

Education in the Gas Industry, F. W. Goodenough, 644

Educational Intelligence, 54, 83, 197, 565

ELECTRICAL MATTERS :

See also Annual Articles

Alternating-current Pressure Regulators, 431 459, 487, 516, 548—For details see Illustrated Index (Electrical Matters)

ELECTRICAL MATTERS (continued):

Alternating-current Switchgear, Brookhurst Switchgear, Ltd., 646, 647

American Switchgear, 192

Arc Welding Plant, Portable, Siemens -Schuckert, Ltd., 562

Automatic Rotary Converter Sub-station, 218

Binary Converter, New Electrical, Mawds-ley’s, Ltd., 503

Birmingham Representative Electrical Goods at the British Industries Fair, 260

Automatic Engine-driven Sub-station Plant, Austin Lighting Company and National Gas Engine Company, 263

Mercury Vapour Rectifier, Hewittic, and Hackbridge Transformer, 260

Model of Electrically Driven Winding Engine, Fraser and Chalmers, 262, 263

Motors in Operation and Component Parts, Electric Welding Appliances, Electro-plating Apparatus, Filtering and Heating Apparatus, &c., 263

Motors, Small, Collection of Varying Sizes, Exhaust Fans, Polishing and Grinding Motors, Manda Motors, Ltd., 261

Oil-break Star-delta Motor Starter, Oil Circuit Breaker, 6600-Volt Starting Gear for Slip-ring Motor, George Ellison, 261 Pirelli Joint for High-pressure Cables, Method of Insulating and of Applying Paper Insulation to, Ferrule for Joining Large Cables, Pirelli General Cable Works, Ltd., 262

Steel Works Motor, General Electric Company, 262, 263

Transformer, 110,000-Volt, English Electric Company, 261

Trucks, Elevating Platform, Electricars, Ltd., 260

Cleaning Blast-furnace Gases by Electricity, 588

Comparison of Power Stations, 387

10,000-Kilowatt Diesel Generator Set, Blohm und Voss and Siemens and Schuckert, 662 Electrical Distribution System at Hawarden Bridge Steel Works, 610, 613

Electric Hydraulic Steering Gear, Dr. Hele-Shaw and T. E. Beacham, 506

Electric Motor Starting and Protection, 532

Electric Storage Battery Locomotive Competition, 673

Electric Traverser and Grab for Bar Shearing Machine, Craven Brothers, Ltd., 104, 105

Electricity in the Home, 354

Electricity in Mmes, 444

Electricity Supply, 104, 327 ; (Letter), 384

Exhibits, Various, at the Physical and Optical

Societies’ Exhibition, 38

Extensions to Lots-road Power Station, 273 Fuse, Improved Electric, tfie “ Aeroflex,” 366 Heat Transmission Aspect of a Power Station, 416

High-frequency Fatigue Tests, 434

High-voltage Direct-current Testing Equipments, 658

Induction Regulators—see Alternating Current

Industrial Electric Heating, A. P. M.

Fleming and J. H. Crossley, 669

Langerbrugge Power Station, 570, 582 (Two page Supplement, June 4th, 1926)

Locomotives—see also Railway Locomotives Manchester Electricity Supply, 664 Measuring Small Fluid Pressures, An Electrical Method, H. A. Thomas, 88

Midgebat Power Station, Midi Railway, 376, 378

Monceau-Fontaine Colliery, Belgium, Electric Winding Gear at, 210, 211, 214

Motor Generators for the Rugby Wireless Station, British Thomson-Houston Company, Ltd., 40

Ontario, Electric Power for, 580

Operating Costs of Electric Battery Vehicles, C. W. Marshall, 668

Petrol-electric Generator for Rail Car, 361

Power Factor, Improvement of, Edgar Wall Dorey, 182, 186

Propagation of Electric Waves, J. E. Taylor, 249

Railways —see Railways

Rating of Generating Plant, 333

Shanghai, Electric Power in, 587

Ships, Electric Propulsion of, Eskil Berg, 275

Showrooms and Offices, Electrical, Metropolitan-Vickers Electrical Company, 464 Small Electric Lighting Sets, Austin Lighting Company, Chloride Electrical Storage Company, Crossley Brothers, Ltd., 206, 207 Supplies to Outlying Districts, S. E. Britton, 635

Testing Static Transformers, Lindley Thompson and H. Walmsley, 158

Tests of Turbo-generator Sets, 603

Trolley Omnibuses at Ipswich, Ransomes, Sims and Jefferies, 493

Water Power for the Paris-Orleans Railway Electrification, 584

Windmills for Generation of Electricity, 586 Wireless Matters—see Wireless Telegraphy ; also Annual Articles

ELECTROMETER, Compton, Cambridge Instrument Company, 38

Electro-pneumatic Power Hammer, 30-Cwt., B. and S. Massey, Ltd., 533

ENGINES AND MOTORS :

See also Annual Articles

American Marine Oil Engine Trials, 477

Asturias, R.M.P.S. Motor Liner, Engines of, Harland and Wolff, Ltd., 14, 17, 18, 79 240, 244

Cold-starting Two-stroke Oil Engines, Babcock and Wilcox, Ltd., 247

Comparative Freight Economies of a Cargo Vessel with Reciprocating and with Diesel Machinery, W. J. Lovett, 380

Diesel Engine, 15,000 B.H.P. and 10,000-

Kilowatt Three-phase Generator, Blohm and Voss, 662

Double-acting Four-stroke Marine Oil Engine, 4000 B.H.P., North-Eastern Marine Engineering Company, Ltd., 554, 558, 559

Double-acting Two-cycle Marine Oil Engine, Richardsons, Westgarth and Co., Ltd., 494

ENGINES AND MOTORS {continued) :

Eight-cylinder Marine Oil Engine, Parsons Motor Company, Ltd., 447

Gas Oil for Petrol Engines, Parsons Motor Company, Ltd., 412

High-efficiency Oil Engine, A. E. L. Chorlton, 360, 364, 394 ; (Letters), 363, 412

High-powered Oil Engines, W. S. Burn, 494, 534

Horizontal 31 B.H.P. Oil Engine, 3 B.H.P. Enclosed Paraffin Engine with Dynamo, &c., for $ to 1| Kilowatts Lighting Set; Single-cylinder Two-stroke Oil Engine with Scavenging Pump, Crossley Brothers, Ltd., 207

Horizontal 66 H.P. Heavy Oil Engine, National Gas Engine Company, Ltd.; Small Lighting Sets, Austin Lighting Company and National Gas Engine Company, Ltd., 206

Industrial Tests of Internal Combustion Engines, W. A. Tookey, 437

Inertia Governor, A New, Ramsay, Jackson and Co., Ltd., 419

Links in the History of the Steam Engine, 402 M.A.N. Double-acting Marine Oil Engine,

352, 353, 356, 382

Marine Oil Engines Trials Committee, Third Report, 65, 134 ; Extracts from Fourth Report, 576

Marine Reverse Gear, Improved, Langdon Engineering Company (1924), Ltd., 616

Nobel Oil Engine, P. H. Wilson, 324

600 B.H.P. Oil Engine at Basingstoke, Mirrlees, Bickerton and Day, Ltd., 158 ; (Addendum), 197

Oil Engine, 130 B.H.P., Ruston and Hornsby, Ltd., 248

Oil Engines, Fielding and Platt, Ltd., 247

Oil Engines, 100 B.H.P. and 5 B.H.P. with

Special Fuel Oil Injection, Blackstone Company, Ltd., 207

Petrol Engines, High-speed, Piston Temperatures and Heat Flow in, Professor A. H. Gibson, 122, 148

Petters, Ltd., Twin-cylinder Marine and other Engines, 247

Portable Steam Engines at Brussels Exhibition, 242

Six-cylinder Heavy Oil Engine, 300 B.H.P., L. Gardner and Sons, Ltd., 422

Steam versus the Diesel Engine, Sir John Biles, 660, 672

Tangyes Oil Engines, 247

Temperature Variation and Heat Stresses in Diesel Engines, Robert Sulzer, 379, 391,

420

Triple - expansion Waterworks Pumping Engine, Hathorn, Davey and Co., Ltd., 438, 439

15,000 B.H.P. Two-cycle Double-acting Diesel Engine, Blohm and Voss, 134

Two-stroke Crude Oil Engine, Crossley Brothers, Ltd., 108

Vickers-Petters 100 H.P. Oil Engine, 247

Werkspoor Marine Oil Engine, 193

ENGINE-ROOM—see Ships, Naval Matters

Engineering in America and Great Britain, 127 ;

(Letter), 152

Engineering, Naval—see Ships, Naval Matters Engineering Plant at Olympia, 491

A.C.E. Cube and other Concrete Mixers, “ Tonkin ” Mixer for Concrete and other Material, Australia Concrete Machinery Company, 492

“ Cling Surface ” for Belt Dressing, Thomas and Bishop, Ltd., 493

Combined Screening and Crushing Plant, Concrete Block-making and Mixing Machinery, Winget, Ltd., 491

Concrete Mixer “ Roll,” the “ Exe ” Hoist Builders and Contractors’ Plant, Ltd., 491

Concrete Mixers, John Fowler and Co. (Leeds),

Ltd., 491

Hydraulic Block and Brick Moulding Machine, Edge-runner Mortar Mill, Stothert and Pitt, Ltd., 493

“ Klippon ” Scaffolding Bracket, P. E.

Helme and Co., 492

Scaffolding, Tubular, Scaffix Scaffolding Ties, “ Conforms ” Steel Shuttering, &c., Scaffolding (Great Britain), Ltd., 493

Sewage Purification Plant, Tuke and Bell, 492

Tubes, Brass and Copper, Yorkshire Copper Works, Ltd., 492

Window Frames, Variety of, from Standardised Units, John T. Beacon Windows, Ltd, 492

Esholt Sewage Works, New, Opening of, 530 Excavator, Oil-engine Driven Dragline, Ruston

and Hornsby, Ltd., 418, 419

EXHIBITIONS :

Agricultural Machinery at Brussels Exhibition, 242

British Industries Fair, London and Bir

mingham, 80, 205, 247, 260

Building Exhibition at Olympia, 472, 491

Electrical Exhibition at Osaka, 412

International Foundry Trades Exhibition, 630

International Road Congress and Exhibition, 494

Leipzig, Technical Fair at, 286

Paris Industrial Fair, 557

Physical and Optical Societies’ Exhibition, 37 ; for Exhibits, see Various Headings.

EXPERIMENTS upon the Skin Friction of Smooth Surfaces, W. G. A. Perring, 381

Experiments—see also Ships

Explosive Reactions in Gaseous Media. For List of Papers, see Associations, &c., Society Faraday

Eyres, Reginald J., What is Sea Speed ? 392

F FACTORY—see Works

Fairs—see Exhibitions

Feed Water—see Rail-way Locomotives

Feitknecht, Dr. W.» Crystal Growth in Re

crystallised Metals, 317

Finance and Industry in France, 417

Firefloat, a Motor, Merry weather and Sons, 192

Fish-plates—see Railways

Flanging Press for Bridge Flooring, Davy Brothers, Ltd., 674

Fleming, A. P. M., and J. H. Crossley, Industrial Electric Heating, 669

Flour-milling Machinery, Lieut.-Colonel F. W Turner, 635, 645, 670

Flow of Water through Soil, 315

Fluctuations in Prices—see Annual Articles

Forthcoming Engagements, 30, 60, 86, 114 140, 170, 200, 230, 258, 284, 312, 340, 372’ 400, 428, 456, 484, 512, 540, 568, 596, 624’ 654, 680

Founder of Technical Education, 70

FOUNDRY EXHIBITS AT THE ROYAL

AGRICULTURAL HALL :

630

Air Compressors, Broom and Wade, 633

Core-making Oils, Spermoline, Ltd., Beecroft and Partners, 632, 633

Cupola Construction, Internationa’. Foundry Equipment Company, Pneu’.ec Machine Company, 633

Foundry Sand-preparing Machine, T. Ketin and R. Thiriart, 631

High-speed Moulding Machine, Sand Sifter, and Sand Mill, Universal System of, Machine Moulding Company, 631, 632

Jolt Moulding Machine, Hand-operated, Denbigh Engineering Company, 632

List of other Exhibitors, 633

Magnetic Separator, Rapid Magnetting Company, 631, 632

Mill for Mixing Sea Sand and Oil for Coremaking, Fordath Engineering Company 633

National Physical Laboratory Exhibits, 630

Pneumatic Sand Sifter, Britannia Foundry Company, 631

Spark Arrester, Pneulee Machine Company, 632, 633

X-ray Examination of Metals, 630

FREIGHT Rates in Belgium, 546

FRENCH ENGINEERING NOTES :

29, 59, 85, 113, 139, 169, 199, 229, 257, 283

311, 339, 371, 399, 427, 455, 483, 51], 539’

567, 595, 62-3, 653, 679

Advancing Costs, 113

Advancing Prices, 455

Agricultural Engineering, 455

Alpine Railway, 113

Automatic Couplings, 139

Aviation, 623

Brest-Casablanca Cable, 595

Case-hardening, 483

Cham bon Barrage, 595

Cheap Fuels, 679

Coal, 679

Coal Production, 85, 229

Coal Strikes, 483

Colliery Industry, 427

Colonial Works, 29, 311

Concrete Piling, 199

Continuous Brakes, 199, 653

Credit Restrictions, 283

Currency Depreciation, 399

Electric Vehicles, 567

Electrical Ploughing, 371

Electricity on the Farm, 371

Electricity Tariffs, 427

European Commercial League, 311

Export Trade, 595

Ferry Boats, 229

Floating Docks, 229

Flood Protection, 59, 139

Foreign Trade, 139, 257, 399

French Navy, 257

Fuel Economies, 283

Higher Import Duties, 169

Hydraulic Works, 567

Hydro-electric Plants, 595

Import Duties, 283 *

Import Tariffs, 399

Industrial Burdens, 169

International Steel Union, 567, 623

Iron and Steel Production, 199

Iron and Steel Trades, 339

Joy Stick, 59

Miners’ Wages, 139

Moto? Cars, 199

Motor Fuels, 311,. 455

Narrow-gauge Railways, 511

Naval Air Force, 169

Oil Borings, 539

Paris Sewage, 623, 653

Paris Water Supply, 455

Pig Iron Production, 539

Port of Nantes, 311

Port of Rouen, 257

Power Alcohol, 113

Production Costs, 85

Public Works, 679

Rail Motors, 85

Rail Union, 29, 339, 427, 539

Railway Accident, 59

Railway Progress, 511

Railway Rates, 399

Reparations and Public Works, 539

Rhine Canal, 653

Rhine-Rhone Canal, 511

Rove Tunnel, 29, 623

Russian Trade, 483

Saigon Arsenal, 85

Scrap Iron, 113

Seaborne Traffic, 339

Seaplane Trials, 283

Selling Prices, 483

Shipbuilding, 113, 229

Shipping, 339

Strikes in Belgium, 29

Suburban Traffic, 169

Tank Steamer, 539

The Situation, 511

Trade Future, 257

Trade Outlook, 59, 567

Trade Restrictions, 653

Transalpine Railway, 59

Tunnel Ventilation, 427

Tunnelling the Vosges, 139

Wages and Production, 595

FREQUENCY Variations, &c.—see Wireless 1 elegraphy

'Fr^AOr!’JOme AsP°('ts °f, w. A. Benton, 403, 430, 458

Fuel Distributing Gear’ Ruston and Hornsby, -L-J LCL. 9 vUo

Fue! Research, Report on the Coal Industry, Professor Henry E. Armstrong, 524

Fuel Technology, 333

Furnace Production, Requirements for, Metal

• or Mineral, Gas-fire Hardening Shop, Gibbons Brothers, 248

Furnaces and Combustion, 102 ; (Letter), 123

Furnaces, Gas-fired, Incandescent Heat Company, Ltd., 248

Fuse—see Electrical Matters

G GAS Industry, Education in the, F. W. Goodenough, 644

Gas Oil for Petrol Engines, Parsons Motor Company, Ltd., 412

Gases at High Temperatures, Influence of, A.

Glynne Lobley and Douglas Jepson, 318

Gasworks Structures, Electrically Welded, J. Newell Reeson, 252

Gear Shaper, Super-accurate Production of Spur Gears on the Gear Shaper, H. Walker, 316

Gear, Toothless, Garrard Gears, Ltd., 304

Gearing—see Involute

Gearing, Hydro-mechanical—see Ships

Genders, R., Macrostructure of Cast Metals, 317

General Strike, 527

Geological Congress at Madrid, 78

German Steel and Coal Trust, A New, 382

Gibson, Professor A. H., on Piston Temperatures and Heat Flow in High-speed Petrol Engines, 122, 148

Goggles, Protective Effect of, J. and R. Fleming, Ltd., 251

I Good, E. T., World Steel Trade and Britain’s Share, 149

I Goodenough, F. W., Education in the Gas Industry, 644

i Greaves, R. H., and J. A. J ones, Tensile Strength and Brinell Numbers, 630

H HALL, Dr. R. E., on Boiler Water Conditioning, 233

Hally, George, Electric Train Testing on the Metropolitan Railway, 514, 542

[Hammer, Power, 30-Cwt. Electro-pneumatic,

B. and S. Massey, Ltd., 533

Harbour and Dock Engineering, Development of, Vernon-Harcourt Lecture, Sir C. Kirkpatrick, 24

Harvey, William, Traditional Architectural Forms and their Structural Efficiency, 374

Heat Transmission—see Electrical Matters

Henderson, A. C. F., Outlook for Shipbuilding, 349, 362

Herbert, E. G., Apparatus for Measurement of Cutting Temperatures, 24, 225, 238, 245 ; (Letters), 276, 296

Heterogeneity, &c.—see Iron and Steel, Report on

High Efficiency-^—see Engines

Highway Bridges—see Bridges

Hill, Captain G. T. R., Tailless Aeroplane, 463, 498, 501

Hobbs, Engineer-Captain L. M., Recent Modifications to Water-tube Boilers of the Three-drum Type, 405

Hume-Rothery, W., Intermetallic Compounds, 345

Hydraulic Cargo Cranes on the Motor Liner Asturias, Fullerton, Hodgart and Barclay, Ltd., 364

Hydraulic Developments of the Midi Railway in the Ossau Valley, 376

Hydraulic Governor, A New, Percy Pitman, 191

Hydraulic Press, Double-action, Wm. Grice and Sons, 450

Hydraulic Works in Sao Paulo, 334

Hydro-electric Progress in Canada during 1925, 223

Hydro-electric Supply, Swiss, Alfred R. .Sieveking, 519

Hydro-mechanical Gear—see Ships

I ILLUMINATION and Photometry, Glossary of Terms Used in, 79

India, Reinforced Concrete Retaining Walls in, 390

Indian Irrigation, 1921-1924, 388, 402

Industrial Locomotives, Societe John Cockerill, 532

Industry and Trade, 390

Institutes and Institutions—see Associations

Instruments, Various, at the Physical and

Optical Societies’ Exhibition, 38

Internal Combustion Engines—see Engines

Intermetallic Compounds, Researches on the

Nature, Properties, &c., of, W. Hume-Rothery, 345

International Geological Congress, 78

International Road Congress and Exhibition, 494

International Shipping Conference, 468 International Tests—see Aeronautics

Involute Internal Gearing, H. Walker, 146, 172

IRON AND STEEL :

“ Bond between Concrete and Steel,” 160

British Steel, 583

Cleaning Blast-furnace Gases by Electricity, 588

Continental Production of Iron, 369

German Iron and Steel Production in 1925, 157

Hardening and Tempering of High-speed Steel, A. R. Page, 630

Hardness of Carbon Steels at High Temperatures, I. G. Slater and T. H. Turner, 629

International Iron and Steel Agreements, 408

Iron and Steel Production in 1925, 95

Light Alloys or Steel ? 528

Mass, Effect of, in the Heat Treatment of Nickel Steel, Dr. W. Rosenhain and Others, 628

Nickel-Copper Alloy, H. J. Tapsell and J. Bradley, 346

Past and Future of the Steel Industry, Sir W. P. Rylands, 574, 583

Quenching, 216

Report on the Heterogeneity of Steel Ingots, 601

IRON AND STEEL (continued):

Safe Loads and Endurance of Steels under

Repeated Bending Stresses, 130

Sandviken, Steel Strip Rolling at, 466, 470

Silicates and Steel Ingots, J. H. S. Dickenson, 602

Some Special Steels, Hadfields, Ltd., 407

Steel Rails Production in America, 504

Tensile Strength and Brinell Numbers, R. H.

Greaves and J. A. Jones, 630

Ukrainian Iron and Steel Industry, Development of, 412

United Steel Companies’ Works, Tar-distilling Plant, W. C. Holmes and Co., 68, 72 World Steel Trade and Britain’s Share, E. T.

Good, 149

IRRIGATION—see also Indian

Irrigation Schemes, Canal de Castilla, 447

Irrigation Works, Van Ryneveld’s Pass, 54 Italy, Water Power in, 98

J JOHNSTON, E. W., Lubricating Oils for Heavy

Oil Engines, 615

Jubilee of the Telephone, 636

Jutland, Battle of, 545

Jutland, Lessons of, 555

K KENT, J. L., Experiments on Mercantile

Ship Models in Waves, 381

Kent, W. L., Brittle Ranges of Bronze, 318

Kershaw, John B. C., Air Pollution in English

Towns and Cities, 433 ; (Letter), 580

L LANGERBRUGGE—see Electrical Matters

Launches and Trial Trips, 54, 83, 137, 197, 309, 425, 509, 593, 621, 654

Lawn Mower, Motor-driven, Dennis Brothers, 248

LEADERS.

1925—A Retrospect of, 15

Aeroplane and the Car, 16

Civil Engineering, 16

Education, 16

Industry, 16

Locomotives, 16

Marine Engineering, 15

Adhesives, 500

Agricultural Engineering, 128

All-steel Passenger Rolling Stock, 472

“ Black Spot,” The, 299

British Steel, 583

Chemists and Power Plant Problems, 612

Coal and Economics, 556

Comparative Performances of Air Heaters, 668

Comparison of Power Stations, 387

Credibility of Boiler Tests, 156

Cutting Temperatures, 245

Design of Air Heaters, 300

Dreadnought Anniversary, 155

Education and the Employee, 639

Electricity in Mines, 444

Electricity Supply, 101, 327

Engineering in America and Great Britain, 127

Foreigrer on British Railways, 388

French Navy, 471

Furnaces and Combustion, 102

Future of the Economiser, 74

General Strike, 527

Heat Transmission Aspect of a Power Station, 416

Improvement in Boiler Design, 499

Lessons of Jutland, 555

Liberty of the Subject, 583

Light Alloys or Steel ? 528

Limiting Stresses, 472

Metallurgical Education, 45

Misunderstandings about Steam, 185

Naval Construction, 443

Naval Engineers, 499

Navy Estimates, 271

New Cruisers, 215

Power Factor, 186

Privately-owned Railway Wagon, 415

Quenching, 216

Railway Gear, 358

Rebuilding the German Navy, 639

Royal Naval Engineer Officers, 328

Sixty Years Ago and To-day, 45

Status of Naval Engineer Officers, 357

“ The Engine-room Department Never Fails,” 667

Too Many Institutions ? 272

Torsionmeters, 73

Variety in Design, 246

Wages Boards for the Coal Industry, 556

Water Capacity of Boilers, 611

LEATHER for Belting, Chrome-tanned Heat Resisting, &c., Henry Beakbane, 249

Leipzig, Technical Fair at, 286

LETTERS FROM OUR OWN CORRESPONDENTS :

England, North of, 26, 56, 82, 110, 136, 166, 196, 227, 254, 280, 308, 336, 368, 397, 424, 452, 480, 508, 536, 564, 592, 620, 650, 676

Lancashire, 25, 54, 83, 109, 135, 166, 195, 225, 253, 279, 307, 335, 367, 395, 423, 451, 479, 507, 535, 563, 591, 619, 649, 676

Midlands and Staffordshire, 25, 54, 81, 109, 135, 165, 195, 225, 253, 279, 307, 335, 367, 395, 423, 451, 479, 507, 534, 563, 591, 619, 649, 675

Scotland, 27, 57. 82, 111, 137, 167, 196, 227, 255, 28], 308, 337, 369, 397, 425, 453, 481, 509, 537, 564, 592, 621, 651, 677

Sheffield, 26, 56, 81, 110, 136, 165, 196, 226, 254, 280, 308, 336, 368, 396, 424, 452, 480, 508, 536, 564, 592, 620, 650, 676

Wales and Adjoining Counties. 27, 57, 82, 111, 137, 167, 197, 227, 255, 281, 309, 337, 369, 397, 425, 453, 481, 509, 537, 565, 593, 621, 651, 677

LETTERS TO THE EDITOR :

Air Pollution, J. K. Best, 580 ; John B. C. Kershaw, 580

Bats versus Mosquitoes, Henry Home, 617

Boiler Design, Improvements in, H. Loftier, 530 ; G. R. Crammond, 580

British Imports, Exports and Employment, W. T. Hudson, 123

British Industries Fair, A. L. Johnson, 363

British Locomotives, 1825 -1924 : No. XLIL, E. L. Ahrons, 42 ; John Poole, 9

Business Situation in England, W. E. Bailey 124

Choice of Steels for Engineering Work, J Mohn, 251 ; A. P. Hague, 384

Coal and Economics, J. Golder, 617 ; Arthur Oates, 649

Combustion Chambers for Pulverised Coal, Leonard Harvey, 123

Commercial Airship. S. H. Phillips, 296

Concrete Roads, W. A. Trevor Taylor, 363

Consistency of Steam Tables, E. B. Wedmore 334

Culture—see Training

Cutting Temperatures, Edward G. Herbert, 276 ; Charles R. Darling, 296

Ea' ly Steam Power in Agriculture, W. Worby Beaumont, 673

Electric Vehicles Association, J. C. Elvy, 80

Electricity Supply, J. F. Raggett, 384

Empire Trade Expansion, Colonial Trade, 42

Engineering in America and Great Britain, Bertram Austin, 152 ; W. Francis Lloyd, 152

Engineering Foundation, E. Kilburn Scott 412

Foreign Tool Steel, Safety First, 251

Future of the Economiser, George Tansley, 95 ; A. I. Mieville, 152

Gyratory Traffic, A. S. E. Ackermann, 580

High-efficiency Oil Engine, S. F. C., 363

Improved Steam Turbines, Daniel Adamson, 124

Institution of Fuel Technology, Leonard Harvey, 334

Jacob Perkins’ Engineering Works “To Let,” C. R. K., 363

Lancashire Boiler, An Old, Wilson Boilermakers, Ltd., 124

Limiting Factor, Stanley P. Christie, 412

Locomotive Design, Charles J. Toth, 334

Mercury Vapour Rectifiers, Hewittic Electric Company, Ltd., 80

Microscopic Analysis of Fino Grits, J. S. Owens, 80

Motor Trains, Wm. Hy. Robson, 531

Petrol Engine Conversion, Patrick Gay, 251 ;

Parsons Motor Company, 296

Power Station Design, A. L. Masterman, 222

Road Corrugations, Alfred Weale, 9 : Thos.

H. Webster, 42

Starting-up Steam Plants, H. D., 465, 531 ;

A. Fleming Browne, 531

Steam Locomotive, F. W. Dean, 95

Super-accuracy, A. F. A., 384

The Two James and the Two Stephensons, A. M. H. Solomon, 668

Ton-miles and Piston Valves, J. G. H. Warren 80

Torsion Meters, Geo. T. Pardoe, 95 ; Kelvin, Bottomley and Baird, Ltd., 222

Training of Engineers, C. L. Bryant, 222, 334 (with Editorial Note) ; John D. Troup, 277 ; Hugh P. Vowles, 277 ;

E. E. Simpson, 277 ; R. Opie, 296

Unpublished Letter bv William James,

S. J. A. Cotterell, 617

Water-cooled Combustion Chambers, P. V. Vernon, 530

Waterloo Bridge, E. W. Dickinson, 95 ;

O. B. I. T., 465

Whirling Speeds of Drum Rotors, P. Fearn, 222 ; T. M. Naylor, 277

LIBERTY of the Subject, 583

| Liddell, J. M., on British Standard Unit Loading for Highway Bridges, 119

Light Alloys—see Alloys

Limiting Stresses, 472

LINOLEUM MACHINERY :

90, 116, 150, 180, 202, 232

Calendering, &c., 150

Cement, The, 90

Cork Grinding, 116

Inlaid Linoleum, 180

Inlaid and Printed Linoleum, 202

Mixing, 116

Paint Making, 232

Printed Linoleum, 203

For Details—see Illustrations, Names and Subjects

LITERATURE :

Reviews :

Applied Elasticity, S. Timoshenko and J. M. Lessells, 417

Bats, Mosquitoes and Dollars, 156 ; (Letter), 617

Beitrage zur Geschichte der Technik und Industrie, 1925, Conrad Matschoss, 103, 187

Chemistry of the Drying Oils, R. S. Morrell and H. R. Wood, Volatile Solvents and Thinners, Noel Heaton, 473

Economics of Carburetting and Manifolding,

R. W. A. Brewer, 359

English Brass and Copper Industries to 1800, H. Hamilton, 301, 444

Geschicte des Eisens, Dr. Otto Johannsen, 39

Industrial Applications of Coal Tar Products, H. M. Banbury and A. Davidson, 445

Oil and Colour Chemistry Monographs : Cellulose Ester Varnishes, F. Sproxton, Blacks and Pitches, H. M. Langton, 103

Oilfield Exploration and Development, A.

Beeby Thompson, 102

Railway Accidents, Legislation and Statistics, 1825-1924, H. Raynar Wilson, 74

Smoke Problem of Great Cities, Sir Napier Shaw and J. S. Owens, 246

Some Reminiscences: Seventy-five Years’ Work in Civil Engineering, Professor H. Adams, 216

The Engineer and the Prevention of Malaria, Henry Home, 585

Transmission Circuits for Telephone Communication, K. S. Johnson, 103

LITERATURE {continued):

Short Notices :

Disease of Unemployment and the Cure Sir E. W. Petter, 39, 157

Electrical Precipitation, Sir Oliver Lodge, 103

Fuel Economy and Smoke Prevention, J. B.

C. Kershaw, 501

Fuel Oil Viscosity-Temperature Diagram, Lieut.-Commander G. B. Vroom, U.S. Navy, 417

Industrial Furnaces, W. Trinks, 417

Insulated Electric Cables, Vol. I., C. J.

Beaver, 39

Loud Speakers, C. M. R. Balbi, 473

Materials Testing : Theory and Practice,

J. H. Cowdrey and R. G. Adams, 124, 389

Modern Railway Signalling, M. G. Tweedie and T. S. Lascelles, 501

Oscillographs, J. T. Irwin, 39

Photo-electricity, Stanley Allen, 39

Practical D.C. Armature Winding, L. Wolli-son, 39

Practical Road Engineering, H. E. Goldsmith, 216

Practical Surveying, G. W. Usill, 246, 445

“ Proceedings ” of the Fourth International

Congress of Refrigeration, 216

Processes of Flour Manufacture, Percy A.

Amos, 157

Pyrometers, Ezer Griffiths, 246, 389

Science of Flight and its Practical Application, Vol. I., Captain P. H. Sumner, 473

Surveying for Settlers, W. Crossley, 473 Waterworks Administration, W. H. Parsons, 301, 445

Books Received :

Advertisers’ ABC, 1926, T. B. Browne Ltd., 557

Annales des Ponts et ChaussGes, 585

Annales des Travaux Publics de Belgique, 473

Annftli dei Lavori Pubblici gia°Giornale del Genio Civile, 74, 216, 473, 557, 669

Annual Report of the Society of Chemical Industry, &c., 669

Appareillage Electrique, P. Maurer, 557

Association of British Engineers in the

Argentine Republic, Journal, 1925, 473

Ayrton, Hertha, 1854-1923, Evelyn Sharp,

Beitrag zu den Grundlagen der Schnellsu-fenden Halbdieselmotoren, Dr.-Ing. Karl Buchner, 301

“ Bennis ” Standard Evaporation Tables, G. A. Rossetti, 103

Birmingham Exchange Directory of Members, &c., 633

Book of the Light Car, E. T. Brown, 389

British Malaya, Handbook to, 1926, Captain

R. L. German, 612

Bulk Cargoes, A. C. Hardy, 557

Bulletin of the Imperial Institute, Vol. XXIV., No. 1, 1926, 669

Culvert’s Mechanics’ Almanac, 1926, F.

Nasmith, 39

Carburation et Carburateurs, L. Poincare 246

Cargo Handling at Ports, Brysson Cunningham, 585

Central Electric Stations in Canada, 557

Centrifugal Dryers and Separators, E. A.

Alliott, 301

Chemical Engineering and Chemical Catalogue, D. M. Newitt, 389

Coal and Ash-handling Plant, J. D. Troup,

Colliery Manager’s Pocket-book, 103

Colliery Year Book, &c., 417

Combustibles InfGriours et de Remplace-ment, Pierre Appell, 557

Combustion in Power Plant, T. A. Marsh, 389

Composition of Coal : Plant Cuticles in Coal, Safety in Mines Research Board, V. H. Legg and R. V. Wheeler, 124

Concrete Year Book, O. Faber and H. L.

Childe, 103

Corrosion: Causes and Prevention, F. N.

Speller, 669

Cours de Thermodynamique, G. Bruhat, 359

Das Deutsche Warenzeichenrecht, Dr. W.

Pinzger and Dr. F. Heinemann, 389

Der Behalterbau, Part I., E. Broschat, 669

Dictionary of Applied Chemistry, Vol. VI.,

S. Acid-Tetryl, Sir Edward Thorpe, 359

Dictionary of Costing, R. H. J. Ryall, 557

Die Entwickelung des Dieselmaschine, Professor R. Schottler, 359

Die Erfindung der Lokomotive und ihre Entwicklung in Oesterreich, Ing. F. X. Saurau, 301

Die Technische Mechanik, Vol. II., Festig-heitslehre, M. Samter, 301

Diesel Maschinen, Vol. IL, 39

Draught and Capacity of Chimneys, J. G.

Mingle, 216

Eclairage Electrique, P. Maurer, 103

Electrical Contracting, H. Ayres Purdie, 669

Electricity, Applied, S. Timoshenko and

J. M. Lessells, 246

Elementary Electrical Training, O. R.

Randall, 473

Elements of Motor Vehicle Design, C. T. B.

Donkin, 669

Elements of Reinforced Concrete Design, H. V. Crabtree, 157

Engineering Index, 1925, 585

Engineers’ Year Book for 1926, 473

Engines of High Output, H. R. Ricardo, 301

English Clubs, A List of, 1926, E. C. Austen

Leigh, 301

Enlarged Heat Drop Tables, H. Moss and

Professor H. L. Callendar, 246

Experiment to Determine Corrections to Sounding in River Gauging, P. Phillips, 216

Fuel Oil Viscosity-temperature Diagram, Lieut.-Commander G. B. Vroom, 473

Gas Engineers’ Pocket-book, H. O’Connor, 557

Gas and Fuel Analysis for Engineers, A. H. Gill, 585

Gayer’s Acreage Tables, A. F. Gayer, 473

Handbuch der Schiffbau Industrie, Deutsche Wirtschafts Biicherei, 301

H.M. Stationery Office Publications :

Condor Engine, Series III., 417

Hydrology and Ground Water, J. M. Lacy, 473

Military Engineering, Vol. I., Mechanical Engineering, 359

LITERATURE (continued):

Books Received (continued):

H.M. Stationery Office Publications (continued) :

Reports, Economic and Industrial Conditions :

Argentine Republic, H. O. Chalkley, 246

Belgium and Grand Duchy of Luxemburg, Economic Situation in, J. Picton Bagge, 58

Food Investigation Board, 1924, 124

France, J. R. Cahill, 39

India, T. M. Ainscough, 103

Morocco, Algeria, Tunisia, Cyrenaica, 103

Paraguay, F. W. Paris, 157

Venezuela, H. A. Hobson, 124

Water Transport Catalogue of the Science

Museum, 557

Hiitte Taschenbuch der Stoffkunde, Dr.-Ing.

A. Stauch, 246

Hydraulics : Gauging of Sewage Flows, &c.,

T. Barlow, 359

“ Ice and Cold Storage ” Trades Directory, 103

If I were a Labour Leader 1 Ernest J. P.

Benn, 669

Illustrated Technical Dictionaries, Weaving and Woven Fabrics, A. Schlomann, 301 Industrial Arts Index, H. W. Wilson Company, 633

Industrial Furnaces, Vol. II., W. Trinks, 389

International Review of the Science and

Practice of Agriculture, 557

Journal of the Institute of Metals, G. Shaw

Scott, 216

Kelly’s Directory of the Merchants, Manufacturers and Shippers of the World, 669

Laboratory Experiments for the Engineering Student, H. Threfall, 157

Law Relating to Injuries to Workmen, F. G.

Neave, 669

L’Enseignement Technique, Bulletin

Mensuel, &c., 301, 557

Les Moteurs a Explosion, E. Marcotte, 557

Les Progres de la Fonderie : Moulage et Fusion, C. Derulle, 669

Locomotive Superheating and Feed-water i

Heating, 557

Locks and Lockmaking, F. J. Butler, 669

Marine Oil Engine, Questions for B.O.T.

Examinations on, W. C. MacGibbon, 246

Mass Production Equipment, P. Gates, 103

Mathematics for Engineers, Parts I. and II.,

W. N. Rose, 473

Mechanical Draught, J. E. Lister and C.

Harman Harris, 669

Mechanical World Electrical Pocket-book, 157

Metal Spraying, T. H. Turner and N. F.

Budgen, 301

Mines, The (Working Facilities and Support Act, 1923), 246

Ministry of Public Works, Egypt, Lake Plateau Basin of the Nile, Dr. FI. E. Hurst, 39

Modern Drying Machinery, H. B. Cronshaw, 301

Modern Telpherage and Ropeways, Herbert

Blyth, 669

Motor Boat and Marine Motor Annual, 557

Motor Ship Reference Book, 1926, 301

Original Book of the Ford, R. T. Nicholson, 669

Ouroboros or the Mechanical Extension of

Mankind, Garet Garrett, 557

Outbreaks of Fire, Sydney Gompertz, 669

People’s Year Book, 1926, 39

Piasterwork Construction, G. P. and G. E.,

Blankart, 301

Portland Cement and Concrete, Making and

Testing of, 557

Powering of Ships, T. C. Tobin, 557

Practical Electricians Pocket Book, 157

Practical Engineer ” Electrical Pocket

Book, 1926, Conrad Arnold, 124

“ Practical Engineer ” Mechanical Pocket Book, 103

Practical Lessons in Carpentrv and Joinery,

G. Ellis, 669

Practical Marine Diesel Engineering, L. R.

Ford, 103

Practical Saw Doctor, R. W. Todd, 301

Principles of Electric Power Transmission and Distribution, L. F. Woodruff, 359

Principles and Practice of Surveying, C. B.

Breed and G. L. Hosmer, 585

“ Proceedings ” of the American Society of Civil Engineers, 557

“ Proceedings ” of the American Society for

Testing Materials, Vol. XXV., 389

Profit-sharing, M. E. Askwith, 359

Public Ground-water Supplies in Illinois, 557

Quantum Theory of the Atom, G. Birtwistle, 301

Radio Press Year-book, 1926, 301

Refrigeration, Introduction to, H. C. Kenn, 473

Reid’s Handy Colliery Guide and Directory, 389

Report of the Bridge Sub-committee on Track Stresses.. 1925, 585

Secret of High Wages, B. Austin and W.

Francis Lloyd, 389

Self-instruction for Students in Gas Supply, “ Mentor,” 246

Sell’s Directory of Registered Telegraphic Addresses, 359

Specification, F. Chatterton, 359

Stainless Iron and Steel, J. H. G. Monypenny, 557

Stars and their Uses, E. B. Leggett, 39

Steam Turbines, G. Belluzzo, 633

Stress Analysis of Bow Girders, 473

Studies of Bond between Concrete and Steel, 216

Superheat Engineering Data, 612

Surface Water Supply of Canada : Atlantic

Drainage, &c., 1922-3, 1923-4, 74

Surveying, W. N. Thomas, 612

Sweden Year Book, 1926, 669

Technical Conference of State Utility Commission Engineers, 216

Technisches Worterbuch, Ausdriicke des Maschinen-und Schiffbaues, Erich Krebbs, 557

Technology Reports of the Tohoku Imperial University, 157

The Engineer and Prevention of Malaria, Henry Home, 417

The “ Express ” per Gross and per Dozen Reckoner, J. Gall Inglis, 301

LITERATURE (continued'):

Books Received (continued):

Theoretical Phvsics, Introduction to, Vol. II., A. Haas, 246

Theory and Practice of Radio Frequency Measurements, E. B. Moullin, 669

Thirty-eighth Annual Report of the Incorporated Swansea Exchange, 669

“ Transactions ’’ of the Engineering Association of Malaya, 1924, 417

“ Transactions ” of the Institution of Engineers, Australia, 359

Transport and Handling of Mineral Acids, F. Hirsch, 669

Turbo-blowers and Compressors, W. J. Rear ton, 103

Uber die Natur der Elek tri zi tab, Leo Gilbert, 301

Union des Ingenieurs Sortis des Ecoles Speciales de Louvain, Bulletin, 103

Universal Directory of Railway Officials, 1926, 612

Use of Sodium Silicate for Sizing of Paper,

T. E. Blasweiler, 633

Vibrations in Engines and Mach nery, A. T.

J. Kersey, 216

Way to the Smokeless City, W. H. Casmey and Sir E. Hoyle, Bart., 359

Year Book and Directory of the South African Mining and Engineering Journal, 1926, S. R. Potter, 389

Year Book of Wellington Harbour Board, New Zealand, 417

Zerkleinerungsvorrichtungen und Mahlan-lagen, Carl Naske, 669

LLOYD’S Register—see Ships

Lobley, A. Glynne, and Douglas Jepson, on Influence of Gases at High Temperatures, 318 Locomotive, Electric Storage Battery, Competition, 673

Locomotives, Industrial Societe J ohn Cockerill, 532

Locomotives—see also Railway Locomotives ; also Annual Articles, Steam Locomotives.

Lovett, W. J., Comparative Freight Economics of a Cargo Vessel with Reciprocating and with Diesel Machinery, 380

Low-temperature Carbonisation and Power Generation, 236

Lubricating Oil Depot, at Wandsworth, Vacuum Oil Company, Ltd., 526, 531

Lubricating Oils for Use on Heavy Oil Engines, E. W. Johnston, 615

M MACHINE TOOLS :

Automatic Lathe, Improved, Alfred Herbert, Ltd., 278

Boring and Turning Mill, Vertical, Selson Engineering Company, Ltd., 474, 475

Change-speed Gear, Expanding Pulley, Barker and Co., 249

Grinding Attachment for Heavy Lathes, Herbert Hunt and Sons, 422

Hexagon Turret Lathe, Improved, Alfred Herbert, Ltd., 642

Improved Thread-milling Machine, Buck and Hickman, Ltd., 578

Leipzig Fair Machine Tool Hall, Extensive and Varied Exhibits of Machines, chiefly in Motion, 286, 287

Milling Cutters, High Power, Inserted Tooth, &c., Brooke Tool Manufacturing Company, Ltd., 249

Milling Cutters, High Power, Side and Face Cutter, Heavy Milling Operation, Alfred Herbert, Ltd., 249

Multiple Bar Shearing Machine, De Bergue and Co., Ltd., 100, 104, 105

Presses for Plastic Material or Hot Brass, Taylor and Challen, Ltd., 206

Testing Machine, Multiple-lever Universal, Joshua Buck ton and Co.; Ltd., 442, 446

MacNICOLL, Donald, Marine Turbine Governing and Forced Lubrication Failure Control, 266

Macrostructurc of Cast Metals, R. Genders, 317

Madras, Construction of a Breakwater Head at, Colin R. White, 464

M.A.N. Engine—see Engines

Manchester—see Water Supply

Mangnall-Irving System of Thrust Boring, 521, 522, 523

Marine Engines—see Engines ; also Annual Articles

Marine Gear—see Engines ; also Annual Articles

Marine Turbine Governing and Forced Lubrication Failure Control, Donald MacNicoll, 266

Marshall, C. W., Operating Costs of Electric Battery Vehicles, C. W. Marshall, 668

Measuring Small Fluid Pressures, An Electrical Method, H. A. Thomas, 88

Mechanical Engineering Exhibits, Various, 249 Metal Aeroplane—see Aeronautics

Metals, Single Crystals of, Professor H. C. H.

Carpenter, 559

Metallurgical Education, 45

Milling Machines—see Machine Tools

Mineral Productions of New South Wales i.i 1925, 464

Mines and Quarries, U.S.A., Safety Working in, 562

Misunderstandings about Steam, 185

Mixing Machines—see Linoleum

Monceau-Fontaine—see Electrical Matters ; also Coal, Ac-

Mortimer, George, Die Casting of Aluminium Alloys, 292

Multiple Bar Shearing and Handling Equipments, 100, 104, 105

Murday Type Traction Recorder, 515

Murphy, Silver and Tin Alloys, 345

Murray, Matthew, G. F. Tyas, 268

N NAVAL Matters—see Ships

Naylor, T. M., Whirling Speeds of Drum Rotors.

89 ; (Letters), 222, 277

New South Wales Mining Industry, 289

Newcomen Society—see Associations

OBITUARY :

Ahrons, Ernest Leopold, 416

Bailie, John David, 74

Boswell, Samuel, 12

Carlisle, The Right Hon. Alexander Montgomery (Portrait), 300

Daniel, John, 348

Folland, Henry, 388

Fraser, Gordon H., 191

Herdt, Louis Anthyme, 501

Hird, Francis, 388

Holmes, Sir George (Portrait), 209

Hoyle, James Rossiter (Portrait), 328

Johnson, Claude Goodman, 444

Leslie, Sir Bradford (Portrait), 347

Lloyd, Arthur Llewellyn, 417

Moilliet, Georges, 577

Murphy, Martin, 156

Pickles, George, 428

Riley, R. Sanford, 577

Ward, Thomas W., 191

Watts, Sir Philip (Portrait), 329

Windsor, Cecil Stanley, 12

OIL Cooler, Reliance Manufacturing Company, Ltd., 162

Oil Engines—see Engines ; also Annual Articles

Oils—see also Lubricating

Omnibuses, Electric Trolley, at Ipswich, Ransomes, Sims and Jefferies, 493

Oswald-street Bridge, Glasgow, W. L. Scott, 62

p PAGE, A. R., Hardening and Tempering of High-speed Steel, 630

Painton, Edgar T., on Welding of Aluminium, 189

Paper Mill Plant, Modern Development of, W. W. Beaumont and Leslie N. Burt, 460, 476, 505

Paper Pulp in France, 645

PATENT SPECIFICATIONS, BRITISH :

Aeronautics, 29, 139, 653

Building, 140, 284

Condensers and Feed-water Heaters, 229, 427, 567

Dynamos and Motors, 29, 85, 113, 139, 169, 199, 229, 311, 339, 371, 399, 455, 483, 511, 623, 679

Electrical Appliances, 29, 199, 567, 653

Engines, Internal Combustion, 199, 229, 283, 399, 427, 511, 539, 595, 623, 653, 679

Engines, Steam, 139

Furnaces, 114, 283, 339, 596, 653, 680

Gas Producers, 483

Lighting and Heating, 539

Locomotives, 139, 653

Machine Tools and Shop Appliances, 30, 85, 230, 257, 456, 539, 653, 680

Measuring and Testing Instruments, 60, 85, 113, 339, 400, 427, 456, 512, 679

Metallurgy, 170, 199

Mining Machinery, 371

Miscellaneous, 30, 86, 114, 140, 170, 200, 230, 258, 284, 312, 340, 372, 400, 428, 484, 512, 540, 568, 596, 624, 654

Motor Cars and Road Traffic, 140, 311

Pumping and Blowing Machinery, 139, 257, 340, 680

Ships and Boats, 230, 481, 539, 596

Steam Generators, 59, 169, 283, 371, 483, 567 Switchgear, 59, 170, 229, 427, 511, 653, 679 Telegraphs and Telephones, 59, 113, 139,

170, 257, 283, 311, 339, 371, 399, 455, 483, 512, 595, 679

Tramways and Railways, 86, 257, 539, 596

Transformers and Converters, 29. 59, 85, 257, 311, 339, 427

Transmission of Power, 60, 85, 199, 339, 399, 567, 623

Turbine Machinery, 29, 85, 229, 371, 455, 595

Water Purification, 400

Welding, 230, 340, 540

PELTON Wheel, 3 B.H.P., with New Type Governor and Deflector, Percy Pitman, 191

Perring, W. G. A., Experiments upon the Skin Friction of Smooth Surfaces, 381

Personal and Business Announcements, 27 54, 83, 114, 137, 167, 197, 222, 309, 337, 369, 393, 425, 453, 484, 509, 540, 565, 624, 651, 680

Petrol-electric Rail Car, American, 361

Photographing Explosion Pressure Waves, 320

Physical and Optical Societies’ Exhibition, 37

Physics, Relationship of, to Aeronautical Research, H. E. Wimperis, 613

Pierrard, Monsieur A., Belgian Mercantile Marine, 660

Piston Temperatures, Professor A. H. Gibson. 148

Pitot-static Tubes, Design of, 94

Platinum Production in South Africa, 573

Platinum in the Transvaal, 295

Porter, Geoffrey, Heavy Oil Engines Installations, 277

Powdered Coal—see Coal

Power from Sea Waves, Suggested Method of Obtaining, Monsieur P. Van Vloten, 461

Power Stations—see Electrical Matters

Press, Flanging, for Bridge Flooring, Daw

Brothers, Ltd., 674 y

Presses—see Hydraulic ; also Machine Tools

Progress and Happiness, Professor A. E Kennelly, 162

PUMPS :

Centrifugal and Reciprocating Pumps

Tangyes, Ltd., 247 F ’

Combined Auxiliary Pumps for 30 000-

Kilowatt Steam Turbine, Sulzer Brothers 590

Co!?rbi^ Feed-water Heater and Pump, v\ orthington-Simpson, Ltd., 53

Efficient Waterworks Pumping Plant Hathorn, Davey and Co., Ltd , and J.’ Thompson, Ltd., 438, 439

Hydraulic Pump, West Hydraulic Engineer-ing Company, 52

Wapping Pumping Station of the London Hydraulic Power Company, 634, 638

Q QUEEN MARY Reservoir Cpnduit, 126, 131 142

Quick-hardening Cements, 590

R RADIO—see Wireless

RAILWAYS AND RAILWAY MATTERS :

All-steel Passenger Rolling Stock, London, Midland and Scottish Railway, 472, 478 American Petrol-electric Rail Car, 361 Automatic Train Control in America, 93

Electric Train Testing on the Metropolitan Railway, George Hally, 514, 542

Fracturing of Fish-plates, N. Garrett Smith 435

Main Line Railway Electrification, Sir Philip Dawson and Professor S. Parker Smith 175, 233, 235, 342, 343 ; for Details, see Foreign Railways

Rail Production in America, 504

Railway Year, 358

Relaying Railway Track by Machine, A. W. Bretland, 75

Wagon, Privately Owned Railway, 415

British, Colonial, and Indian :

Ballasting the C.P.R. Tracks, 291

Bengal-Nagpur Railway, “ Garratt ” Locomotives, 586

Doubling the Inner Circle, 362

Foreigner on British Railways, 388

Great Southern Railways, Ireland, Relaying Track by Machine, A. W. Bretland, 75

Indian Railway Administration Report, 333

Indian State Saloons, Eastern Bengal Railway, 108

Metropolitan Railway, Electric Train Testing on, George Hally, 514, 542

Notes on British Railways by a Continental Engineer, 145, 178, 204, 236, 264, 288, 314, 358

Conclusions, 359

Electrification, 314

Goods and Traffic, 358

Interlocking and Signalling, 178

Management, 358

Passenger Traffic, 314

Permanent AVay, 178

Rolling Stock and Wagons, 236 ; Goods Wagons and Trucks, 237

Shunting and Switching, 288

Termini and Stations, Goods Stations, Running Sheds, 204

Locomotives Included in Notes on British Railways—see Railway Locomotives

Preston and Carlisle, New Loop Lines Between, 580

Waterloo Tube Station Reconstruction, 306

Foreign Railways :

Electric Traction on the Orleans Railway, H. Parodi, 408

Italy and Central Europe, Proposed New

Railways Between, 673

Main Line Railway Electrification :

U.S.A. North -Western States :

Butte, Anaconda and Pacific Railway, 177, 234, 235

Chicago, Milwaukee and St. Paul Railway, 175, 233, 235

Great Northern Railway, Cascade Tunnel, 177, 234, 235

Inland Empire Railroad, 177, 234, 235

U.S.A., South-Eastern States :

Norfolk and Western Railway, 342, 343

Virginian Railroad, 343, 344, 345

Midi Railway of France, Hydraulic Developments, 376

Swiss Federal Railways, Brugg Sub-station, 188

Water Power for the Paris-Orleans Railway Electrification, 584

RAILWAY LOCOMOTIVES :

General:

American Diesel-electric Locomotive, 268

American Eight-coupled Locomotives, 351

Automatic Train Control in America, 93

Economy in Axle-box Design, 503

Garratt Locomotive, R. H. Whitelegg, 392

Locomotive Feed-water Heater, Worthing

ton-Simpson, Ltd., 53

Locomotive Testing, Electric, 545

Single-phase 50-Cycle Electric Locomotive,

Fried. Krupp Aktiengesellschaft, 606

British, Colonial and Indian :

Notes on British Railways, 145 et seq.—see also Railways

Locomotives, 264

Locomotive Running and Management,

Shunting and Switching : Coal Premiums, 288

^°44()ern ^a^waY’ New 4—4—0 Type Engines,

Main Line Railway Electrification, Electric Locomotives for :

U.S.A. North-Western States, Milwaukee and St. Paul

176, 177, 233

Butte, Anaconda and Pacific

177, 234

Chicago, ^Railway,

Railway,

Great Northern Railway, 177. 234, 236 Inland Empire Railroad, 177, 234

U.S.A. South-Western States, Norfolk and Western Railway, 343, 344

Virginian Railroad, 345

Norfolk and Western Railway, New Locomotive, 4000 H.P. Two-unit Electric, American Locomotive Company, 96 (Two-page Supplement, January 22nd, 1926)

163

see Electrical Matters

New Floating, David Brown and Co.,

earners Adjustable, Brooke Tool Manufacturing Company, Ltd., 249

Refractories : Fire-bricks and Bricks for Heat |

Insulating, Timmis and Co., 248

Refrigerator. Platen-Munters Ammonia Evapo | ration System, 220

Reinforced Concrete Retaining Walls in India, ' 386, 390

Relaying Track—sec Railways

Report—see Coal

Research and British Engineering Progress, 219

Research Exhibits at the Physical and Optical

Societies’ Exhibition, 37

Reservoir Conduit, Queen Mary, 126, 131, 142

Retaining Walls and Geostatic Theories, F. W.

Woods, 604

Ripping Steel Plates, Machine for, Noble and Lund, Ltd., 326, 332, 333

Road Congress, International, and Exhibition, 494

Rolling Stock—see Railways

Rosenhain, Dr. W., and Others, Effect of Mass

in the Heat Treatment of Nickel Steel, 628

Rylands, Sir W. P., Past and Future of the Steel

Industry, 574, 583, 600

Ryves, Reginald, Water Power Storage by Pumping, 602

s SAFE Loads and Endurance of Steels under

Repeated Bending Stresses, 130

Safety Working in United States Mines and Quarries, 562

Sand Blast Barrel, New, J. W. Jackman and

Co., Ltd., 618

Sandviken—see Iron and Steel

Scholarship Offer to Mining Engineers, 361

Scientific Exhibits at the Royal Society’s Conversazione, 633

Screwing Machine, Simple Hand, Victor Engineering Company, Ltd., 194

Sea Waves, Suggested Method of Obtaining Power from, Monsieur P. Van Vloten, 461

Sewage Works, New Esholt, Opening of, 530 Sewer Pipes Laid by Thrust Boring Machine.

Mangnall Irving, 521, 522, 523

Shaughnessy, E. H., Rugby Wireless Station.

448

Shearing Machines—see Machine Tools

SHIPS AND SHIPBUILDING :

See also Annual Articles

General:

Crane Equipment of Shipbuilding Berths, Ebenezer Smith, 406

Electric Propulsion of Ships, Eskil Berg, 275

Freight Economics of a Cargo Vessel, Comparative, with Reciprocating and with Diesel Machinery, W. J. Lovett, 380

Hydro-mechanical Transmission Gearing for Motor Ships, 179

International Shipping Conference, 468

Launching Problems, W. J. Berry, 350

Lloyd’s Register :

Annual Summary, 92

Quarterly Shipbuilding Returns, 80, 446

Marine Engines—see Engines

Mercantile Ship Models in Waves, Experiments on, J. L. Kent, 381

Outlook for Shipbuilding, A. C. F. Henderson, 349, 362

Propeller Dimension Formulae, &c., Professor C. M. Carter, 381

Recent Liner Performances, 47

Ship W7ave Resistance, Comparison of Mathematical Theory with Experimental Results, W. C. S. Wigley, 381

Shipbuilding Costs, 664

Steering Gear, Electric Hydraulic, Dr. Hele-Shaw and T. E. Beacham, 506

Trials of the Motor Vessel Pacific Trader, Committee’s Report, 65

Trials of the Motor Vessel British Aviator, Engines Tested by Marine Oil Engines Trials Committee, 576

What is Sea Speed ? Reginald J. Eyres, 392

British Navy :

Dreadnought Anniversary, 155

H.M.S. Suffolk, 217

Launching Arrangements of H.M. Ships

Nelson and Rodney, W. J. Berry, 350

New Cruisers, 215

Naval Matters :

Engineering Branch of the Royal Navy, 486, 499

“ The Engine-room Department Never Fails,” 667

Heel and Trim, Method Used for Readily Correcting, A. W. Cluett, 406

Jutland, Battle of, A Retrospect, 545, 555

Naval Construction, 443

Naval Engineers, 499

Navy Estimates, 271

Rebuilding the German Navy, 639

Royal Naval Engineer Officers, 328, 330, 357

Status of Naval Engineers, 524, 547

Foreign Navies :

French Cruiser Duquesne, 440

French Navy, 471

SHIPS AND SHIPBUILDING {continued):

Mercantile and Miscellaneous Vessels :

Asturias, R.M.S.P. Motor Passenger Liner, 14, 17, 18, 79, 240, 245 ; (Addendum), 281

Belgian Mercantile Marine, Monsieur A. Pierrard, 660

British Aviator, Motor Vessel, Engines Tested by Marine Oil Engines Trials Committee, 576

Motor Ship Danmark, Burmeister and Wain, Ltd., 265

Motor Ships for South America, William Beardmore and Co., Ltd., 321

Pacific Trader, Motor Vessel, Engines Tested by Marine Oil Engine Trials Committee, Wm. Doxford and Sons, 65

Triple-screw Liner Laurentic, 465

SIEVEKING, Alfred R., Swiss Hydro-electric

Supply, 519 ; (Correction), 561

Silicates—see Iron and Steel

Silver and Tin Alloys, A. J. Murphy, 345

Sixty Years Ago, 9, 54, 79, 98, 124, 149, 187, 212, 246, 273, 293, 334, 351, 389, 409, 440, 465, 504, 523, 552, 588, 603, 641, 663

Sixty Years Ago and To-day, 45

Slater, I. G., and T. H. Turner, Hardness of

Carbon Steels at High Temperatures, 629

Sludge, Activated, Diffused-air Method of Treatment, 79

Smith, Ebenezer, Crane Equipment of Shipbuilding Berths, 406

Smith, N. Garrett, The Fracturing of Fishplates, 435

Societies—see Associations

Soft Soldering of Copper, Dr. T. B. Crow, 318

Softening of Strain-hardened Metals, &c., R.

W. Bailey, 292

SOUTH AFRICAN ENGINEERING NOTES :

83, 161, 194, 251, 278, 305, 421, 478, 504, 579, 618, 675

Aviation Service in South Africa, 618

Big Electric Hoist, 504

Bridges, New, 549

Briquette Manufacture Company, 421

Broken Hill Power Plant, 579

Broken Hill Power Scheme, 161

Cape Town’s Electrical System, 675

Consumption of Gas and Electricity in Johannesburg, 619

Demand for Railways, 675

Durban Ship Repairing Job, 549

Eight Hours’ Day, 478

Electric Railway Working, 579

Electrification of Natal Main Line, 83

Expenditure on Rolling Stock, 618

Factories in Liquidation, 161

Floating Dock at Table Bay, 675

Fruit Wagons, New, 579

Gas for Johannesburg, 504

Government Areas New Plant, 675

Important Ship Repair, 421

Industrial Progress, 83

Irrigation in Great Fish River Valley, 618

Irrigation of the Kalahari, 194

Kalahari Problem, 161

Labour-saving Elevators, 305

Large Gas Plant Wanted, 579

Large S.A.R. Orders, 305

Locomotives on Nigerian Railways, 83

Locomotives Ordered from Germany, 579

Metrovick Electric Winders, 675

Mineral Output, 161, 549

Mineral Output for 1925, 478

Motor Car Centre, 305

Municipal Enterprises, 549

Narrow-gauge Motor Truck, 618

Natal Railway Electrification, 194

New Cape Central Railway, 504

Novel Power Agreement, 194

Orders Lost Through Strike, 675

Petroleum in S.W. Africa, 478

Pig Iron Production, 251

Platinum Activities, 478

Platinum Production in the Transvaal, 278

Port Elizabeth’s Electrical Power, 161

Port Elizabeth Harbour Extension, 579

Power Station, Large, at Durban, 305

Power Station Mishap, 504

Pulp Binder Invented, 194

Railway Electrification, 504

Railway Rolling Stock, 549

Railways, New, 549

Rand-Cape Telephone Service, 618

Rand’s Record Output, 618

Record Workshop Job, 549

Refrigerating Plants, 549

Reservoirs Troubled by Silt, 194

Rhodesian Chrome for U.S.A., 478

Rhodesian Irrigation Project, 305

Rhodesia’s Mineral Riches, 194

Rock Hoist, A Large, 305

Union Irrigation, 161

Union’s 1925 Maize Crop, 305

Union Miniere’s New Plant, 675

Union Railway Budget, 579

Union Railways’ Traffic, 421

Union Rolling Stock, 161

Union Steel Corporation, 83

Water Valve, World’s Largest, 305

Witbank Super Power Station, 161, 478

World’s Largest Electric Hoist, 619

‘ SPREAD ” of Metal in Rolling, C. E. Davies, 598, 626

Standardisation in Industry, 293 Stations, Railway—see Railways Status of Naval Engineers, 524 Steam, Misunderstandings About, 185 Steam Tables, Consistency of, 272 Steam Turbine Plant for an Old Cotton Mill,

W. H. Allen, Sons and Co., Ltd., 52

Steam Turbines, Improved, for Turbo -generators, Oerlikon Ltd., 105 ; (Letter), 124

Steel—see Iron

Stockdale, Dr. D., Aluminium-copper-tin Alloys, 318

Striation Due to Working or Corrosion, Monsieur A. M. Portevin, 346

Stroborama, Monsieurs Laurent and Augustin Seguin, 506

Sulzer, Robert, Temperature Variation and Heat Stresses in Diesel Engines, 379, 391, 420 Super-accurate Production of Spur Gears on the Gear Shaper, H. Walker, 316 ; (Letter), 384

Superheating of Steam, Automatic, 516

Sutlej Valley Irrigation Project, 644 Swiss Hydro-electric Supply, Alfred R. Sieve-king, 519 ; (Correction), 561

T TAR Distilling Plant at Steel Works, W. C. Holmes and (Jo., Ltd., 68, 72

Taylor, J. E., Propagation of Electric Waves, 249 |

Telegraphy and Telephony, Wireless—see Wireless

Telephone, Jubilee of the, 636

Television, Transmitting and Receiving Instruments, J. L. Baird, 641

Temperature Variation—see Engines

Testing Machines—see also Machine Tools

Testing Machines :

Izod Impact Testing, 207

Rubber Testing, 206, 207

Spring Testing, 207

W. and T. Avery, 206

Tests of a Back-pressure Steam Turbine, Monsieur M. Hentsch, 462

Thermionic Generators, &c.—see Wireless Telegraphy

Thermo Element, Vacuum, Moll and Berger, 38

Thomas, H. A., An Electrical Method of

Measuring Small Fluid Pressures, 88

Thompson, Lindley, and H. Walmsley, Testing Static Transformers, 158

Thrust Boring, Mangnall Irving System, Sewage

Pipes Laid by, 521, 522, 523

Time Taken to Start a Stand-by Power Plant, 450 ; (Letter), 465

Too Many Institutions ? 272 ; (Letter), 412

Tookey, W. A., Industrial Tests of Internal

Combustion Engines, 437

Toothless Gear, Garrard Gears, Ltd., 304

Torsionmeters, 73 ; (Letters), 95, 222

Traditional Architectural Forms and their

Structural Efficiency, William Harvey, 374

Trains and Train Control—see Railways

Trucks—see also Electrical Matters

Tunnel, Cable, Under the Thames, 242

Turbine, Back-pressure Steam, Tests of, Monsieur M. Hentsch, 462

Turbine Blades, Wear of Nickel Steel ; Turbine, Exhaust Gas, Rotor for, Special Steels, 407, 408

Turbines—see also Steam

Turbo-generators—see Electrical Matters

Turner, Lieut.-Colonel F. W., Modern Flour Milling Machinery, 635, 645, 670

I Tyas, G. F., Matthew Murray, 268

VALVES for the Fourth Thirlmere Pipe Line, 1 550

I Valves, Multiple Flap, “ Ismailia,” E. C.

Bowden-Smith, 160

• Van Ryneveld’s Pass Irrigation Works, 54

Variety in Design, 246

Vulcanised Fibre—see British Engineering

Standards

w WAGES Board for the Coal Industry, 556

Wagon, 200 Cubic Feet Side-tipping, Robert

Hudson, Ltd., 334

Wagons—see also Railway

Wairoa—see Bridge

Walker, H., Involute Internal Gearing, 146, 172

Walker, H., Sup er-accurate Production of Spur

Gears on the Gear Shaper, 316

Wallis, B. N., Technical Aspects of the Commercial Airship, 217 ; (Letter), 296

Wapping—see Pumps

Washing Filtering Material, New Method of, Alfred E. Smith, 561

Water Power Development in Switzerland, 366

Water Power in Italy, the Orba Torrent, 98

Water Power for the Paris-Orleans Railway Electrification, 58-1

Water Power Projects in Spain, 348

Water Power Resources of Canada, 436

Water Power Storage by Pumping, Reginald Ryves, 602

WATER SUPPLY :

(See also Annual Articles and Reservoir)

Big Water Supply Scheme, 496

Caine Waterworks Improvements, 68

Manchester Waterworks, W. F. H. Creber, 614

Metropolitan Water Board, Recent Works, 77 Paris Water Supply, 12

Thirlmere Pipe Line, The Fourth, 550

WELDING of Aluminium, Notes on, Edgar T.

Painton, 189

Welding Plant, Portable Arc Welding, Siemens-Schuckert, Ltd., 562

Whirling Speeds of Drum Rotors, T. M. Naylor, 89 ; (Letters), 222, 277

White, Colin R., Construction of a Breakwater

Head at Madras, 464

Whitelegg, R. H., The Garratt Locomotive, 392 Wigley, W. C. S., Ship Wave Resistance : Comparison of Mathematical Theory with Experimental Results, 381

Wilson, P. H., Nobel Oil Engine, 324

Wimperis, H. E., Relationship of Physics to Aeronautical Research, 613

Windmills for Generation of Electricity, 586

WIRELESS TELEGRAPHY AND TELE

PHONY .

Grace's Guide To British Industrial History

The Engineer 1926 Jan-Jun: Index: Miscellaneous: Difference between revisions

Revision as of 10:03, 16 June 2020

See Also

Sources of Information

@@ Line 29: / Line 29: @@
 A
-ABRASIVE Blocks, Commutator Grinding Block Company, 249
+ABRASIVE Blocks, Commutator Grinding 1 Block Company, 249
 Accelerometer and Air Speed Recorder, Cambridge Instrument Company, Ltd., 37
 Activated—see Sewage
 Adhesives, 500
 “ Aeroflex,” Improved Electric Fuse, 366
 AERONAUTICS :
-  See also Annual Articles
-  Air Transport, 518
+See also Annual Articles
-  Civil Marine Aircraft, 324
-International Tests of Aeronautical Models, 174
+Air Transport, 518
-  Italian Airship Norge, 437
-  Metal Aeroplane Developments, Boulton and
+Civil Marine Aircraft, 324
-     Paul, Ltd., 306
-  “ Pterodactyl ” Tailless Aeroplane, Captain
+International Tests of Aeronautical Models,
-     G. T. R. Hill, 463, 498, 501
+Italian Airship Norge, 437
+Metal Aeroplane Developments, Boulton and
+Paul, Ltd., 306
+“ Pterodactyl ” Tailless Aeroplane, Captain
+G. T. R. Hill, 463, 498, 501
 Relationship of Physics to Aeronautical Research, H. E. Wimperis, 613
 Technical Aspects of the Commercial Airship,
-     B. N. Wallis, 217 ; (Letter), 296
-  Wireless Equipment of a Seaplane, 209
+B. N. Wallis, 217 ; (Letter), 296
-AGRICULTURE, Applications of Engineering
-  to, Frank Ayton, 645, 647 ; (Letter), 673
+Wireless Equipment of a Seaplane, 209
+AGRICULTURE, Applications of Engineering to, Frank Ayton, 645, 647 ; (Letter), 673
 Agricultural Engineering, 128
 Agricultural Machinery Exhibition at Brussels, '242
-Air Compressor with Cylinder 4-|in. by 6in. and
-H.P. Oil Engine, Blackstone Company,
+Air Compressor with Cylinder 4|in. by 6in. and
+H.P. Oil Engine, Blackstone Company, '
 Air Pollution in English Towns and Cities, John
-  B. C. Kershaw, 433 ; (Letter), 580
+B. C. Kershaw, 433 ; (Letter), 580
 Alloys, Light, or Steel ? 528
-Aluminium-copper-tin Alloys, Dr. D. Stock- dale, 318
+Aluminium-copper-tin Alloys, Dr. D. Stock-dale, 318
 American Engine Trials—see Engines
 AMERICAN ENGINEERING NEWS :
-, 162, 190, 465, 504, 552, 661
-  American Shipbuilding, 661
+, 162, 190, 465, 504, 552, 661
-  Blast-furnace, New 700-Ton, 661
-  Concrete Roads, 465
+American Shipbuilding, 661
-  Conveyors in Coal Mines, 465
-  Creosoting Works of the Southern Pacific
+Blast-furnace, New 700-Ton, 661
-     Railway, 162
-  Diesel-electric Dredger, 162
+Concrete Roads, 465
-  Economy in Turbine Plants, 504
-   Electrical Energy, 190
+Conveyors in Coal Mines, 465
-   Electric Excavators, 552
-   Ferro-sulphurous Blast-furnace, 552
+Creosoting Works of the Southern Pacific
-   Heavy Dredging Work, 79
-   Iron and Steel, 190
+Railway, 162
-   Labour, 190
-   Large Locomotive Terminus, 552
+Diesel-electrie Dredger, 162
-   Leaching Low-grade Copper Ore, 552
-   Locomotives with Trailing Bogies, 79
+Economy in Turbine Plants, 504
-   Machine Operation of a Coal Mine, 504
-   Mountain Railway Engineering, 79
+Electrical Energy, 190
-   Ocean Shipping, 190
-   Railway Labour-saving Machinery, 552
+Electric Excavators, 552
-   Railway Lift Bridges, 504
-   Simplified Practice, 191
+Ferro-sulphurous Blast-furnace, 552
-   Strengthening a 416ft. Bridge Span, 465
-   Twelve-coupled American Locomotives, 661
+Heavy Dredging Work, 79
-   Underground Mining of Limestone, 162
+Iron and Steel, 190
+Labour, 190
+Large Locomotive Terminus, 552
+Leaching Low-grade Copper Ore, 552
+Locomotives with Trailing Bogies, 79
+Machine Operation of a Coal Mine, 504
+Mountain Railway Engineering, 79
+Ocean Shipping, 190
+Railway Labour-saving Machinery, 552
+Railway Lift Bridges, 504
+Simplified Practice, 191
+Strengthening a 416ft. Bridge Span, 465
+Twelve-coupled American Locomotives, 661
+Underground Mining of Limestone, 162
 ANNUAL ARTICLES :
-  AERONAUTICS IN 1925, 10, 32
-       (Supplement, January ls£, 1926)
+Aeronautics in 1925, 10, 32
+(Supplement, January ls£, 1926)
 British, Some, Military and Civil Aeroplanes, 10, 32
-     A. V. Roe and Co., Ltd.:
-Av. o “ Bison ” Fleet-spotting Machine, 10 (Supplement, January ls£, 1926)
+A. V. Roe and Co., Ltd.:
-       Avro-Lynx Seaplane, 10
-     English Electric Company Ltd.:
+AviO “Bison” Fleet-spotting Machine, 10 (Supplement, January 1st, 1926)
-Metal-hulled “ Kingston ” Flying Boat, 12 (Supplement, January ls£, 1926)
-     Handley Page, Ltd.:
+Avro-Lynx Seaplane, 10
+English Electric Company Ltd.:
+Metal-hulled “ Kingston ” Flying Boat, 12 (Supplement, January !<$£, 1926)
+Handley Page, Ltd.:
 Triple-engined “ Hampstead ” Passenger Machine, 10 (Supplement, January 1st, 1926)
-     Short Brothers, Ltd.:
-       All-metal Aircraft Construction, 11
+Short Brothers, Ltd.:
+All-metal Aircraft Construction, 11
 H.P. All-metal Monoplane Flying Boat, 11, 12
 Experimental Duralumin-hulled Flying Boat, 12 (Supplement, January 1st, 1926)
-     Vickers Ltd.:
+Vickers Ltd.:
 “ Vanguard ” 25-Seater Passenger Biplane, with “ Condor ” Engine, 10, 11 (Supplement, January 1st, 1926)
-“ Vixen ” Military Machine 11 (Supplement, January ls£, 1926)
-     Westland Aircraft Works : 1
+“Vixen” Military Machine 11 (Supplement, January 1st, 1926)
-Yeovil Bombing Machines, 10 (Supplement, January Isi, 1926)
-  Additional Military and Civil Aeroplanes, 32,
+Westland Aircraft Works :
-  Armstrong, Whitworth Aircraft, Ltd.:
+Yeovil Bombing Machines, 10 (Supplement, January ls£, 1926)
+Additional Military and Civil Aeroplanes, 32, 44
+Armstrong, Whitworth Aircraft, Ltd.:
 “ Ajax ” Two-seater Reconaissance Biplane, with “ Jaguar ” Engine, 33, 44
 “ Argosy ” Three-engined Passenger Biplane, 32, 33
-  Beardmore, Wm., and Co., Ltd.:
-Two-seater, Fighter Biplane, with Rolls- Royce “ Eagle ” Engine and “ Lamblin ” Radiator, 33, 34
+Beardmore, Wm., and Co., Ltd.:
-  Bristol Aeroplane Company, Ltd.:
-     Various Aeroplanes and Engines, 34, 35
+Two-seater, Fighter Biplane, with Rolls-Royce “ Eagle ” Engine and “ Lamblin ” Radiator, 33, 34
-     Variable Timing Gear, 34, 35
-     Bristol “ Bloodhound ” Test Results, 35
+Bristol Aeroplane Company, Ltd.:
-  Fairey Aviation Company, Ltd.:
+Various Aeroplanes and Engines, 34, 35
+Variable Timing Gear, 34, 35
+Bristol “ Bloodhound ” Test Results, 35
+Fairey Aviation Company, Ltd.:
 Fairey “ Fox ” Two-seater Day Bomber with Fairey-Reed Metal Air Screw and Fairey “ Felix ” D 12 400 H.P. Aeroengine, 32
-Fairey “ Fawn ” Three-seater Army Ma- t< chine with Napier “ Lion ” Engine, 32 “ Flycatcher ” Single-seater Scout, Variable Types and Engines, 32
-     Fairey III. D Seaplane, 32
+Fairey “ Fawn ” Three-seater Army Machine with Napier “ Lion ” Engine, 32
-  Gloucestershire Aircraft Company, Ltd.:
-“ Gamecock ” Single-seater Fighter with “ Jupiter ” Engine, 33
+“ Flycatcher ” Single-seater Scout, Variable Types and Engines, 32
-“ Gloster III.” Single-seater Racing Sea- plane, 33, 44
-“ Gorcock ” Single-seater Fighter with t Napier “ Lion ” Engine, 33
+Fairey III. D Seaplane, 32
-      ‘ Jupiter Greve,” Developed Type, 33
-ANNUAL ARTICLES (continued):
+Gloucestershire Aircraft Company, Ltd.:
-  Hawker Engineering Company, Ltd.:
-    “ Woodcock ” Single - seater Fighter ;
+“ Gamecock ” Single-seater Fighter wit! “ Jupiter ” Engine, 33
-“ Heron ” Single-seater with Metal Structural Details ; “ Hedgehog ” Three- seater Biplane: ‘‘Woodcock,” “Heron ” and “ Hedgehog,” with Bristol “ Jupiter ” Engines, 32
-“ Horsley ” Day Bomber with Rolls- Royce Condor Engine, 32
+“ Gloster III.” Single-seater Racing Sea plane, 33, 44
+“ Gorcock ” Single-seater Fighter witl Napier “ Lion ” Engine, 33
+“ Jupiter Greve,” Developed Type, 33
+ANNUAL ARTICLES (continued) :
+Hawker Engineering Company, Ltd.:
+“ Woodcock ” Single - seater Fighter ;
+“ Heron ” Single-seater with Metal Structural Details; “Hedgehog” Three-seater Biplane: “Woodcock,” “Heron ” and “Hedgehog,” with Bristol “Jupiter ” Engines, 32
+“ Horsley ” Day Bomber with Rolls-Royce Condor Engine, 32
 Single-seater Fighters for Royal Danish Navy, with Siddeley “ Jaguar ” Mark IV. Engines, 33
-  Parnail, George, and Co.:
-    “ Plover ” Single-seater Fighter, with
+Parnail, George, and Co.:
-     “ Jupiter ” or “ Jaguar ” Engine, 34, 44 Airships :
-    U.S. Shenandoah, British R 33, 35
+“ Plover ” Single-seater Fighter, with
-    Civil Aviation, 10
-  Helicopters :
+“ Jupiter ” or “ Jaguar ” Engine, 34, 44
-    Autogiro, 35
-ELECTRICAL ENGINEERING IN 1925, 20, 48 (Supplement, January 1st, 1926)
+Airships :
-    Electric Motors, 48
+U.S. Shenandoah, British R 33, 35
+Civil Aviation, 10
+Helicopters :
+Autogiro, 35
+Electrical Engineering in 1925, 20, 48 (Supplement, January ls£, 1926)
+Electric Motors, 48
 Electric Traction, 49 ; Storage Battery Mine Locomotive, Hawthorn, Leslie and Co., Ltd., 49
 Generating Sets, 21
-Barking Power Station, 40,000-Kilowatt j Parsons Turbo-generator Set, 21 (Supplement, January 1st, 1926)
-Bow Generating Station, 22 (Supplement, January 1st, 1926)
+Barking Power Station, 40,000-Kilowatt
-Turbo-generator at Bradford Electricity Works, English Electric Company, 22 (Supplement, January 1st, 1926)
-    Hydro-electric Plant, 48
+Parsons Turbo-generator Set, 21 (Supplement, January ls£, 1926)
-    Mercury Vapour Rectifiers, 21
-       Sub-station Plant, Mercury Vapour and
+Bow Generating Station, 22 (Supple- j ment, January ls£, 1926)
-         Static Transformer Sections, 21
-    Mining Plant, 49
+Turbo-generator at Bradford Electricity Works, English Electric Company, 22 (Supplement, January ls£, 1926)
-    Miscellaneous, 50
-    Rolling Mill Plant, 49
+Hydro-electric Plant, 48
-    Sub-station Plant, 22
-       Automatic Sub-stations, 22
+Mercury Vapour Rectifiers, 21
-Supervisory Control Equipment for Automatic Sub-statiop, Metropolitan- Vickers Company, 22 (Supplement, January Isi, 1926)
-    Switchgear, 48
+Sub-station Plant, Mercury Vapour and Static Transformer Sections, 21
-    Telephone Cables, 50
-    Transformers, 48
+Mining Plant, 49
+Miscellaneous, 50
+Rolling Mill Plant, 49
+Sub-station Plant, 22
+Automatic Sub-stations, 22
+Supervisory Control Equipment for Automatic Sub-statiop, Metropolitan-Vickers Company, 22 (Supplement, January ls£, 1926)
+Switchgear, 48
+Telephone Cables, 50
+Transformers, 48
 Testing Transformers for Sustained Arc between Points 114in. Apart, Ferranti, Ltd., 48
-    Wireless Communication, 20
+Wireless Communication, 20
 Automatic Call Apparatus, Marconi Company, Radio Communication Company, 21 ; Daventry Wireless Transmitting Gear, 20
 Fluctuations in Prices of Engineering Materials during 1925, 9
-  GAS ENGINEERING IN 1925, 63
-    Combined Nitrogen Production, 64
+Gas Engineering in 1925, 63
+Combined Nitrogen Production, 64
 Gasworks and Low-temperature Carbonisation, 63
-    Synthetic Alcohol, 64
-    Technical Progress, 64
+Synthetic Alcohol, 64
-    Utilisation of Coke, 64
-ANNUAL ARTICLES (continued):
+Technical Progress. 64
-  HARBOURS AND WATERWAYS IN 1925, 50
-    United Kingdom, 50
+Utilisation of Coke, 64
+ANNUAL ARTICLES {continued):
+Harbours and Waterways in 1925, 50
+United Kingdom, 50
 Bristol Channel and South Wales Ports, 50
 British Waterways, 51
 London, Port of, 50
-       Mersey and Manchester Ship Canal, 50
-       Naval Dockyards, 51
+Mersey and Manchester Ship Canal, 50
-       North-East Coast and Humber Ports, 50
-       Other Ports, 50
+Naval Dockyards, 51
-       Scotland, 50
-       Southampton, 50
+North-East Coast and Humber Ports, 50 Other Ports, 50 Scotland, 50
-    Africa, 51
-    European Ports, 51
+Southampton, 50
-       Belgium, 51
-       Continental Waterways, 51
+Africa, 51
-       France, 51
-       Germany, 51
+European Ports, 51
-       Holland, 51
-       Italy, 51
+Belgium, 51
-    North and South America, 51
-       Canada, 51
+Continental Waterways, 51
-       South America, 51
-       United States, 51
+France, 51
-    The East, 51
-  Locomotives—see Steam
+Germany, 51
-MOTOR SHIPS AND MARINE OIL ENGINES IN 1925, 14, 17,18
-  (Supplement, January l.$£, 1926) Brown-Sulzer Engine, 14, 17, 18, 19 Continental Progress in 1925, 19 Double-acting Engines, 14, 17
+Holland, 51
+Italy, 51
+North and South America, 51
+Canada, 51
+South America, 51
+United States, 51
+The East, 51
+Locomotives—see Steam
+Motor Ships and Marine Oil Engines in 1925, 14, 17,18
+{Supplement, January 1«£, 1926) Brown-Sulzer Engine, 14, 17, 18, 19 Continental Progress in 1925, 19 Double-acting Engines, 14, 17
 Asturias, R.M.S.P. Motor Passenger Liner, and One of Main Engines, 14, 17, 18
 North British Two-cycle Sliding Cylinder Engine, 17, 18
-Swedish-American Liner Gripsholm, 17, 18 (Supplement, January Isi, 1925)
+Swedish-American Liner Gripsholm, 17, 18 {Supplement, January ls£, 1925)
 Mirrlees-Nobel 1000 B.H.P. Two-cycle Engine, 19
 “ Neptune ” Type Marine Engine, Swan, Hunter and Wigham Richardson, 18, 19 Opposed Piston Engines, 19
-    Single-acting Four-cycle Eng'nes, 17
-       Raby Castle, North-Eastern’ Werkspoor
+Single-acting Four-cycle Eng'nes, 17
-Motor for, 17 (Supplement, January 1st, 1926)
-    S.'ngle-acting Two-cycle Engines, 17
+Raby Castle, North-Eastern Werkspoor Motor for, 17 {Supplement, January 1st, 1926)
-Upwey Grange Houlder Line Motor Reirigerator Ship, 17, 18 (Supplement, January 1926)
+S.’ngle-acting Two-cycle Engines, 17
+Upwey Grange Houlder Line Motor Reirigerator Ship, 17, 18 {Supplement, January l<tf, 1926)
 Motor Ships and Marine Oil Engines in America, 19
-       Worthington 2900 B.H.P. Double-acting
-         Engine, 19
+Worthington 2900 B.H.P. Double-acting Engine, 19
-    Conclusion, 20
-  NAVAL CONSTRUCTION IN 1925, 5
+Conclusion, 20
-    British Empire, 5
-    France, 6
+Naval Construction in 1925, 5
-    Italy, 7
-    Japan, 6
+British Empire, 5
-    Minor Navies, 7
-    United States, 6
+France, 6
-ANNUAL ARTICLES (continued) :
-RAILWAYS IN 1925, 46
+Italy, 7
-   Great Western, 47
-   London Electric Railways, 47
+Japan, 6
-   London, Midland and Scottish, 46
-   London and North-Eastern, 46
+Minor Navies, 7
-   Metropolitan, 47
-Metropolitan and Great Central Joint Railway, 47
+United States, 6
-   Southern, 47
-   Two Light Railways, 47
+KTNUAL ARTICLES (continued) :
-SANITARY ENGINEERING IN 1925, 23
-   Bradford Esholt Scheme, 23
+Railways in 1925, 46
-   Falmouth, New Main Drainage Works at,
-   General Outlook, 22
+Great Western, 47
+London Electric Railways, 47
+London, Midland and Scottish, 46
+London and North-Eastern, 46
+Metropolitan, 47
+Metropolitan and Great Central Joint
+Railway, 47
+Southern, 47
+Two Light Railways, 47
+Sanitary Engineering in 1925, 23
+Bradford Esholt Scheme, 23
+Falmouth, New Main Drainage Works at, 23
+General Outlook, 22
 Leeds Main Drainage and Sewage Disposal Works, 23
 London Main Drainage, 22
-   Manchester, 22
-   Reading, New Disposal Works at, 23
+Manchester, 22
-   Salford, 23
-   Wandle Valley Joint Sewerage Board, 23
+Reading, New Disposal Works at, 23
+Salford, 23
+Wandie Valley Joint Sewerage Board, 23
 Works Completed, Under Construction or in Contemplation, 23
-STEAM LOCOMOTIVES OF 1925, 2
-(Supplement, January 1$£, 1926)—see also Illustrations, Names Index and Subjects Index, Locomotives
+Steam Locomotives of 1925, 2
-   French Engines :
-P.L.M. Railway, Eight-coupled Passenger Engines, 5 (Supplement, J anuary 1 st, 1926)
+(Supplement, January ls£, 1926)—see also Illustrations, Names Index and Subjects Index, Locomotives
+French Engines :
+P.L.M. Railway, Eight-coupled Passenger Engines, 5 (Supplement, January Istf, 1926)
 Paris-Orleans Eight-coupled Passenger Engine, 5 (Supplement, January 1st, 1926)
-Great Western Railway, 2 (Supplement, January 1st, 1926)
-Great Western Railway Passenger Engine Saint Martin, 2 (Supplement, January ls«, 1926)
+Great Western Railway, 2 (Supplement, January ls£, 1926)
- London, Midland and Scottish Railway, 2 London, Midland and Scottish Railway Three-cylinder Compound Engine, 2
-London and North-Eastern Railway, 2 (Supplement, January 1st, 1926)
+Great Western Railway Passenger Engine Saint Martin, 2 (Supplement, January Isi, 1926)
-London and North-Eastern Engines, “ Mikado ” Type Locomotive, “ Garratt ” Locomotive, 2 (Supplement, January ls£, 1926)
+London, Midland and Scottish Railway, 2
+London, Midland and Scottish Railway Three-cylinder Compound Engine, 2
+London and North-Eastern Railway, 2 (Supplement, January ls£, 1926)
+London and North-Eastern Engines, “ Mikado ” Type Locomotive, “ Gar-ratt ” Locomotive, 2 (Supplement, January ls£, 1926)
 London and North-Eastern Railway Engine with Lentz Valve Gear, 2
-   Makers’ Locomotives :
+Makers’ Locomotives :
 Avonside Engine Company, Fireless Locomotive, 2, 3
 Sir W. G. Armstrong, Whitworth and Co., Ltd., South Australian Railways, Six-coupled Engine, 5
 W. G. Bagnall, Ltd., Madras and S.M. Railway, 3
 Beyer, Peacock and Co., Ltd., Garratt Engine, Indian State N.W. Railway, 3 ; Experimental Ljungstrom Geared Turbine Engine, 3, 4
 Hawthorn, R. and W., Leslie and Co., Ltd., Indian State Railways, Tank Engine, 5
 North British Locomotive Company, Ltd., South African Railways Modified “ Fairlie ” Engine, 3 (Supplement, January ls£, 1926)
 Peckett and Sons, Ltd., Saddle-tank Engine, 4
-    Robert Stephenson and Co., Ltd., x Somerset and Dorset Joint Railway, Eight-coupled Goods Engine, 4
-    Vulcan Foundry, Ltd., Nigerian Railways Three-cylinder Narrow-gauge Engine, 4 (Supplement, January 1st, 	1926) -
+Robert Stephenson and Co., Ltd., Somerset and Dorset Joint Railway, Eight-coupled Goods Engine, 4
-Yorkshire Engine Company, Ltd., Oil- burning Engine, Central Railway of Peru, 4
-' Southern Railway, 2 (Supplement, January 1st, 1926)
+Vulcan Foundry, Ltd., Nigerian Railways Three-cylinder Narrow-gauge Engine, 4 (Supplement, January 1st, 1926)
-Southern Railway, Express Passenger Engine, “ King Arthur ” Class, 2 (Supplement, January ls£, 1926)
-  STEAMSHIPS OF 1925, 7
+Yorkshire Engine Company, Ltd., Oil-burning Engine, Central Railway of Peru, 4
-      (Supplement, January ls£, 1926)
-   British-built Liners, 7
+■ Southern Railway, 2 (Supplement, January 1st, 1926)
- Caledonia, Anchor-Cunard Liner, 8 Carinthia, Cunard Liner, 7
-Conte Biancamano, Lloyd Sabaudo Company, 8 (Supplement, January 1st, 1926) Llandovery Castle, Union-Castle Liner, 7 Princess Marguerite, Canadian Pacific Liner, 8
+Southern Railway, Express Passenger Engine, “ King Arthur ” Class, 2 (Supplement, January 1<$£, 1926)
+Steamships of 1925, 7
+(Supplement, January l«s£, 1926)
+British-built Liners, 7
+Caledonia, Anchor-Cunard Liner, 8
+Carinthia, Cunard Liner, 7
+Conte Biancamano, Lloyd Sabaudo Company, 8 (Supplement, January 1st, 1926)
+Llandovery Castle, Union-Castle Liner, 7
+Princess Marguerite, Canadian Pacific Liner, 8
 Ranchi, Peninsular and Oriental S.N. Company, 7 (Supplement, January ls£, 1926)
 Dredgers Built During 1925, 8
 Railway and River Boats, 8
 Repairs and Reconditioning, 8
-     Salvage Operations and Shipbreaking, 8
-     Some New Developments, 8
+Salvage Operations and Shipbreaking, 8
-     Some Refrigerator Ships, 8
-  WATER SUPPLY IN 1925, 35
+Some New Developments, 8
-      (Supplement, January ls£, 1926)
-     British Works :
+Some Refrigerator Ships, 8
-Belfast’s Silent Valley Scheme, 36 Bradford, 35
-      Cardiff, 36
+Water Supply in 1925, 35
-      Loch Katrine Works, 36
+(Supplement, January ls£, 1926)
+British Works :
+Belfast’s Silent Valley Scheme, 36
+Bradford, 35
+Cardiff, 36
+Loch Katrine Works, 36
 Manchester Corporation Waterworks : Haweswater Scheme, Heaton Park Reservoir, Thirlmere, 35
-Queen Mary Reservoir, 35 (Supplement, January ls£, 1926)
- Taf Fechan Water Supply Board, 36 Wakefield’s Ryburn Valley Scheme, 36 Works in Hand or in Contemplation, 36
+Queen Mary Reservoir, 35 (Supplement, January Isf, 1926)
-   Hong Kong Water Supply, 36
-Sennar Dam and the Gezira Irrigation Scheme, 36 (Supplement, January lsi5, 1926)
+Taf Fechan Water Supply Board, 36 Wakefield’s Ryburn Valley Scheme, 36 Works in Hand or in Contemplation, 36
-Singapore Water Supply from Johore, 37 Other Works Abroad, 37
--see Traditional Manufacture of,
+Hong Kong Water Supply, 36
-Armstrong, Professor H. E., Fuel Research, Report on the Coal Industry, 375, 524
+Sennar Dam and the Gezira Irrigation Scheme, 36 (Supplement, January ls£, 1926)
+Singapore Water Supply from Johore, 37
+Other Works Abroad, 37
+NTO] 441 rchite rmou:
+FAGASTA, Port of, Enlargements at, jctural—see Traditional
+r Plate, Manufacture of, Monsieur Bacle,
+rmstrong, Professor H. E., Fuel Research, Report on the Coal Industry, 375, 524
 ASSOCIATIONS, INSTITUTIONS & SOCIETIES:
 Association, British Acetylene and Welding :
-Notes on Welding of Aluminium, Edgar T. Painton, 189
+Notes on Welding of Aluminium, Edgar T. 'Painton, 189
 Association, British Waterworks :
-  Summer Meeting at Bristol, Programme, 649
+Summer Meeting at Bristol, Programme, 649
 Association, Diesel Engine Users’ :
 Heavy Oil Engine Installations, Geoffrey Porter, 277
 Industrial Tests of Internal Combustion Engines, W. A. Tookey, 437
 Specifications for Lubricating Oils for Use on Heavy Oil Engines, E. W. Johnston, 615
 Association of Engineers, Manchester :
-  Garratt Locomotive, R. H. Whitelegg, 392
-Association, Incorporated, Municipal Electrical ?
+Garratt Locomotive, R. H. Whitelegg, 392
+Association, Incorporated, Municipal Electrical :
 Industrial Electric Heating, A. P. M. Fleming and J. H. Crossley, 669
 Operating Costs of Electric Battery Vehicles C. W. Marshall, 668
 Presidential Address, R. B. Mitchell, 635
 Supplies to Outlying Districts, S. E. Britton, 635
 Thirty-first Annual Convention at Glasgow, 635, 668
 Institute, Iron and Steel:
-  Annual Meeting, 447, 600, 627
-  Coal-blending, D. Brownlie, 628
+Annual Meeting, 447, 600, 627
+Coal-blending, D. Brownlie, 628
 Effect of Mass in the Heat Treatment of Nickel Steel, Dr. W. Rosenhain and others, 628
 Hardening and Tempering of High-speed Steel, A. R. Page, 630
 Hardness of Carbon Steels at High Temperatures, I. G. Slater and T. H. Turner,' 629
-  List of Papers Taken as Read, 630
+List of Papers Taken as Read, 630
 Ratio of the Tensile Strength of Steel to the Brinell Hardness Number, R. H. Greaves and J. A. Jones, 630
 Autumn Meeting Programme, 447, 630
 Bessemer Gold Medal Award, 600
 Past and Future of the Steel Industry, Sir W. P. Rylands, 574, 583, 601
-  Programme, 447
+Programme, 447
 Report on the Heterogeneity of Steel Ingots, 528, 601
 Silicates in Steel Ingots, J. H. S. Dickenson, 528, 602
 Institute of Marine Engineers :
-Electric-hydraulic Steering Gear, Dr. Hele- Shaw and T. E. Beacham, 506
+Electric-hydraulic Steering Gear, Dr. Hele-Shaw and T. E. Beacham, 506
 Institute of Metals :
-  Annual Dinner, 293
+Annual Dinner, 293
 Annual and Extraordinary General Meeting, List of Papers, 222
 Annual Meeting, 222, 292, 317, 345
 Extraordinary Meeting, New Articles of Association, 346
-Aluminium-Copper-Tin Alloys, Dr. D. Stock- dale, 318
- Brittle Ranges of Bronze, W. L. Kent, 318 Constitution of the Alloys of Silver and Tin,
+Aluminium-Copper-Tin Alloys, Dr. D. Stock-dale, 318
-     A. J. Murphy, 345
+Brittle Ranges of Bronze, W. L. Kent, 318 Constitution of the Alloys of Silver and Tin,
+A. J. Murphy, 345
 Corrosion of an Ancient Tin Specimen, Professor C. O. Bannister, 346
 Crystal Growth in Recrystallised Metals, Dr. W. Feitknecht, 317
 Determination of Zinc Oxide in Brass, Dr.
-     B. S. Evans and Mr. N. F. Richards, 346
+B. S. Evans and Mr. N. F. Richards, 346
 Die Casting of Aluminium Alloys, George Mortimer, 292
 Hardness of Cold-rolled Copper, S. L. Hoyt and T. R. Schermerhorn, 292
 Influence of Gases at High Temperatures, A. Glynne Lobley and Douglas Jepson, 318
 Intermetallic Compounds, W. Hume-Rothery, 345
 Macrostructure of Cast Metals, R. Genders, 317
 Mechanical Properties of a Nickel-Copper Alloy, H. J. Tapsell and J. Bradley, 346
- Single Crystals of Metals, Sixteenth May Lecture, Professor H. C. H. Carpenter, 559 Soft Soldering of Copper, Dr. T. B. Crow, 318 Softening of Strain-hardened Metals, &c.,
-     R.	W. Bailey, 292
+Single Crystals of Metals, Sixteenth May Lecture, Professor H. C. H. Carpenter, 559 Soft Soldering of Copper, Dr. T. B. Crow, 318 Softening of Strain-hardened Metals, &c., R. W. Bailey, 292
 Striation Due to Working or Corrosion, Monsieur A. M. Portevin, 346,
 Institute of Physics :
 Relationship of Physics to Aeronautical Research, H. E. Wimperis, 613
 Institute of Transport:
-  Sixth Congress Programme, 468
+Sixth Congress Programme, 468
 Institution of Civil Engineers :
-  Annual Dinner, 293
+Annual Dinner, 293
 April Examinations, 1926, Pass List (Interim) and Associate Membership, 565
 Construction of a Breakwater Head at Madras, Colin Robert White, 464
-Conversazione, 640 ; Three Lectures, Models and other Exhibits, Compressed Air Machinery, Monel Metal Parts, Metal- lurgical Exhibits, Optophone for the Blind, Manometer, Ventilating and Displacement, Vertical Vibrograph and Stress Recorder, Fan Brake Dynamometer, Dust Counter, 640
-  Khyber Railway, Victor Bayley, 221
+Conversazione, 640 ; Three Lectures, Models and other Exhibits, Compressed Air Machinery, Monel Metal Parts, Metal-lurgical Exhibits, Optophone for the Blind, Manometer, Ventilating and Displacement, Vertical Vibrograph and Stress Recorder, Fan Brake Dynamometer, Dust Counter, 640
+Khyber Railway, Victor Bayley, 221
 Khyber Railway, Survey and Construction of, Colonel Gordon R. Hearn, 221
-  Limiting Stresses, Discussion, 472
-October Examinations, 1925, Pass List, 161 ASSOCIATION OF LONDON STUDENTS :
+Limiting Stresses, Discussion, 472
+October Examinations, 1925, Pass List, 161 Association of London Students :
 Caine Waterworks Company, Recent Improvements in the Works of, J. Kennard, 68
 Development of Harbour and Dock Engineering, Vernon-Harcourt Lecture, Sir Cyril Kirkpatrick, 24
 Driving a Cable Tunnel under the Thames, 242
-BIRMINGHAM AND DISTRICT ASSOCIATION :
-        JOINT MEETING :
+Birmingham and District Association :
+Joint Meeting :
 Road Transport and its Possible Developments, Papers by Major F. C. Cook, Mr.
-C. Owen Silvers, and Sir John Thorny- croft, and Discussion, 2’07, 208
-ASSOCIATIONS, INSTITUTIONS & SOCIETIES
+C. Owen Silvers, and Sir John Thorny-croft, and Discussion, 2’07, 208
-     (continued) :
+ASSOCIATIONS, INSTITUTIONS & SOCIETIES (continued) :
 Institution of Electrical Engineers :
-  American Switchgear, 192
+American Switchgear, 192
 Application of Machinery at the Coal Face, Sam Mavor, 444
 Design of Storage Battery Locomotives for Use in Mines, L. Miller, 444
 Electric Traction on the Orleans Railway, H.
-     Parodi, 408
-  Electricity in Mines, R. Nelson, 444
+Parodi, 408
-  Improvement of Power Factor, Edgar Wall
-     Dorey, 182
+Electricity in Mines, R. Nelson, 444
-  Semi-Jubilee Dinner, 130
-  Summer Meeting, 384
+Improvement of Power Factor, Edgar Wall
+Dorey, 182
+Semi-Jubilee Dinner, 130
+Summer Meeting, 384
 Testing Static Transformers, Lindley Thompson and H. Walmsley, 158
-          SOUTH MIDLAND CENTRE:
-     Joint Meeting on Road Transport, 207
+South Midland Centre :
-          WIRELESS SECTION :
+Joint Meeting on Road Transport, 207
+Wireless Section :
 Frequency Variations in Thermionic Generators, Lieut.-Colonel K. E. Edgeworth: 70
-Propagation of Radio Waves, J. Holling- worth, 192
+Propagation of Radio Waves, J. Holling-worth, 192
 Rugby Wireless Station, E. H. Shaughnessy, 448
 Institution of Engineers and Shipbuilders in Scotland :
-  Nobel Oil Engine, P. H. Wilson, 324
-  Werkspoor Marine Oil Engine, G. J. Lugt, 193
+Nobel Oil Engine, P. H. Wilson, 324
-Institution of Heating and Ventilating Engineers,
-  Summer Meetings, 621
+Werkspoor Marine Oil Engine, G. J. Lugt, 193
-  Preliminary Programme, 621
+Institution of Heating and Ventilating Engineers'
+Summer Meetings, 621
+Preliminary Programme, 621
 Institution, Junior, of Engineers :
 Commercial Aspect of Foundry Work, J. Wolstenholme, 130
 Lifting and Shifting Machinery, C. H. Woodfield, 306
 Pipework : Its Manufacture and Lay-out, G. H. Willett, 351
-Power Stations in U.S.A, in 1925, Honorary Member’s Lecture, W. H. Patchell, 224
-Tendencies in Modern Electric Practice, J. M. Seddon, 306
+Power Stations in U.S.A, in 1925, Honorary
+Member’s Lecture, W. H. Patchell, 224 Tendencies in Modern Electric Practice, J. M.
+Seddon, 306
 Institution of Mechanical Engineers :
-  High Efficiency Oil Engine, A. E. L. Chorlton.
-, 364, 394 ; (Letter), 363
+High Efficiency Oil Engine, A. E. L. Chorlton.
+, 364, 394 ; (Letter), 363
 Marine Oil Engines Trial Committee’s Report, 65
 Measurement of Cutting Temperatures, E. G.
- Herbert, 24, 238—see also North-Western Branch
+Herbert, 24, 238—see also North-Western Branch
 Modern Development of Paper Mill Plant, W. W. Beaumont and Leslie N. Burt, 462, 476
 Piston Temperatures and Heat Flow in High-speed Petrol Engines, Professor A. H. Gibson, 122
 Summer Meeting at Ipswich, 645
-Applications of Engineering to Agriculture, Frank Ayton, 645, 647
-Modern Flour Milling Machinery, Lieut.- Colonel F. W. Turner, 635, 645, 670
+Applications of Engineering to Agriculture, Frank Ay ton, 645, 647
-          MIDLAND BRANCH :
-     Joint Meeting on Road Transport, 207
+Modern Flour Milling Machinery, Lieub.-Colonel F. W. Turner, 635, 645, 670
-          NORTH-WESTERN BRANCH :
+Midland Branch :
+Joint Meeting on Road Transport, 207 North-Western Branch :
 Cutting Temperatures, E. G. Herbert, 225
-Marine Oil Engine Trials Committes’s Report, 134
+Marine Oil Engine Trials Committees Report, 134
 Some Mechanisms of Textile Machinery, W. A. Hanton, 296
 Institution of Mining Engineers :
 Scholarship, Travelling Post-Graduate, Offered, 361
 Institution of Municipal and County Engineers :
 Fifty-third Annual General Meeting and Conference, 506
 Meeting in the Scottish District, Programme, 561
 Institution of Naval Architects :
- Annual Meeting, 349, 379, 405 ; Report, 349 Annual Dinner, 351
- Comparative Freight Economics of a Cargo Vessel with Reciprocating and with Diesel Machinery, W. J. Lovett, 380
+Annual Meeting, 349, 379, 405 ; Report, 349 Annual Dinner, 351
+Comparative Freight Economics of a Cargo Vessel with Reciprocating and with Diesel Machinery, W. J. Lovett, 380
 Crane Equipment of Shipbuilding Berths, Ebenezer Smith, 406
 Experiments on Mercantile Ship Models in Waves, J. L. Kent, 381
 Experiments upon the Skin Friction of Smooth Surfaces, W. G. A. Perring, 381
-High-pressure Water-tube Boilers for Marine Purposes, Harold Yarrow, 405, 410, 411, 414
-  Launching Problems, W. J. Berry, 350
+High-pressure Water-tube Boilers for Marine
-  Method Used in H.M. Ships for Readily
-Correcting Heel and Trim, A. W. Cluett, 406
+Purposes, Harold Yarrow, 405, 410, 411, 414
-  Present Outlook for British Shipbuilding,
-     A. C. F. Henderson, 349, 362
+Launching Problems, W. J. Berry, 350
-  Propeller Dimension Formulae Based on Mr.
+Method Used in H.M. Ships for Readily Correcting Heel and Trim, A. W. Cluett, 406
+Present Outlook for British Shipbuilding, A. C. F. Henderson, 349, 362
+Propeller Dimension Formulae Based on Mr.
 R. E. Froude’s Model Screw Experiments, Professor C. M. Carter, 381
 Recent Modifications to Water-tube Boilers of the Three-drum Type, Engineer-Captain L. M. Hobbs, 405
 Ship Wave Resistance, Comparison of Mathematical Theory with Experimental Results, W. C. S. Wigley, 381
-  Spring Meetings, Programme, 296
-  Summer Meeting in Belgium, 588, 660, 672
+Spring Meetings, Programme, 296
+Summer Meeting in Belgium, 588, 660, 672
 Belgian Mercantile Marine, Monsieur A. Pierrard, 660
 Programme and List of Papers, 588
-Relative Efficiency of Turbine and Diesel Machinery, Sir John Biles, 660, 672
-Temperature Variation and Heat Stresses in Diesel Engines, Robert Sulzer, 379, 391
+Relative Efficiency of Turbine and Diesel Machinery, Sir John Biles, 660, 672 Temperature Variation and Heat Stresses in
+Diesel Engines, Robert Sulzer, 379, 391
 Institution, North-East Coast, of Engineers and Shipbuilders :
-  High-powered Oil Engines, W. S. Burn, 494
-  Electric Propulsion of Ships, Eskil Berg, 275
+High-powered Oil Engines, W. S. Burn, 494 Electric Propulsion of Ships, Eskil Berg, 275 What is Sea Speed ? Reginald J. Eyres, 392
-  What is Sea Speed ? Reginald J. Eyres, 392
 Institution, Royal, of Great Britain :
-       AFTER-EASTER SESSION :
+After-Easter Session :
 Friday Evening Discourses, List of Subjects and Speakers, 393
-Programme of General Courses of Lectures, 393
-ASSOCIATIONS, INSTITUTIONS & SOCIETIES (continued):
+Programme of General Courses of Lectures,
+ASSOCIATIONS, INSTITUTIONS & SOCIETIES
+{continued'):
 Institution of Water Engineers :
 Manchester Waterworks, 614 Programme, 450
-  Thirty-first General Meeting, 450, 617
+Thirty-first General Meeting, 450, 617
 Society, Faraday :
 Explosive Reactions in Gaseous Media, General Discussion, List of Papers, 633
 Explosive Reactions in Gaseous Media, 656
 I. Explosive Reactions, General Considera
-       tions :
-Explosion Wave in Cyanogen Mixtures, Dr. Colin Campbell and Professor H. B. Dixon ; Gaseous Explosions at High Initial Pressures ; Ignition Point of Gases, Professor H. B. Dixon and others ; Ionisation in Gas Explosions, W. E. Garner and S. W. Saunders ; Ionisation and Gaseous Explosions, S. C. Lind ; Radiation in Gaseous Explosions, Professor W. T. David ; Uniform Movement of Flame, Professor R. V. Wheeler and Dr. W. Payman, 657
+tions :
+Explosion Wave in Cyanogen Mixtures, Dr. Colin Campbell and Professor H. B. Dixon ; Gaseous Explosions at High Initial Pressures ; Ignition Point of Gases, Professor H. B. Dixon and others ; Ionisation in Gas Explosions, W. E. Garner and S. W. Saunders ; Ionisation and Gaseous Explosions, 8. C. Lind ; Radiation in Gaseous Explosions, Professor W. T. David ; Uniform Movement of Flame, Professor R. V. Wheeler and Dr. W. Payman, 657
 II. Explosive Reactions in Reference to Internal Combustion Engines :
 Combustion in Gas Engines, Professor W. T. David, 658
 Effect of Metallic Sols in Delaying Detonation in Internal Combustion Engines, Flight-Lieutenant C. J. Sims and Dr. E. W. Mardles ; Explosions in Petrol Engines, H. T. Tizard, 658
 Society, Newcomen :
 John George Bodmer and Mechanical Stoking, David Brownlie, 164
 Matthew Murray, G. F. Tyas, 268
 Society, Royal:
 Conversazione : Archimedian Loculus, Borehole Alignment Indicator, Pendulum Apparatus for Determinations of Gravity, Vibrations of an Autocar Illustration, Compression Tests on Aluminium Crystals, <k c., 633
 Society, Royal, of Arts :
 Propagation of Electric Waves, J. E. Taylor, 249
 Societies, Physical and Optical:
-  Exhibition, 37
+Exhibition, 37
 AUTOMATIC Superheating of Steam, 516 Axle-boxes—see Railway Locomotives
 Ayton, Frank, Applications of Engineering to Agriculture, 645, 647 ; (Letter), 673
 B
 BAILEY, R. W., Softening of Strain-hardened Metals, &c., 292
 Bakery, Large Electrically Driven, Kneaders, Moulders, Conveyors and other Plant, 294, 298
 Ballasting—see Railways
 Beaumont, W. Worby, and Leslie N. Burt, Modern Development of Paper Mill Plant, 462, 476, 505
 Belgium, Freight Rates in, 546
 Bending and Torsional Strains and Stresses in a Loaded Crank Shaft, H. Carrington, 520
 Benton, W. A., Some Aspects of Friction, 403, 430, 458
 Berg, Eskil, Electric Propulsion of Ships, 275
-Berry, W. J., Launching Arrangements of H.M. Ships Nelson and Rodney, 350
+Berry, W. J., Launching Arrangements of
+H.M. Ships Nelson and Rodney, 350
 Biles, Sir John, Steam versus the Diesel Engine, 660, 672
 Birmingham Trade Fair, Extension to, 80
 “ Black Spot,” The, 299
 Bodmer, John George, and Mechanical Stoking, David Brownlie, 164
 Boiler Design, Improvement in, 499 ; (Letter), 530
 Boiler, Oil-fired Yarrow Land Type, 274, 275
 Boiler, Producer Gas-fired, Wollaston Gas Producers, Ltd., 163
 Boiler Tests, Credibility of, 156
 Boiler, “ Thermax,” Ruston and Hornsby, Ltd., 248
 Boiler Water Conditioning, Dr. R. E. Hall, 223
 Boilers, High-pressure Water-tube, for Marine
 Purposes, Harold Yarrow, 405, 410, 411, 414, 587
 Boilers, Water Capacity of, 611
 Boilers, Water-tube, of the Three-drum Type, Recent Modifications to, Engineer-Captain L. M. Hobbs, 405
 Bombay, Back Bay Reclamation, 275
 Books of Reference, 107, 160, 252, 384, 411, 477, 547, 608, 661
-BRIDGES:
+BRIDGES :
 Highway, British Standard Unit Loading for, J. M. Liddell, 119
 Menai Straits Suspension, Centenary of, 133
 New, Over the Thames at Caversham, L. G.
-    Mouchel and Partners, 656, 666
-  Oswald-street, Glasgow, Construction of, W.
+Mouchel and Partners, 656, 666
-    L. Scott, 62
-  Reinforced Concrete, Wairoa River, N.Z., 94
+Oswald-street, Glasgow, Construction of, W.
-  Second Narrows, Vancouver, 409
+L. Scott, 62
+Reinforced Concrete, Wairoa River, N.Z., 94
+Second Narrows, Vancouver, 409
 Steel Swing, for Wallasey, Francis Morton and Co., Ltd., 276
 BRIDGE Flooring, Special Flanging Press for, Davy Brothers, Ltd., 674
 British Cement—see Works
 BRITISH ENGINEERING STANDARDS ASSOCIATION :
-  Specifications:
+Specifications :
 Corrugated Furnaces and Smoke Tubes for Marine Boilers, 293
 Ebonite for Radio Purposes, 95
 Genuine Dry White Lead, 351
 Genuine White Lead Oil Paste, 351
 Painting Materials, 351, 562
 Paints, White Spirit for, Turpentine for, Raw Linseed Oil for, 677
-    Railway Rails, 562
-    Reflector Fittings for Electric Lighting, 160
+Railway Rails, 562
-    Side Scuttles and Frames, 506
- Tables of Brinell Hardness Numbers, 562 Vulcanised Fibre and Pressboard for Elec
+Reflector Fittings for Electric Lighting, 160
-       trical Purposes, 95
+Side Scuttles and Frames, 506
+Tables of Brinell Hardness Numbers, 562 Vulcanised Fibre and Pressboard for Elec
+trical Purposes, 95
 BRITISH Railways—see Railways
 British Standard Unit Loading for Highway
-  Bridges, J. M. Liddell, 119
+Bridges, J. M. Liddell, 119
 Brittle Ranges of Bronze, W. L. Keat, 318
 Britton, S. E., Supplies to Outlying Districts, 635
 Brownlie, David, Coal Blending, 628
 Brownlie, David, on John George Bodmer and
-  Mechanical Stoking, 164
+Mechanical Stoking, 164
 Brugg Sub-station—see Railways, Foreign
 Burn, W. S., High-powered Oil Engines, 494, 534
 c
-CALENDARS, Diaries, &e., 27, 53, S3, 111, 197, 456
+CALENDARS, Diaries, Ac., 27, 53, 83, 111, 197, 456
 Calendering—see Linoleum in Subjects Index
 Calvert, Dr. H. T., Activated Sludge Process of Sewage Treatment, 267
 Canada, Water Power Resources of, 436
 Canadian Water Resources, 47
 Canal de Castilla Irrigation Schemes, 447
 Carnot Centenary, 128
 Carpenter, Professor H. C. H., Single Crystals of Metals, 559
 Carrington, H., Bending and Torsional Strains and Stresses in a Loaded Crank Shaft, 520
 Carter, Professor C. M., Propeller Dimension Formulae Based on Mr. R. E. Fronde’s Model Screw Experiments, 381
 Catalogues, 83, 111, 167, 255, 309, 337, 425, 481, 565, 593, 621, 651, 677
 Cements, Quick-hardening, 590
 Centenary of a Famous Bridge, 133
-Chadwick Public Lecture, Sewage Treatment, Activated kludge Process of, Dr. H. T. Calvert, 267
+Chadwick Public Lecture, Sewage Treatment, Activated Sludge Process of, Dr. H. T. Calvert, 267
 Chemists and Power Plant Problems, 612
 Chorlton, A. E. L., High-efficiency Oil Engine, 360, 364, 394 ; (Letters), 363, 412
 Chromium Plating, General Survey of, E. A. Ollard, 212
 Cluett, A. W., Method Used in H.M. Ships for Readily Correcting Heel and Trim, 406
 COAL, COKE AND COLLIERIES :
-  Coal Blending, David Brownlie, 628
-  Coal Commission, 322
+Coal Blending, David Brownlie, 628
+Coal Commission, 322
 Coal and Economies, 556 ; (Letters), 617, 649
 Coal Powdering Machine, Atomised Fuel and Engineering Company, 248
 Electric Winding Gear at Monceau-Fontaine Colliery, Belgium, 210, 211, 214
 Powdered Coal Plant at Dover, Lindley Duffield and Co., Ltd., 319
 Report on the Coal Industry, Professor Henry E. Armstrong, 375
-  Skip Hoisting at Coal Mines, 47
-  Wages Boards for the Coal Industry, 556
+Skip Hoisting at Coal Mines, 47
+Wages Boards for the Coal Industry, 556
 COMPARATIVE Performances of Air Heaters, 668
-Concrete—see Bridges, Reinforced, and Steel Concrete and Steel, Bond Between, 160 Congress of Chemists, Forty-fifth Annual Meeting, Co-operation of Numerous Societies, Programme, 646
+Concrete—see Bridges, Reinforced, and Steel
+Concrete and Steel, Bond Between, 160
+Congress of Chemists, Forty-fifth Annual Meeting, Co-operation of Numerous Societies, Programme, 646
 Consistency of Steam Tables, 272
-Contracts, 27, 57, 86, 111, 140, 167, 197, 230, 252, 278, 309, 337, 372, 425, 453, 48], 509, 540, 568, 596, 624, 651, 677
+Contracts, 27, 57, 86, 111, 140, 167, 197, 230, 252, 278, 309, 337, 372, 425, 453, 481, 509, 540, 568, 596, 624, 651, 677
 Contracts Secured by British Firms, 268
 Control of the River Scoltenna, 669
-Cork Jointing, Works, South Chingford, 271, 273
+Cork Jointing, Works, South Chingford, 271, 27 3
 Cork Mills, &c.—See Linoleum
 Cornish Mining, 465
-Corrosion of an Ancient Tin Specimen, Professor C. O. Bannister, 346
-Crane Equipment—see Ships
+Corrosion of an Ancient Tin Specimen, Professor
+C. O. Bannister, 346
+Crane Equipment-—see Ships
 Crane, “ Toplis,” l|-Ton Level Luffing Jib, Bedford Engineering Company, 589
 Cranes, Hydraulic Cargo, on the Motor Liner Asturias, Fullerton, Hodgart and Barclav, Ltd., 364
 Crank Shaft—see Bending Strains
 Creber, W. F. H., Manchester Waterworks, 614
 Crow, Dr. T. B., Soft Soldering of Copper, 318 Cruisers—see Ships, Naval
 Crystal Growth in Recrystallised Metals, Dr.
-  W. Feitknecht, 317
+W. Feitknecht, 317
 Current Prices for Metals and Fuels, 28, 58, 84, 112, 138, 168, 198, 228, 256, 282, 310, 338, 370, 398, 426, 454, 482. 510, 538, 566, 594, 622, 652, 678
 Cutting Temperatures, Apparatus for Measurement of, E. G. Herbert, 24, 225, 238, 245 ; (Letters), 276, 296
 D
-DAVIES, C. E. Sprea ” of Metal in Rolling, 598, 626
+-DAVIES, C. E. Sprea ” of Metal in Rolling, 598, 626                                   6
 Dawson, Sir Philip, and Professor S. Parker Smith, on Main Line Railway Electrification, 175
 Derrick, Self-slewing, H. Robb, Ltd., 163
 Design of Air Heaters, 300
-Dickenson, J. H. S., Distribution of Silicates in Steel Ingots, 602
+Dickenson, J. H. S., Distribution of Silicates in
+Steel Ingots, 602
 Die Casting of Aluminium Alloys, 292
 Distilling Plant for the Red Sea, Mirrlees
-   Watson Company, Ltd., 577
+Watson Company, Ltd., 577
 Dorey, Edgar Wall, Improvement of Power Factor, 182, 186
-E
-ECONOMISER, Future of the, 74 : (Letters) 95, 152	v h
+ECONOMISER, Future of the, 74 ; (Letters),
 Edgeworth, Lieut.-Colonel, Frequency Variations in Thermionic Generators, 70
 Education and the Employee, 640
 Education in the Gas Industry, F. W. Goodenough, 644
 Educational Intelligence, 54, 83, 197, 565
 ELECTRICAL MATTERS :
-     See also Annual Articles
-Alternating-current Pressure Regulators, 431, 459, 487, 516, 548—For details see Illustrated Index (Electrical Matters)
+See also Annual Articles
+Alternating-current Pressure Regulators, 431 459, 487, 516, 548—For details see Illustrated Index (Electrical Matters)
 ELECTRICAL MATTERS (continued):
 Alternating-current Switchgear, Brookhurst Switchgear, Ltd., 646, 647
 American Switchgear, 192
-Arc Welding Plant, Portable, Siemens - Schuckert, Ltd., 562
+Arc Welding Plant, Portable, Siemens -Schuckert, Ltd., 562
 Automatic Rotary Converter Sub-station, 218
-Binary Converter, New .Electrical, Mawds- ley’s, Ltd., 503
-BIRMINGHAM REPRESENTATIVE ELECTRICAL GOODS AT THE BRITISH INDUSTRIES FAIR, 260
+Binary Converter, New Electrical, Mawds-ley’s, Ltd., 503
+Birmingham Representative Electrical Goods at the British Industries Fair, 260
 Automatic Engine-driven Sub-station Plant, Austin Lighting Company and National Gas Engine Company, 263
 Mercury Vapour Rectifier, Hewittic, and Hackbridge Transformer, 260
 Model of Electrically Driven Winding Engine, Fraser and Chalmers, 262, 263
 Motors in Operation and Component Parts, Electric Welding Appliances, Electro-plating Apparatus, Filtering and Heating Apparatus, &c., 263
 Motors, Small, Collection of Varying Sizes, Exhaust Fans, Polishing and Grinding Motors, Manda Motors, Ltd., 261
 Oil-break Star-delta Motor Starter, Oil Circuit Breaker, 6600-Volt Starting Gear for Slip-ring Motor, George Ellison, 261 Pirelli Joint for High-pressure Cables, Method of Insulating and of Applying Paper Insulation to, Ferrule for Joining Large Cables, Pirelli General Cable Works, Ltd., 262
 Steel Works Motor, General Electric Company, 262, 263
 Transformer, 110,000-Volt, English Electric Company, 261
 Trucks, Elevating Platform, Electricars, Ltd., 260
 Cleaning Blast-furnace Gases by Electricity, 588
-Comparison of Power Stations, 387 10,000-Kilowatt Diesel Generator Set, Blohm und Voss and Siemens and Schuckert, 662 Electrical Distribution System at Hawarden Bridge Steel Works, 610, 613
-Electric Hydraulic Steering Gear, Dr. Hele- Shaw and T. E. Beacham, 506
+Comparison of Power Stations, 387
+,000-Kilowatt Diesel Generator Set, Blohm und Voss and Siemens and Schuckert, 662 Electrical Distribution System at Hawarden Bridge Steel Works, 610, 613
+Electric Hydraulic Steering Gear, Dr. Hele-Shaw and T. E. Beacham, 506
 Electric Motor Starting and Protection, 532
 Electric Storage Battery Locomotive Competition, 673
 Electric Traverser and Grab for Bar Shearing Machine, Craven Brothers, Ltd., 104, 105
-  Electricity in the Home, 354
-  Electricity in Mmes, 444
+Electricity in the Home, 354
-  Electricity Supply, 104, 327 ; (Letter), 384
-Exhibits, Various, at the Physical and Optical Societies’ Exhibition, 38
+Electricity in Mmes, 444
-Extensions to Lots-road Power Station, 273 Fuse, Improved Electric, t^ie “ Aeroflex,” 366 Heat Transmission Aspect of a Power Station, 416
+Electricity Supply, 104, 327 ; (Letter), 384
+Exhibits, Various, at the Physical and Optical
+Societies’ Exhibition, 38
+Extensions to Lots-road Power Station, 273 Fuse, Improved Electric, tfie “ Aeroflex,” 366 Heat Transmission Aspect of a Power Station, 416
 High-frequency Fatigue Tests, 434
 High-voltage Direct-current Testing Equipments, 658
 Induction Regulators—see Alternating Current
-Industrial Electric Heating, A. P. M. Fleming and J. H. Crossley, 669
+Industrial Electric Heating, A. P. M.
+Fleming and J. H. Crossley, 669
 Langerbrugge Power Station, 570, 582 (Two page Supplement, June 4th, 1926)
 Locomotives—see also Railway Locomotives Manchester Electricity Supply, 664 Measuring Small Fluid Pressures, An Electrical Method, H. A. Thomas, 88
-Miegebat Power Station, Midi Railwav, 376, 378
+Midgebat Power Station, Midi Railway, 376, 378
 Monceau-Fontaine Colliery, Belgium, Electric Winding Gear at, 210, 211, 214
 Motor Generators for the Rugby Wireless Station, British Thomson-Houston Company, Ltd., 40
-  Ontario, Electric Power for, 580
+Ontario, Electric Power for, 580
 Operating Costs of Electric Battery Vehicles, C. W. Marshall, 668
-  Petrol-electric Generator for Rail Car, 361
+Petrol-electric Generator for Rail Car, 361
 Power Factor, Improvement of, Edgar Wall Dorey, 182, 186
 Propagation of Electric Waves, J. E. Taylor, 249
-  Railways —see Railways
-  Rating of Generating Plant, 333
+Railways —see Railways
-  Shanghai, Electric Power in, 587
+Rating of Generating Plant, 333
+Shanghai, Electric Power in, 587
 Ships, Electric Propulsion of, Eskil Berg, 275
-Showrooms and Offices, Electrical, Metro- politan-Vickers Electrical Company, 464 Small Electric Lighting Sets, Austin Lighting Company, Chloride Electrical Storage Company, Crossley Brothers, Ltd., 206, 207
-Supplies to Outlying Districts, S. E. Britton, 635
+Showrooms and Offices, Electrical, Metropolitan-Vickers Electrical Company, 464 Small Electric Lighting Sets, Austin Lighting Company, Chloride Electrical Storage Company, Crossley Brothers, Ltd., 206, 207 Supplies to Outlying Districts, S. E. Britton, 635
 Testing Static Transformers, Lindley Thompson and H. Walmsley, 158
 Tests of Turbo-generator Sets, 603
 Trolley Omnibuses at Ipswich, Ransomes, Sims and Jefferies, 493
 Water Power for the Paris-Orleans Railway Electrification, 584
 Windmills for Generation of Electricity, 586 Wireless Matters—see Wireless Telegraphy ; also Annual Articles
 ELECTROMETER, Compton, Cambridge Instrument Company, 38
-Electro-pneumatic Power Hammer, 30-Cwt.,
-  B. and S. Massey, Ltd., 533
+Electro-pneumatic Power Hammer, 30-Cwt., B. and S. Massey, Ltd., 533
 ENGINES AND MOTORS :
-  See also Annual Articles
-  American Marine Oil Engine Trials, 477
+See also Annual Articles
+American Marine Oil Engine Trials, 477
 Asturias, R.M.P.S. Motor Liner, Engines of, Harland and Wolff, Ltd., 14, 17, 18, 79 240, 244
 Cold-starting Two-stroke Oil Engines, Babcock and Wilcox, Ltd., 247
 Comparative Freight Economies of a Cargo Vessel with Reciprocating and with Diesel Machinery, W. J. Lovett, 380
-Diesel Engine, 15,000 B.H.P. and 10,000- Kilowatt Three-phase Generator, Blohm and Voss, 662
-Double-acting Four-stroke Marine Oil Engine, 4000 B.H.P., North-Eastern Marine Engineering Company, Ltd., 554, 558, 559 Double-acting Two-cycle Marine Oil Engine, Richardsons, Westgarth and Co., Ltd., 494
+Diesel Engine, 15,000 B.H.P. and 10,000-
-ENGINES AND MOTORS (continued):
+Kilowatt Three-phase Generator, Blohm and Voss, 662
+Double-acting Four-stroke Marine Oil Engine, 4000 B.H.P., North-Eastern Marine Engineering Company, Ltd., 554, 558, 559
+Double-acting Two-cycle Marine Oil Engine, Richardsons, Westgarth and Co., Ltd., 494
+ENGINES AND MOTORS {continued) :
 Eight-cylinder Marine Oil Engine, Parsons Motor Company, Ltd., 447
 Gas Oil for Petrol Engines, Parsons Motor Company, Ltd., 412
 High-efficiency Oil Engine, A. E. L. Chorlton, 360, 364, 394 ; (Letters), 363, 412
 High-powered Oil Engines, W. S. Burn, 494, 534
-Horizontal 31 B.H.P. Oil Engine, 3 B.H.P. Enclosed Paraffin Engine with Dynamo, &c., for f to 1| Kilowatts Lighting Set; Single-cylinder Two-stroke Oil Engine with Scavenging Pump, Crossley Brothers, Ltd., 207
+Horizontal 31 B.H.P. Oil Engine, 3 B.H.P. Enclosed Paraffin Engine with Dynamo, &c., for $ to 1| Kilowatts Lighting Set; Single-cylinder Two-stroke Oil Engine with Scavenging Pump, Crossley Brothers, Ltd., 207
 Horizontal 66 H.P. Heavy Oil Engine, National Gas Engine Company, Ltd.; Small Lighting Sets, Austin Lighting Company and National Gas Engine Company, Ltd., 206
 Industrial Tests of Internal Combustion Engines, W. A. Tookey, 437
 Inertia Governor, A New, Ramsay, Jackson and Co., Ltd., 419
-Links in the History of the Steam Engine, 402 M.A.N. Double-acting Marine Oil Engine, 352, 353, 356, 382
+Links in the History of the Steam Engine, 402 M.A.N. Double-acting Marine Oil Engine,
+, 353, 356, 382
 Marine Oil Engines Trials Committee, Third Report, 65, 134 ; Extracts from Fourth Report, 576
 Marine Reverse Gear, Improved, Langdon Engineering Company (1924), Ltd., 616
 Nobel Oil Engine, P. H. Wilson, 324
 B.H.P. Oil Engine at Basingstoke, Mirrlees, Bickerton and Day, Ltd., 158 ; (Addendum), 197
 Oil Engine, 130 B.H.P., Ruston and Hornsby, Ltd., 248
 Oil Engines, Fielding and Platt, Ltd., 247
-Oil Engines, 100 B.H.P. and 5 B.H.P. with Special Fuel Oil Injection, Blackstone Company, Ltd., 207
-Petrol Engines, High-speed, Piston Temperatures and Heat Flow in, Professor A.
+Oil Engines, 100 B.H.P. and 5 B.H.P. with
-    H. Gibson, 122, 148
+Special Fuel Oil Injection, Blackstone Company, Ltd., 207
+Petrol Engines, High-speed, Piston Temperatures and Heat Flow in, Professor A. H. Gibson, 122, 148
 Petters, Ltd., Twin-cylinder Marine and other Engines, 247
 Portable Steam Engines at Brussels Exhibition, 242
 Six-cylinder Heavy Oil Engine, 300 B.H.P., L. Gardner and Sons, Ltd., 422
 Steam versus the Diesel Engine, Sir John Biles, 660, 672
-  Tangyes Oil Engines, 247
-Temperature Variation and Heat Stresses in Diesel Engines, Robert Sulzer, 379, 391, 420
+Tangyes Oil Engines, 247
+Temperature Variation and Heat Stresses in Diesel Engines, Robert Sulzer, 379, 391,
 Triple - expansion Waterworks Pumping Engine, Hathorn, Davey and Co., Ltd., 438, 439
 ,000 B.H.P. Two-cycle Double-acting Diesel Engine, Blohm and Voss, 134
 Two-stroke Crude Oil Engine, Crossley Brothers, Ltd., 108
 Vickers-Petters 100 H.P. Oil Engine, 247
-  Werkspoor Marine Oil Engine, 193
-ENGINE-ROOM—see Ships, Naval Matters Engineering in America and Great Britain, 127 ;
+Werkspoor Marine Oil Engine, 193
-  (Letter), 152
+ENGINE-ROOM—see Ships, Naval Matters
+Engineering in America and Great Britain, 127 ;
+(Letter), 152
 Engineering, Naval—see Ships, Naval Matters Engineering Plant at Olympia, 491
 A.C.E. Cube and other Concrete Mixers, “ Tonkin ” Mixer for Concrete and other Material, Australia Concrete Machinery Company, 492
 “ Cling Surface ” for Belt Dressing, Thomas and Bishop, Ltd., 493
 Combined Screening and Crushing Plant, Concrete Block-making and Mixing Machinery, Winget, Ltd., 491
-Concrete Mixer “ Roll,” the “ Exe ” Hoist Builders and Contractors’ Plant, Ltd., 491 492
-Concrete Mixers, John Fowler and Co. (Leeds), Ltd., 491
+Concrete Mixer “ Roll,” the “ Exe ” Hoist Builders and Contractors’ Plant, Ltd., 491
+Concrete Mixers, John Fowler and Co. (Leeds),
+Ltd., 491
 Hydraulic Block and Brick Moulding Machine, Edge-runner Mortar Mill, Stothert and Pitt, Ltd., 493
-“ Klippon ” Scaffolding Bracket, P. E. Helme and Co., 492
+“ Klippon ” Scaffolding Bracket, P. E.
+Helme and Co., 492
 Scaffolding, Tubular, Scaffix Scaffolding Ties, “ Conforms ” Steel Shuttering, &c., Scaffolding (Great Britain), Ltd., 493
-Sewage Purification Plant, Tuke and Bell, 492 Tubes, Brass and Copper, Yorkshire Copper Works, Ltd., 492
+Sewage Purification Plant, Tuke and Bell, 492
+Tubes, Brass and Copper, Yorkshire Copper Works, Ltd., 492
 Window Frames, Variety of, from Standardised Units, John T. Beacon Windows, Ltd, 492
-Esholt Sewage Works, New, Opening of, 530 Excavator, Oil-engine Driven Dragline, Ruston and Hornsby, Ltd., 418, 419
+Esholt Sewage Works, New, Opening of, 530 Excavator, Oil-engine Driven Dragline, Ruston
+and Hornsby, Ltd., 418, 419
 EXHIBITIONS :
 Agricultural Machinery at Brussels Exhibition, 242
-British Industries Fair, London and Birmingham, 80, 205, 247, 260
-Building Exhibition at Olympia, 472, 491 Electrical Exhibition at Osaka, 412 International Foundry Trades Exhibition, 630
+British Industries Fair, London and Bir
+mingham, 80, 205, 247, 260
+Building Exhibition at Olympia, 472, 491
+Electrical Exhibition at Osaka, 412
+International Foundry Trades Exhibition, 630
 International Road Congress and Exhibition, 494
 Leipzig, Technical Fair at, 286
 Paris Industrial Fair, 557
 Physical and Optical Societies’ Exhibition, 37 ; for Exhibits, see Various Headings.
 EXPERIMENTS upon the Skin Friction of Smooth Surfaces, W. G. A. Perring, 381
 Experiments—see also Ships
 Explosive Reactions in Gaseous Media. For List of Papers, see Associations, &c., Society Faraday
 Eyres, Reginald J., What is Sea Speed ? 392
 F
 FACTORY—see Works
 Fairs—see Exhibitions
-Feed Water—see Railway Locomotives
-Feitknecht, Dr. W„ Crystal Growth in crystallised Metals, 317
+Feed Water—see Rail-way Locomotives
+Feitknecht, Dr. W.» Crystal Growth in Re
+crystallised Metals, 317
 Finance and Industry in France, 417
+Firefloat, a Motor, Merry weather and Sons, 192
+Fish-plates—see Railways
 Flanging Press for Bridge Flooring, Davy Brothers, Ltd., 674
 Fleming, A. P. M., and J. H. Crossley, Industrial Electric Heating, 669
-Flour-milling Machinery, Lieut.-Colonel F. W.
-  Turner, 635, 645, 670
+Flour-milling Machinery, Lieut.-Colonel F. W Turner, 635, 645, 670
 Flow of Water through Soil, 315
 Fluctuations in Prices—see Annual Articles
-Forthcoming Engagements, 30, 60, 86, 114 140, 170, 200, 230, 258, 284, 312, 340, 372 400, 428, 456, 484, 512, 540, 568, 596, 624^ 654, 680
+Forthcoming Engagements, 30, 60, 86, 114 140, 170, 200, 230, 258, 284, 312, 340, 372’ 400, 428, 456, 484, 512, 540, 568, 596, 624’ 654, 680
 Founder of Technical Education, 70
-FOUNDRY EXHIBITS AT THE ROYAL AGRICULTURAL HALL : 630
-  Air Compressors, Broom and Wade, 633
+FOUNDRY EXHIBITS AT THE ROYAL
+AGRICULTURAL HALL :
+Air Compressors, Broom and Wade, 633
 Core-making Oils, Spermoline, Ltd., Beecroft and Partners, 632, 633
-Cupola Construction, Internationa'. Foundry Equipment Company, Pneu’.ec Machine Company, 633
+Cupola Construction, Internationa’. Foundry Equipment Company, Pneu’.ec Machine Company, 633
 Foundry Sand-preparing Machine, T. Ketin and R. Thiriart, 631
 High-speed Moulding Machine, Sand Sifter, and Sand Mill, Universal System of, Machine Moulding Company, 631, 632
 Jolt Moulding Machine, Hand-operated, Denbigh Engineering Company, 632
-  List of other Exhibitors, 633
+List of other Exhibitors, 633
 Magnetic Separator, Rapid Magnetting Company, 631, 632
 Mill for Mixing Sea Sand and Oil for Coremaking, Fordath Engineering Company 633
-  National Physical Laboratory Exhibits, 630
+National Physical Laboratory Exhibits, 630
 Pneumatic Sand Sifter, Britannia Foundry Company, 631
-Spark Arrester, Pneulee Machine Company 632, 633
+Spark Arrester, Pneulee Machine Company, 632, 633
 X-ray Examination of Metals, 630
 FREIGHT Rates in Belgium, 546
 FRENCH ENGINEERING NOTES :
-, 59, 85, 113, 139, 169, 199, 229, 257, 283
-, 339, 371, 399, 427, 455, 483, 511, 539*
+, 59, 85, 113, 139, 169, 199, 229, 257, 283
-, 595, 62-3, 653, 679
-  Advancing Costs, 113
+, 339, 371, 399, 427, 455, 483, 51], 539’
-  Advancing Prices, 455
-  Agricultural Engineering, 455
+, 595, 62-3, 653, 679
-  Alpine Railway, 113
-  Automatic Couplings, 139
+Advancing Costs, 113
-  Aviation, 623
-  Brest-Casablanca Cable, 595
+Advancing Prices, 455
-  Case-hardening, 483
-  Chambon Barrage, 595
+Agricultural Engineering, 455
-  Cheap Fuels, 679
-  Coal, 679
+Alpine Railway, 113
-  Coal Production, 85, 229
-  Coal Strikes, 483
+Automatic Couplings, 139
-  Colliery Industry, 427
-  Colonial Works, 29, 311
+Aviation, 623
-  Concrete Piling, 199
-  Continuous Brakes, 199, 653
+Brest-Casablanca Cable, 595
-  Credit Restrictions, 283
-  Currency Depreciation, 399
+Case-hardening, 483
-  Electric Vehicles, 567
-  Electrical Ploughing, 371
+Cham bon Barrage, 595
-  Electricity on the Farm, 371
-  Electricity Tariffs, 427
+Cheap Fuels, 679
-  European Commercial League, 311
-  Export Trade, 595
+Coal, 679
-  Ferry Boats, 229
-  Floating Docks, 229
+Coal Production, 85, 229
-  Flood Protection, 59, 139
-  Foreign Trade, 139, 257, 399
+Coal Strikes, 483
-  French Navy, 257
-  Fuel Economies, 283
+Colliery Industry, 427
-  Higher Import Duties, 169
-  Hydraulic Works, 567
+Colonial Works, 29, 311
-  Hydro-electric Plants, 595
-  Import Duties, 283	«
+Concrete Piling, 199
-  Import Tariffs, 399
-  Industrial Burdens, 169
+Continuous Brakes, 199, 653
-  International Steel Union, 567, 623
-  Iron and Steel Production, 199
+Credit Restrictions, 283
-  Iron and Steel Trades, 339
-  Joy Stick, 59
+Currency Depreciation, 399
-  Miners’ Wages, 139
-  Moto." Cars, 199
+Electric Vehicles, 567
-  Motor Fuels, 311, 455
-  Narrow-gauge Railways, 511
+Electrical Ploughing, 371
-  Naval Air Force, 169
-  Oil Borings, 539
+Electricity on the Farm, 371
-  Paris Sewage, 623, 653
-  Paris Water Supply, 455
+Electricity Tariffs, 427
-  Pig Iron Production, 539
-  Port of Nantes, 311
+European Commercial League, 311
-  Port of Rouen, 257
-  Power Alcohol, 113
+Export Trade, 595
-  Production Costs, 85
-  Public Works, 679
+Ferry Boats, 229
-  Rail Motors, 85
-  Rail Union, 29, 339, 427, 539
+Floating Docks, 229
-  Railway Accident, 59
-  Railway Progress, 511
+Flood Protection, 59, 139
-  Railway Rates, 399
-  Reparations and Public Works, 539
+Foreign Trade, 139, 257, 399
-  Rhine Canal, 653
-  Rhine-Rhone Canal, 511
+French Navy, 257
-  Rove Tunnel, 29, 623
-  Russian Trade, 483
+Fuel Economies, 283
-  Saigon Arsenal, 85
-  Scrap Iron, 113
+Higher Import Duties, 169
-  Seaborne Traffic, 339
-  Seaplane Trials, 283
+Hydraulic Works, 567
-  Selling Prices, 483
-  Shipbuilding, 113, 229
+Hydro-electric Plants, 595
-  Shipping, 339
-  Strikes in Belgium, 29
+Import Duties, 283        *
-  Suburban Traffic, 169
-  Tank Steamer, 539
+Import Tariffs, 399
-  The Situation, 511
-  Trade Future, 257
+Industrial Burdens, 169
-  Trade Outlook, 59, 567
-  Trade Restrictions, 653
+International Steel Union, 567, 623
-  Transalpine Railway, 59
-  Tunnel Ventilation, 427
+Iron and Steel Production, 199
-  Tunnelling the Vosges, 139
-  Wages and Production, 595
+Iron and Steel Trades, 339
+Joy Stick, 59
+Miners’ Wages, 139
+Moto? Cars, 199
+Motor Fuels, 311,. 455
+Narrow-gauge Railways, 511
+Naval Air Force, 169
+Oil Borings, 539
+Paris Sewage, 623, 653
+Paris Water Supply, 455
+Pig Iron Production, 539
+Port of Nantes, 311
+Port of Rouen, 257
+Power Alcohol, 113
+Production Costs, 85
+Public Works, 679
+Rail Motors, 85
+Rail Union, 29, 339, 427, 539
+Railway Accident, 59
+Railway Progress, 511
+Railway Rates, 399
+Reparations and Public Works, 539
+Rhine Canal, 653
+Rhine-Rhone Canal, 511
+Rove Tunnel, 29, 623
+Russian Trade, 483
+Saigon Arsenal, 85
+Scrap Iron, 113
+Seaborne Traffic, 339
+Seaplane Trials, 283
+Selling Prices, 483
+Shipbuilding, 113, 229
+Shipping, 339
+Strikes in Belgium, 29
+Suburban Traffic, 169
+Tank Steamer, 539
+The Situation, 511
+Trade Future, 257
+Trade Outlook, 59, 567
+Trade Restrictions, 653
+Transalpine Railway, 59
+Tunnel Ventilation, 427
+Tunnelling the Vosges, 139
+Wages and Production, 595
 FREQUENCY Variations, &c.—see Wireless 1 elegraphy
-FriCoiOn.’ S°me Aspects of, W. A. Benton, 403, 43U, 458
-FuTeLDilAobuting Gear’ Ruston and Hornsby, -Ltd., 608
+'Fr^AOr!’JOme AsP°('ts °f, w. A. Benton, 403, 430, 458
-Fuel Research, Report on the Coal Industry, Professor Henry E. Armstrong, 524
+Fuel Distributing Gear’ Ruston and Hornsby, -L-J LCL. 9 vUo
+Fue! Research, Report on the Coal Industry, Professor Henry E. Armstrong, 524
 Fuel Technology, 333
 Furnace Production, Requirements for, Metal
 • or Mineral, Gas-fire Hardening Shop, Gibbons Brothers, 248
 Furnaces and Combustion, 102 ; (Letter), 123
 Furnaces, Gas-fired, Incandescent Heat Company, Ltd., 248
 Fuse—see Electrical Matters
 G
 GAS Industry, Education in the, F. W. Goodenough, 644
 Gas Oil for Petrol Engines, Parsons Motor Company, Ltd., 412
 Gases at High Temperatures, Influence of, A.
-  Glynne Lobley and Douglas Jepson, 318
+Glynne Lobley and Douglas Jepson, 318
 Gasworks Structures, Electrically Welded, J. Newell Reeson, 252
 Gear Shaper, Super-accurate Production of Spur Gears on the Gear Shaper, H. Walker, 316
 Gear, Toothless, Garrard Gears, Ltd., 304
 Gearing—see Involute
 Gearing, Hydro-mechanical—see Ships
 Genders, R., Macrostructure of Cast Metals, 317
 General Strike, 527
 Geological Congress at Madrid, 78
 German Steel and Coal Trust, A New, 382
 Gibson, Professor A. H., on Piston Temperatures and Heat Flow in High-speed Petrol Engines, 122, 148
 Goggles, Protective Effect of, J. and R. Fleming, Ltd., 251
-Good, E. T., World Steel Trade and Britain’s Share, 149
-Goodenough, F. W., Education in the Gas Industry, 644
+I Good, E. T., World Steel Trade and Britain’s Share, 149
-Greaves, R. H., and J. A. J ones, Tensile Strength and Brinell Numbers, 630
+I Goodenough, F. W., Education in the Gas Industry, 644
+i Greaves, R. H., and J. A. J ones, Tensile Strength and Brinell Numbers, 630
 H
 HALL, Dr. R. E., on Boiler Water Conditioning, 233
 Hally, George, Electric Train Testing on the Metropolitan Railway, 514, 542
-Hammer, Power, 30-Cwt. Electro-pneumatic, B. and S. Massey, Ltd., 533
+[Hammer, Power, 30-Cwt. Electro-pneumatic,
+B. and S. Massey, Ltd., 533
 Harbour and Dock Engineering, Development of, Vernon-Harcourt Lecture, Sir C. Kirkpatrick, 24
 Harvey, William, Traditional Architectural Forms and their Structural Efficiency, 374
 Heat Transmission—see Electrical Matters
 Henderson, A. C. F., Outlook for Shipbuilding, 349, 362
 Herbert, E. G., Apparatus for Measurement of Cutting Temperatures, 24, 225, 238, 245 ; (Letters), 276, 296
 Heterogeneity, &c.—see Iron and Steel, Report on
 High Efficiency-^—see Engines
 Highway Bridges—see Bridges
 Hill, Captain G. T. R., Tailless Aeroplane, 463, 498, 501
-Hobbs, Engineer-Captain L. M., Recent Modifications to Water-tube Boilers of the Three- drum Type, 405
+Hobbs, Engineer-Captain L. M., Recent Modifications to Water-tube Boilers of the Three-drum Type, 405
 Hume-Rothery, W., Intermetallic Compounds, 345
 Hydraulic Cargo Cranes on the Motor Liner Asturias, Fullerton, Hodgart and Barclay, Ltd., 364
 Hydraulic Developments of the Midi Railway in the Ossau Valley, 376
 Hydraulic Governor, A New, Percy Pitman, 191
 Hydraulic Press, Double-action, Wm. Grice and Sons, 450
 Hydraulic Works in Sao Paulo, 334
 Hydro-electric Progress in Canada during 1925, 223
 Hydro-electric Supply, Swiss, Alfred R. .Sieveking, 519
 Hydro-mechanical Gear—see Ships
 I
 ILLUMINATION and Photometry, Glossary of Terms Used in, 79
 India, Reinforced Concrete Retaining Walls in, 390
 Indian Irrigation, 1921-1924, 388, 402
 Industrial Locomotives, Societe John Cockerill, 532
 Industry and Trade, 390
 Institutes and Institutions—see Associations
 Instruments, Various, at the Physical and
-   Optical Societies’ Exhibition, 38
+Optical Societies’ Exhibition, 38
 Internal Combustion Engines—see Engines
 Intermetallic Compounds, Researches on the
-   Nature, Properties, &c., of, W. Hume-
-   Rothery, 345
+Nature, Properties, &c., of, W. Hume-Rothery, 345
 International Geological Congress, 78
 International Road Congress and Exhibition, 494
-International Shipping Conference, 468
-International Tests—see Aeronautics
+International Shipping Conference, 468 International Tests—see Aeronautics
 Involute Internal Gearing, H. Walker, 146, 172
 IRON AND STEEL :
-   “ Bond between Concrete and Steel,” 160
-   British Steel, 583
+“ Bond between Concrete and Steel,” 160
+British Steel, 583
 Cleaning Blast-furnace Gases by Electricity, 588
-   Continental Production of Iron, 369
+Continental Production of Iron, 369
 German Iron and Steel Production in 1925, 157
 Hardening and Tempering of High-speed Steel, A. R. Page, 630
 Hardness of Carbon Steels at High Temperatures, I. G. Slater and T. H. Turner, 629
 International Iron and Steel Agreements, 408
-   Iron and Steel Production in 1925, 95
-   Light Alloys or Steel ? 528
+Iron and Steel Production in 1925, 95
+Light Alloys or Steel ? 528
 Mass, Effect of, in the Heat Treatment of Nickel Steel, Dr. W. Rosenhain and Others, 628
 Nickel-Copper Alloy, H. J. Tapsell and J. Bradley, 346
-Past and Future of the Steel Industry, Sir W. P. Rylands, 674, 583
-  Quenching, 216
+Past and Future of the Steel Industry, Sir W. P. Rylands, 574, 583
-   Report on the Heterogeneity of Steel Ingots,
+Quenching, 216
+Report on the Heterogeneity of Steel Ingots, 601
 IRON AND STEEL (continued):
-Safe Loads and Endurance of Steels under Repeated Bending Stresses, 130
+Safe Loads and Endurance of Steels under
+Repeated Bending Stresses, 130
 Sandviken, Steel Strip Rolling at, 466, 470
 Silicates and Steel Ingots, J. H. S. Dickenson, 602
-  Some Special Steels, Hadfields, Ltd., 407
-  Steel Rails Production in America, 504
+Some Special Steels, Hadfields, Ltd., 407
-Tensile Strength and Brinell Numbers, R. H. Greaves and J. A. Jones, 630
+Steel Rails Production in America, 504
+Tensile Strength and Brinell Numbers, R. H.
+Greaves and J. A. Jones, 630
 Ukrainian Iron and Steel Industry, Development of, 412
-United Steel Companies’ Works, Tar-distilling Plant, W. C. Holmes and Co., 68, 72
-World Steel Trade and Britain’s Share, E. T. Good, 149
+United Steel Companies’ Works, Tar-distilling Plant, W. C. Holmes and Co., 68, 72 World Steel Trade and Britain’s Share, E. T.
+Good, 149
 IRRIGATION—see also Indian
 Irrigation Schemes, Canal de Castilla, 447
 Irrigation Works, Van Ryneveld’s Pass, 54 Italy, Water Power in, 98
 J
 JOHNSTON, E. W., Lubricating Oils for Heavy
-  Oil Engines, 615
+Oil Engines, 615
 Jubilee of the Telephone, 636
 Jutland, Battle of, 545
 Jutland, Lessons of, 555
 K
 KENT, J. L., Experiments on Mercantile
-  Ship Models in Waves, 381
+Ship Models in Waves, 381
 Kent, W. L., Brittle Ranges of Bronze, 318
 Kershaw, John B. C., Air Pollution in English
-  Towns and Cities, 433 ; (Letter), 580
+Towns and Cities, 433 ; (Letter), 580
 L
 LANGERBRUGGE—see Electrical Matters
 Launches and Trial Trips, 54, 83, 137, 197, 309, 425, 509, 593, 621, 654
 Lawn Mower, Motor-driven, Dennis Brothers, 248
-LEADERS:
-—A Retrospect of, 15
+LEADERS.
-     Aeroplane and the Car, 16
-     Civil Engineering, 16
+—A Retrospect of, 15
-     Education, 16
-     Industry, 16
+Aeroplane and the Car, 16
-     Locomotives, 16
-     Marine Engineering, 15
+Civil Engineering, 16
-   Adhesives, 500
-   Agricultural Engineering, 128
+Education, 16
-   All-steel Passenger Rolling Stock, 472
-   “ Black Spot,” The, 299
+Industry, 16
-   British Steel, 583
-   Chemists and Power Plant Problems, 612
+Locomotives, 16
-   Coal and Economics, 556
+Marine Engineering, 15
+Adhesives, 500
+Agricultural Engineering, 128
+All-steel Passenger Rolling Stock, 472
+“ Black Spot,” The, 299
+British Steel, 583
+Chemists and Power Plant Problems, 612
+Coal and Economics, 556
 Comparative Performances of Air Heaters, 668
-   Comparison of Power Stations, 387
-   Credibility of Boiler Tests, 156
+Comparison of Power Stations, 387
-   Cutting Temperatures, 245
-   Design of Air Heaters, 300
+Credibility of Boiler Tests, 156
-   Dreadnought Anniversary, 155
-   Education and the Employee, 639
+Cutting Temperatures, 245
-   Electricity in Mines, 444
-   Electricity Supply, 101, 327
+Design of Air Heaters, 300
+Dreadnought Anniversary, 155
+Education and the Employee, 639
+Electricity in Mines, 444
+Electricity Supply, 101, 327
 Engineering in America and Great Britain, 127
-   Foreigr er on British Railways, 388
-   French Navy, 471
+Foreigrer on British Railways, 388
-   Furnaces and Combustion, 102
-   Future of the Economiser, 74
+French Navy, 471
-   General Strike, 527
+Furnaces and Combustion, 102
+Future of the Economiser, 74
+General Strike, 527
 Heat Transmission Aspect of a Power Station, 416
 Improvement in Boiler Design, 499
 Lessons of Jutland, 555
 Liberty of the Subject, 583
 Light Alloys or Steel ? 528
 Limiting Stresses, 472
-   Metallurgical Education, 45
-   Misunderstandings about Steam, 185
+Metallurgical Education, 45
-   Naval Construction, 443
-   Naval Engineers, 499
+Misunderstandings about Steam, 185
-   Navy Estimates, 271
-   New Cruisers, 215
+Naval Construction, 443
-   Power Factor, 186
-   Privately-owned Railway Wagon, 415
+Naval Engineers, 499
-   Quenching, 216
-   Railway Gear, 358
+Navy Estimates, 271
-   Rebuilding the German Navy, 639
-   Royal Naval Engineer Officers, 328
+New Cruisers, 215
-   Sixty Years Ago and To-day, 45
-   Status of Naval Engineer Officers, 357
+Power Factor, 186
+Privately-owned Railway Wagon, 415
+Quenching, 216
+Railway Gear, 358
+Rebuilding the German Navy, 639
+Royal Naval Engineer Officers, 328
+Sixty Years Ago and To-day, 45
+Status of Naval Engineer Officers, 357
 “ The Engine-room Department Never Fails,” 667
-   Too Many Institutions ? 272
-   Torsionmeters, 73
+Too Many Institutions ? 272
-   Variety in Design, 246
-   Wages Boards for the Coal Industry, 556
+Torsionmeters, 73
-   Water Capacity of Boilers, 611
+Variety in Design, 246
+Wages Boards for the Coal Industry, 556
+Water Capacity of Boilers, 611
 LEATHER for Belting, Chrome-tanned Heat Resisting, &c., Henry Beakbane, 249
 Leipzig, Technical Fair at, 286
 LETTERS FROM OUR OWN CORRESPONDENTS :
 England, North of, 26, 56, 82, 110, 136, 166, 196, 227, 254, 280, 308, 336, 368, 397, 424, 452, 480, 508, 536, 564, 592, 620, 650, 676
 Lancashire, 25, 54, 83, 109, 135, 166, 195, 225, 253, 279, 307, 335, 367, 395, 423, 451, 479, 507, 535, 563, 591, 619, 649, 676
 Midlands and Staffordshire, 25, 54, 81, 109, 135, 165, 195, 225, 253, 279, 307, 335, 367, 395, 423, 451, 479, 507, 534, 563, 591, 619, 649, 675
-Scotland, 27, 57. 82, 111, 137, 167, 196, 227, 255, 281, 308, 337, 369, 397, 425, 453, 481, 509, 537, 564, 592, 621, 651, 677
+Scotland, 27, 57. 82, 111, 137, 167, 196, 227, 255, 28], 308, 337, 369, 397, 425, 453, 481, 509, 537, 564, 592, 621, 651, 677
 Sheffield, 26, 56, 81, 110, 136, 165, 196, 226, 254, 280, 308, 336, 368, 396, 424, 452, 480, 508, 536, 564, 592, 620, 650, 676
 Wales and Adjoining Counties. 27, 57, 82, 111, 137, 167, 197, 227, 255, 281, 309, 337, 369, 397, 425, 453, 481, 509, 537, 565, 593, 621, 651, 677
-LITERATURE (continued):
+LETTERS TO THE EDITOR :
+Air Pollution, J. K. Best, 580 ; John B. C. Kershaw, 580
+Bats versus Mosquitoes, Henry Home, 617
+Boiler Design, Improvements in, H. Loftier, 530 ; G. R. Crammond, 580
+British Imports, Exports and Employment, W. T. Hudson, 123
+British Industries Fair, A. L. Johnson, 363
+British Locomotives, 1825 -1924 : No. XLIL, E. L. Ahrons, 42 ; John Poole, 9
+Business Situation in England, W. E. Bailey 124
+Choice of Steels for Engineering Work, J Mohn, 251 ; A. P. Hague, 384
+Coal and Economics, J. Golder, 617 ; Arthur Oates, 649
+Combustion Chambers for Pulverised Coal, Leonard Harvey, 123
+Commercial Airship. S. H. Phillips, 296
+Concrete Roads, W. A. Trevor Taylor, 363
+Consistency of Steam Tables, E. B. Wedmore 334
+Culture—see Training
+Cutting Temperatures, Edward G. Herbert, 276 ; Charles R. Darling, 296
+Ea' ly Steam Power in Agriculture, W. Worby Beaumont, 673
+Electric Vehicles Association, J. C. Elvy, 80
+Electricity Supply, J. F. Raggett, 384
+Empire Trade Expansion, Colonial Trade, 42
+Engineering in America and Great Britain, Bertram Austin, 152 ; W. Francis Lloyd, 152
+Engineering Foundation, E. Kilburn Scott 412
+Foreign Tool Steel, Safety First, 251
+Future of the Economiser, George Tansley, 95 ; A. I. Mieville, 152
+Gyratory Traffic, A. S. E. Ackermann, 580
+High-efficiency Oil Engine, S. F. C., 363
+Improved Steam Turbines, Daniel Adamson, 124
+Institution of Fuel Technology, Leonard Harvey, 334
+Jacob Perkins’ Engineering Works “To Let,” C. R. K., 363
+Lancashire Boiler, An Old, Wilson Boilermakers, Ltd., 124
+Limiting Factor, Stanley P. Christie, 412
+Locomotive Design, Charles J. Toth, 334
+Mercury Vapour Rectifiers, Hewittic Electric Company, Ltd., 80
+Microscopic Analysis of Fino Grits, J. S. Owens, 80
+Motor Trains, Wm. Hy. Robson, 531
+Petrol Engine Conversion, Patrick Gay, 251 ;
+Parsons Motor Company, 296
+Power Station Design, A. L. Masterman, 222
+Road Corrugations, Alfred Weale, 9 : Thos.
+H. Webster, 42
+Starting-up Steam Plants, H. D., 465, 531 ;
+A. Fleming Browne, 531
+Steam Locomotive, F. W. Dean, 95
+Super-accuracy, A. F. A., 384
+The Two James and the Two Stephensons, A. M. H. Solomon, 668
+Ton-miles and Piston Valves, J. G. H. Warren 80
+Torsion Meters, Geo. T. Pardoe, 95 ; Kelvin, Bottomley and Baird, Ltd., 222
+Training of Engineers, C. L. Bryant, 222, 334 (with Editorial Note) ; John D. Troup, 277 ; Hugh P. Vowles, 277 ;
+E. E. Simpson, 277 ; R. Opie, 296
+Unpublished Letter bv William James,
+S. J. A. Cotterell, 617
+Water-cooled Combustion Chambers, P. V. Vernon, 530
+Waterloo Bridge, E. W. Dickinson, 95 ;
+O. B. I. T., 465
+Whirling Speeds of Drum Rotors, P. Fearn, 222 ; T. M. Naylor, 277
+LIBERTY of the Subject, 583
+| Liddell, J. M., on British Standard Unit Loading for Highway Bridges, 119
+Light Alloys—see Alloys
+Limiting Stresses, 472
+LINOLEUM MACHINERY :
+, 116, 150, 180, 202, 232
+Calendering, &c., 150
+Cement, The, 90
+Cork Grinding, 116
+Inlaid Linoleum, 180
+Inlaid and Printed Linoleum, 202
+Mixing, 116
+Paint Making, 232
+Printed Linoleum, 203
+For Details—see Illustrations, Names and Subjects
+LITERATURE :
+Reviews :
+Applied Elasticity, S. Timoshenko and J. M. Lessells, 417
+Bats, Mosquitoes and Dollars, 156 ; (Letter), 617
+Beitrage zur Geschichte der Technik und Industrie, 1925, Conrad Matschoss, 103, 187
+Chemistry of the Drying Oils, R. S. Morrell and H. R. Wood, Volatile Solvents and Thinners, Noel Heaton, 473
+Economics of Carburetting and Manifolding,
+R. W. A. Brewer, 359
+English Brass and Copper Industries to 1800, H. Hamilton, 301, 444
+Geschicte des Eisens, Dr. Otto Johannsen, 39
+Industrial Applications of Coal Tar Products, H. M. Banbury and A. Davidson, 445
+Oil and Colour Chemistry Monographs : Cellulose Ester Varnishes, F. Sproxton, Blacks and Pitches, H. M. Langton, 103
+Oilfield Exploration and Development, A.
+Beeby Thompson, 102
+Railway Accidents, Legislation and Statistics, 1825-1924, H. Raynar Wilson, 74
+Smoke Problem of Great Cities, Sir Napier Shaw and J. S. Owens, 246
+Some Reminiscences: Seventy-five Years’ Work in Civil Engineering, Professor H. Adams, 216
+The Engineer and the Prevention of Malaria, Henry Home, 585
+Transmission Circuits for Telephone Communication, K. S. Johnson, 103
+LITERATURE {continued):
 Short Notices :
-Disease of Unemployment and the Cure, Sir E. W. Petter, 39, 157
-Electrical Precipitation, Sir Oliver Lodge, 103 Fuel Economy and Smoke Prevention, J. B.
+Disease of Unemployment and the Cure Sir E. W. Petter, 39, 157
-     C. Kershaw, 501
+Electrical Precipitation, Sir Oliver Lodge, 103
+Fuel Economy and Smoke Prevention, J. B.
+C. Kershaw, 501
 Fuel Oil Viscosity-Temperature Diagram, Lieut.-Commander G. B. Vroom, U.S. Navy, 417
-  Industrial Furnaces, W. Trinks, 417
-  Insulated Electric Cables, Vol. I., C. J.
+Industrial Furnaces, W. Trinks, 417
-     Beaver, 39
-  Loud Speakers, C. M. R. Balbi, 473
+Insulated Electric Cables, Vol. I., C. J.
-  Materials Testing: Theory and Practice,
-   J. H. Cowdrey and R. G. Adams, 124, 389 Modern Railway Signalling, M. G. Tweedie and T. S. Lascelles, 501
+Beaver, 39
+Loud Speakers, C. M. R. Balbi, 473
+Materials Testing : Theory and Practice,
+J. H. Cowdrey and R. G. Adams, 124, 389
+Modern Railway Signalling, M. G. Tweedie and T. S. Lascelles, 501
 Oscillographs, J. T. Irwin, 39
 Photo-electricity, Stanley Allen, 39
-Practical D.C. Armature Winding, L. Wolli- son, 39
+Practical D.C. Armature Winding, L. Wolli-son, 39
 Practical Road Engineering, H. E. Goldsmith, 216
-  Practical Surveying, G. W. Usill, 246, 445
-“ Proceedings ” of the Fourth International Congress of Refrigeration, 216
+Practical Surveying, G. W. Usill, 246, 445
-Processes of Flour Manufacture, Percy A. Amos, 157
-  Pyrometers, Ezer Griffiths, 246, 389
+“ Proceedings ” of the Fourth International
+Congress of Refrigeration, 216
+Processes of Flour Manufacture, Percy A.
+Amos, 157
+Pyrometers, Ezer Griffiths, 246, 389
 Science of Flight and its Practical Application, Vol. I., Captain P. H. Sumner, 473
 Surveying for Settlers, W. Crossley, 473 Waterworks Administration, W. H. Parsons, 301, 445
 Books Received :
-Advertisers’ ABC, 1926, T. B. Browne, Ltd., 557
-Annales des Fonts et Chauss6es, 585
+Advertisers’ ABC, 1926, T. B. Browne Ltd., 557
+Annales des Ponts et ChaussGes, 585
 Annales des Travaux Publics de Belgique, 473
-Annali dei Lavori Pubblici gia Giomale del Genio Civile, 74, 216, 473, 557, 669
+Annftli dei Lavori Pubblici gia°Giornale del Genio Civile, 74, 216, 473, 557, 669
 Annual Report of the Society of Chemical Industry, &c., 669
 Appareillage Electrique, P. Maurer, 557
-Association of British Engineers in the Argentine Republic, Journal, 1925, 473
-Ayrton, Hertha, 1854-1923, Evelyn Sharp, 417
+Association of British Engineers in the
-Beitrag zu den Grundlagen der Schnellsu- fenden Halbdieselmotoren, Dr.-Ing. Karl Buchner, 301
-   “ Bennis ” Standard Evaporation Tables,
+Argentine Republic, Journal, 1925, 473
-     G. A. Rossetti, 103
+Ayrton, Hertha, 1854-1923, Evelyn Sharp,
+Beitrag zu den Grundlagen der Schnellsu-fenden Halbdieselmotoren, Dr.-Ing. Karl Buchner, 301
+“ Bennis ” Standard Evaporation Tables, G. A. Rossetti, 103
 Birmingham Exchange Directory of Members, &c., 633
-   Book of the Light Car, E. T. Brown, 389
-   British Malaya, Handbook to, 1926, Captain
+Book of the Light Car, E. T. Brown, 389
-     R.	L. German, 612
-   Bulk Cargoes, A. C. Hardy, 557
+British Malaya, Handbook to, 1926, Captain
+R. L. German, 612
+Bulk Cargoes, A. C. Hardy, 557
 Bulletin of the Imperial Institute, Vol. XXIV., No. 1, 1926, 669
-Culvert’s Mechanics’ Almanac, 1926, F. Nasmith, 39
-Carburation et Carburateurs, L. Poincare, 246
+Culvert’s Mechanics’ Almanac, 1926, F.
+Nasmith, 39
+Carburation et Carburateurs, L. Poincare 246
 Cargo Handling at Ports, Brysson Cunningham, 585
 Central Electric Stations in Canada, 557
-Centrifugal Dryers and Separators, E. A. Alliott, 301
+Centrifugal Dryers and Separators, E. A.
+Alliott, 301
 Chemical Engineering and Chemical Catalogue, D. M. Newitt, 389
-Coal and Ash-handling Plant, J. D. Troup, 669
+Coal and Ash-handling Plant, J. D. Troup,
 Colliery Manager’s Pocket-book, 103
 Colliery Year Book, &c., 417
-Combustibles Inferieurs et de Remplace- ment, Pierre Appell, 557
- Combustion in Power Plant, T. A. Marsh, 389 Composition of Coal : Plant Cuticles in Coal, Safety in Mines Research Board, V. H. Legg and R. V. Wheeler, 124
+Combustibles InfGriours et de Remplace-ment, Pierre Appell, 557
-Concrete Year Book, O. Faber and H. L. Childe, 103
-Corrosion: Causes and Prevention, F. N. Speller, 669
+Combustion in Power Plant, T. A. Marsh, 389
- Cours de Thermodynamique, G. Bruhat, 359 Das Deutsche Warenzeichenrecht, Dr. W.
-     Pinzger and Dr. F. Heinemann, 389
+Composition of Coal : Plant Cuticles in Coal, Safety in Mines Research Board, V. H. Legg and R. V. Wheeler, 124
-   Der Behalterbau, Part I., E. Broschat, 669
-   Dictionary of Applied Chemistry, Vol. VI.,
+Concrete Year Book, O. Faber and H. L.
-   S.	Acid-Tetryl, Sir Edward Thorpe, 359 Dictionary of Costing, R. H. J. Ryall, 557 Die Entwickelung des Dieselmaschine, Professor R. Schottler, 359
+Childe, 103
+Corrosion: Causes and Prevention, F. N.
+Speller, 669
+Cours de Thermodynamique, G. Bruhat, 359
+Das Deutsche Warenzeichenrecht, Dr. W.
+Pinzger and Dr. F. Heinemann, 389
+Der Behalterbau, Part I., E. Broschat, 669
+Dictionary of Applied Chemistry, Vol. VI.,
+S. Acid-Tetryl, Sir Edward Thorpe, 359
+Dictionary of Costing, R. H. J. Ryall, 557
+Die Entwickelung des Dieselmaschine, Professor R. Schottler, 359
 Die Erfindung der Lokomotive und ihre Entwicklung in Oesterreich, Ing. F. X. Saurau, 301
-Die Technische Mechanik, Vol. II., Festig- heitslehre, M. Samter, 301
+Die Technische Mechanik, Vol. II., Festig-heitslehre, M. Samter, 301
 Diesel Maschinen, Vol. IL, 39
-Draught and Capacity of Chimneys, J. G. Mingle, 216
+Draught and Capacity of Chimneys, J. G.
+Mingle, 216
 Eclairage Electrique, P. Maurer, 103
 Electrical Contracting, H. Ayres Purdie, 669
-Electricity, Applied, S. Timoshenko and J. M. Lessells, 246
-Elementary Electrical Training, O. R. Randall, 473
+Electricity, Applied, S. Timoshenko and
-Elements of Motor Vehicle Design, C. T. B. Donkin, 669
-Elements of Reinforced Concrete Design,
+J. M. Lessells, 246
-     H. V. Crabtree, 157
+Elementary Electrical Training, O. R.
+Randall, 473
+Elements of Motor Vehicle Design, C. T. B.
+Donkin, 669
+Elements of Reinforced Concrete Design, H. V. Crabtree, 157
 Engineering Index, 1925, 585
 Engineers’ Year Book for 1926, 473
 Engines of High Output, H. R. Ricardo, 301
-English Clubs, A List of, 1926, E. C. Austen Leigh, 301
-Enlarged Heat Drop Tables, H. Moss and Professor H. L. Callendar, 246
+English Clubs, A List of, 1926, E. C. Austen
+Leigh, 301
+Enlarged Heat Drop Tables, H. Moss and
+Professor H. L. Callendar, 246
 Experiment to Determine Corrections to Sounding in River Gauging, P. Phillips, 216
 Fuel Oil Viscosity-temperature Diagram, Lieut.-Commander G. B. Vroom, 473
 Gas Engineers’ Pocket-book, H. O’Connor, 557
 Gas and Fuel Analysis for Engineers, A. H. Gill, 585
 Gayer’s Acreage Tables, A. F. Gayer, 473
 Handbuch der Schiffbau Industrie, Deutsche Wirtschafts Biicherei, 301
 H.M. Stationery Office Publications :
 Condor Engine, Series III., 417
 Hydrology and Ground Water, J. M. Lacy, 473
 Military Engineering, Vol. I., Mechanical Engineering, 359
-LITERATURE (continued'):
+LITERATURE (continued):
 Books Received (continued):
-H.M. Stationery Office Publications (con- tinued):
+H.M. Stationery Office Publications (continued) :
 Reports, Economic and Industrial Conditions :
-       Argentine Republic, H. O. Chalkley, 246
+Argentine Republic, H. O. Chalkley, 246
 Belgium and Grand Duchy of Luxemburg, Economic Situation in, J. Picton Bagge, 58
-       Food Investigation Board, 1924, 124
-       France, J. R. Cahill, 39
+Food Investigation Board, 1924, 124
-       India, T. M. Ainscough, 103
-       Morocco, Algeria, Tunisia, Cyrenaica, 103
+France, J. R. Cahill, 39
-       Paraguay, F. W. Paris, 157
-       Venezuela, H. A. Hobson, 124
+India, T. M. Ainscough, 103
-    Water Transport Catalogue of the Science
-       Museum, 557
+Morocco, Algeria, Tunisia, Cyrenaica, 103
-  Hiitte Taschenbuch der Stoffkunde, Dr.-Ing.
-    A. Stauch, 246
+Paraguay, F. W. Paris, 157
-  Hydraulics : Gauging of Sewage Flows, &c.,
-    T.	Barlow, 359
+Venezuela, H. A. Hobson, 124
+Water Transport Catalogue of the Science
+Museum, 557
+Hiitte Taschenbuch der Stoffkunde, Dr.-Ing.
+A. Stauch, 246
+Hydraulics : Gauging of Sewage Flows, &c.,
+T. Barlow, 359
 “ Ice and Cold Storage ” Trades Directory, 103
-If I were a Labour Leader! Ernest J. P.
-    Benn,669
+If I were a Labour Leader 1 Ernest J. P.
+Benn, 669
 Illustrated Technical Dictionaries, Weaving and Woven Fabrics, A. Schlomann, 301 Industrial Arts Index, H. W. Wilson Company, 633
-Industrial Furnaces, Vol. II., W. Trinks, 389 International Review of the Science and
-    Practice of Agriculture, 557
+Industrial Furnaces, Vol. II., W. Trinks, 389
-  Journal of the Institute of Metals, G. Shaw
-    Scott, 216
+International Review of the Science and
-Kelly’s Directory of the Merchants, Manufacturers and Shippers of the World, 669 Laboratory Experiments for the Engineering Student, H. Threfall, 157
-  Law Relating to Injuries to Workmen, F. G.
+Practice of Agriculture, 557
-    Neave, 669
-  L’Enseignement Technique, Bulletin
+Journal of the Institute of Metals, G. Shaw
-    Mensuel, &c., 301, 557
-  Les Moteurs & Explosion, E. Marcotte, 557
+Scott, 216
-  Les Progres de la Fonderie : Moulage et
-    Fusion, C. Derulle, 669
+Kelly’s Directory of the Merchants, Manufacturers and Shippers of the World, 669
-  Locomotive Superheating and Feed-water
-    Heating, 557
+Laboratory Experiments for the Engineering Student, H. Threfall, 157
-  Locks and Lockmaking, F. J. Butler, 669
-  Marine Oil Engine, Questions for B.O.T.
+Law Relating to Injuries to Workmen, F. G.
-    Examinations on, W. C. MacGibbon, 246
-  Mass Production Equipment, P. Gates, 103
+Neave, 669
-  Mathematics for Engineers, Parts I. and II..
-    W. N. Rose, 473
+L’Enseignement Technique, Bulletin
-  Mechanical Draught, J. E. Lister and C.
-    Harman Harris, 669
+Mensuel, &c., 301, 557
-  Mechanical World Electrical Pocket-book, 157
-  Metal Spraying, T. H. Turner and N. F.
+Les Moteurs a Explosion, E. Marcotte, 557
-    Budgen, 301
-  Mines, The (Working Facilities and Support
+Les Progres de la Fonderie : Moulage et Fusion, C. Derulle, 669
-    Act, 1923), 246
-Ministry of Public Works, Egypt, Lake Plateau Basin of the Nile, Dr. H. E. Hurst, 39
+Locomotive Superheating and Feed-water i
+Heating, 557
+Locks and Lockmaking, F. J. Butler, 669
+Marine Oil Engine, Questions for B.O.T.
+Examinations on, W. C. MacGibbon, 246
+Mass Production Equipment, P. Gates, 103
+Mathematics for Engineers, Parts I. and II.,
+W. N. Rose, 473
+Mechanical Draught, J. E. Lister and C.
+Harman Harris, 669
+Mechanical World Electrical Pocket-book, 157
+Metal Spraying, T. H. Turner and N. F.
+Budgen, 301
+Mines, The (Working Facilities and Support Act, 1923), 246
+Ministry of Public Works, Egypt, Lake Plateau Basin of the Nile, Dr. FI. E. Hurst, 39
 Modern Drying Machinery, H. B. Cronshaw, 301
 Modern Telpherage and Ropeways, Herbert
-    Blyth, 669
-  Motor Boat and Marine Motor Annual, 557
+Blyth, 669
-  Motor Ship Reference Book, 1926, 301
+Motor Boat and Marine Motor Annual, 557
+Motor Ship Reference Book, 1926, 301
 Original Book of the Ford, R. T. Nicholson, 669
 Ouroboros or the Mechanical Extension of
-    Mankind, Garet Garrett, 557
-  Outbreaks of Fire, Sydney Gompertz, 669
+Mankind, Garet Garrett, 557
-  People’s Year Book, 1926, 39
-  Piasterwork Construction, G. P. and G. E.,
+Outbreaks of Fire, Sydney Gompertz, 669
-    Blankart, 301
-  Portland Cement and Concrete, Making and
+People’s Year Book, 1926, 39
-    Testing of, 557
-  Powering of Ships, T. C. Tobin, 557
+Piasterwork Construction, G. P. and G. E.,
-  Practical Electricians'' Pocket Book, 157
-    Practical Engineer ” Electrical Pocket
+Blankart, 301
-    Book, 1926, Conrad Arnold, 124
+Portland Cement and Concrete, Making and
+Testing of, 557
+Powering of Ships, T. C. Tobin, 557
+Practical Electricians'' Pocket Book, 157
+Practical Engineer ” Electrical Pocket
+Book, 1926, Conrad Arnold, 124
 “ Practical Engineer ” Mechanical Pocket Book, 103
-Practical Lessons in Carpentrv and Joinery, G. Ellis, 669
+Practical Lessons in Carpentrv and Joinery,
+G. Ellis, 669
 Practical Marine Diesel Engineering, L. R.
-    Ford, 103
-  Practical Saw Doctor, R. W. Todd, 301
+Ford, 103
+Practical Saw Doctor, R. W. Todd, 301
 Principles of Electric Power Transmission and Distribution, L. F. Woodruff, 359
 Principles and Practice of Surveying, C. B.
-    Breed and G. L. Hosmer, 585
+Breed and G. L. Hosmer, 585
 “ Proceedings ” of the American Society of Civil Engineers, 557
-   “ Proceedings ” of the American Society for
-    Testing Materials, Vol. XXV., 389
+“ Proceedings ” of the American Society for
-  Profit-sharing, M. E. Askwith, 359
-  Public Ground-water Supplies in Illinois, 557
+Testing Materials, Vol. XXV., 389
+Profit-sharing, M. E. Askwith, 359
+Public Ground-water Supplies in Illinois, 557
 Quantum Theory of the Atom, G. Birtwistle, 301
-   Radio Press Year-book, 1926, 301
+Radio Press Year-book, 1926, 301
 Refrigeration, Introduction to, H. C. Kenn, 473
 Reid’s Handy Colliery Guide and Directory, 389
 Report of the Bridge Sub-committee on Track Stresses.. 1925, 585
-   Secret of High Wages, B. Austin and W.
-     Francis Lloyd, 389
+Secret of High Wages, B. Austin and W.
+Francis Lloyd, 389
 Self-instruction for Students in Gas Supply, “ Mentor,” 246
 Sell’s Directory of Registered Telegraphic Addresses, 359
-   Specification, F. Chatterton, 359
+Specification, F. Chatterton, 359
 Stainless Iron and Steel, J. H. G. Monypenny, 557
 Stars and their Uses, E. B. Leggett, 39
-   Steam Turbines, G. Belluzzo, 633
+Steam Turbines, G. Belluzzo, 633
 Stress Analysis of Bow Girders, 473
 Studies of Bond between Concrete and Steel, 216
 Superheat Engineering Data, 612
 Surface Water Supply of Canada : Atlantic
-     Drainage, &c., 1922-3, 1923-4, 74
-   Surveying, W. N. Thomas, 612
+Drainage, &c., 1922-3, 1923-4, 74
-   Sweden Year Book, 1926, 669
+Surveying, W. N. Thomas, 612
+Sweden Year Book, 1926, 669
 Technical Conference of State Utility Commission Engineers, 216
 Technisches Worterbuch, Ausdriicke des Maschinen-und Schiffbaues, Erich Krebbs, 557
 Technology Reports of the Tohoku Imperial University, 157
 The Engineer and Prevention of Malaria, Henry Home, 417
 The “ Express ” per Gross and per Dozen Reckoner, J. Gall Inglis, 301
+LITERATURE (continued'):
+Books Received (continued):
+Theoretical Phvsics, Introduction to, Vol. II., A. Haas, 246
+Theory and Practice of Radio Frequency Measurements, E. B. Moullin, 669
+Thirty-eighth Annual Report of the Incorporated Swansea Exchange, 669
+“ Transactions ’’ of the Engineering Association of Malaya, 1924, 417
+“ Transactions ” of the Institution of Engineers, Australia, 359
+Transport and Handling of Mineral Acids, F. Hirsch, 669
+Turbo-blowers and Compressors, W. J. Rear ton, 103
+Uber die Natur der Elek tri zi tab, Leo Gilbert, 301
+Union des Ingenieurs Sortis des Ecoles Speciales de Louvain, Bulletin, 103
+Universal Directory of Railway Officials, 1926, 612
+Use of Sodium Silicate for Sizing of Paper,
+T. E. Blasweiler, 633
+Vibrations in Engines and Mach nery, A. T.
+J. Kersey, 216
+Way to the Smokeless City, W. H. Casmey and Sir E. Hoyle, Bart., 359
+Year Book and Directory of the South African Mining and Engineering Journal, 1926, S. R. Potter, 389
+Year Book of Wellington Harbour Board, New Zealand, 417
+Zerkleinerungsvorrichtungen und Mahlan-lagen, Carl Naske, 669
+LLOYD’S Register—see Ships
+Lobley, A. Glynne, and Douglas Jepson, on Influence of Gases at High Temperatures, 318 Locomotive, Electric Storage Battery, Competition, 673
+Locomotives, Industrial Societe J ohn Cockerill, 532
+Locomotives—see also Railway Locomotives ; also Annual Articles, Steam Locomotives.
+Lovett, W. J., Comparative Freight Economics of a Cargo Vessel with Reciprocating and with Diesel Machinery, 380
+Low-temperature Carbonisation and Power Generation, 236
+Lubricating Oil Depot, at Wandsworth, Vacuum Oil Company, Ltd., 526, 531
+Lubricating Oils for Use on Heavy Oil Engines, E. W. Johnston, 615
 M
-MACHINE TOOLS:
+MACHINE TOOLS :
 Automatic Lathe, Improved, Alfred Herbert, Ltd., 278
 Boring and Turning Mill, Vertical, Selson Engineering Company, Ltd., 474, 475
 Change-speed Gear, Expanding Pulley, Barker and Co., 249
 Grinding Attachment for Heavy Lathes, Herbert Hunt and Sons, 422
 Hexagon Turret Lathe, Improved, Alfred Herbert, Ltd., 642
 Improved Thread-milling Machine, Buck and Hickman, Ltd., 578
 Leipzig Fair Machine Tool Hall, Extensive and Varied Exhibits of Machines, chiefly in Motion, 286, 287
 Milling Cutters, High Power, Inserted Tooth, &c., Brooke Tool Manufacturing Company, Ltd., 249
 Milling Cutters, High Power, Side and Face Cutter, Heavy Milling Operation, Alfred Herbert, Ltd., 249
 Multiple Bar Shearing Machine, De Bergue and Co., Ltd., 100, 104, 105
 Presses for Plastic Material or Hot Brass, Taylor and Challen, Ltd., 206
-Testing Machine, Multiple-lever Universal, Joshua Buckton and Co.; Ltd., 442, 446
-MACNICOLL, Donald, Marine Turbine Governing and Forced Lubrication Failure Control, 266
+Testing Machine, Multiple-lever Universal, Joshua Buck ton and Co.; Ltd., 442, 446
+MacNICOLL, Donald, Marine Turbine Governing and Forced Lubrication Failure Control, 266
 Macrostructurc of Cast Metals, R. Genders, 317
 Madras, Construction of a Breakwater Head at, Colin R. White, 464
 M.A.N. Engine—see Engines
-Manchester—sec Water Supply
+Manchester—see Water Supply
 Mangnall-Irving System of Thrust Boring, 521, 522, 523
 Marine Engines—see Engines ; also Annual Articles
 Marine Gear—see Engines ; also Annual Articles
 Marine Turbine Governing and Forced Lubrication Failure Control, Donald MacNicoll, 266
 Marshall, C. W., Operating Costs of Electric Battery Vehicles, C. W. Marshall, 668
 Measuring Small Fluid Pressures, An Electrical Method, H. A. Thomas, 88
 Mechanical Engineering Exhibits, Various, 249 Metal Aeroplane—see Aeronautics
 Metals, Single Crystals of, Professor H. C. H.
-  Carpenter, 559
+Carpenter, 559
 Metallurgical Education, 45
 Milling Machines—see Machine Tools
 Mineral Productions of New South Wales i.i 1925, 464
 Mines and Quarries, U.S.A., Safety Working in, 562
 Misunderstandings about Steam, 185
 Mixing Machines—see Linoleum
-Monceau-Fontaine—see Electrical Matters ; also Coal, &c.
+Monceau-Fontaine—see Electrical Matters ; also Coal, Ac-
 Mortimer, George, Die Casting of Aluminium Alloys, 292
 Multiple Bar Shearing and Handling Equipments, 100, 104, 105
 Murday Type Traction Recorder, 515
 Murphy, Silver and Tin Alloys, 345
 Murray, Matthew, G. F. Tyas, 268
 N
 NAVAL Matters—see Ships
-Naylor, T. M., Whirling Speeds of Drum Rotors, 89 ; (Letters), 222, 277
+Naylor, T. M., Whirling Speeds of Drum Rotors.
+; (Letters), 222, 277
 New South Wales Mining Industry, 289
 Newcomen Society—see Associations
+OBITUARY :
+Ahrons, Ernest Leopold, 416
+Bailie, John David, 74
+Boswell, Samuel, 12
+Carlisle, The Right Hon. Alexander Montgomery (Portrait), 300
+Daniel, John, 348
+Folland, Henry, 388
+Fraser, Gordon H., 191
+Herdt, Louis Anthyme, 501
+Hird, Francis, 388
+Holmes, Sir George (Portrait), 209
+Hoyle, James Rossiter (Portrait), 328
+Johnson, Claude Goodman, 444
+Leslie, Sir Bradford (Portrait), 347
+Lloyd, Arthur Llewellyn, 417
+Moilliet, Georges, 577
+Murphy, Martin, 156
+Pickles, George, 428
+Riley, R. Sanford, 577
+Ward, Thomas W., 191
+Watts, Sir Philip (Portrait), 329
+Windsor, Cecil Stanley, 12
-OBITUARY :
-  Ahrons, Ernest Leopold, 416
-  Bailie, John David, 74
-  Boswell, Samuel, 12
-  Carlisle, The Right Hon. Alexander Mont
-     gomery (Portrait), 300
-  Daniel, John, 348
-  Folland, Henry, 388
-  Fraser, Gordon H., 191
-  Herdt, Louis Anthyme, 501
-  Hird, Francis, 388
-  Holmes, Sir George (Portrait), 209
-  Hoyle, James Rossiter (Portrait), 328
-  Johnson, Claude Goodman, 444
-  Leslie, Sir Bradford (Portrait), 347
-  Lloyd, Arthur Llewellyn, 417
-  Moilliet, Georges, 577
-  Murphy, Martin, 156
-  Pickles, George, 428
-  Riley, R. Sanford, 577
-  Ward, Thomas W., 191
-  Watts, Sir Philip (Portrait), 329
-  Windsor, Cecil Stanley, 12
 OIL Cooler, Reliance Manufacturing Company, Ltd., 162
 Oil Engines—see Engines ; also Annual Articles
 Oils—see also Lubricating
-Omnibuses, Electric Trolley, at Ipswich,
-  Ransomes, Sims and Jefferies, 493
+Omnibuses, Electric Trolley, at Ipswich, Ransomes, Sims and Jefferies, 493
 Oswald-street Bridge, Glasgow, W. L. Scott, 62
+p
+PAGE, A. R., Hardening and Tempering of High-speed Steel, 630
+Painton, Edgar T., on Welding of Aluminium, 189
+Paper Mill Plant, Modern Development of, W. W. Beaumont and Leslie N. Burt, 460, 476, 505
+Paper Pulp in France, 645
+PATENT SPECIFICATIONS, BRITISH :
+Aeronautics, 29, 139, 653
+Building, 140, 284
+Condensers and Feed-water Heaters, 229, 427, 567
+Dynamos and Motors, 29, 85, 113, 139, 169, 199, 229, 311, 339, 371, 399, 455, 483, 511, 623, 679
+Electrical Appliances, 29, 199, 567, 653
+Engines, Internal Combustion, 199, 229, 283, 399, 427, 511, 539, 595, 623, 653, 679
+Engines, Steam, 139
+Furnaces, 114, 283, 339, 596, 653, 680
+Gas Producers, 483
+Lighting and Heating, 539
+Locomotives, 139, 653
+Machine Tools and Shop Appliances, 30, 85, 230, 257, 456, 539, 653, 680
+Measuring and Testing Instruments, 60, 85, 113, 339, 400, 427, 456, 512, 679
+Metallurgy, 170, 199
+Mining Machinery, 371
+Miscellaneous, 30, 86, 114, 140, 170, 200, 230, 258, 284, 312, 340, 372, 400, 428, 484, 512, 540, 568, 596, 624, 654
+Motor Cars and Road Traffic, 140, 311
+Pumping and Blowing Machinery, 139, 257, 340, 680
+Ships and Boats, 230, 481, 539, 596
+Steam Generators, 59, 169, 283, 371, 483, 567 Switchgear, 59, 170, 229, 427, 511, 653, 679 Telegraphs and Telephones, 59, 113, 139,
+, 257, 283, 311, 339, 371, 399, 455, 483, 512, 595, 679
+Tramways and Railways, 86, 257, 539, 596
+Transformers and Converters, 29. 59, 85, 257, 311, 339, 427
+Transmission of Power, 60, 85, 199, 339, 399, 567, 623
+Turbine Machinery, 29, 85, 229, 371, 455, 595
+Water Purification, 400
+Welding, 230, 340, 540
+PELTON Wheel, 3 B.H.P., with New Type Governor and Deflector, Percy Pitman, 191
+Perring, W. G. A., Experiments upon the Skin Friction of Smooth Surfaces, 381
+Personal and Business Announcements, 27 54, 83, 114, 137, 167, 197, 222, 309, 337, 369, 393, 425, 453, 484, 509, 540, 565, 624, 651, 680
+Petrol-electric Rail Car, American, 361
+Photographing Explosion Pressure Waves, 320
+Physical and Optical Societies’ Exhibition, 37
+Physics, Relationship of, to Aeronautical Research, H. E. Wimperis, 613
+Pierrard, Monsieur A., Belgian Mercantile Marine, 660
+Piston Temperatures, Professor A. H. Gibson. 148
+Pitot-static Tubes, Design of, 94
+Platinum Production in South Africa, 573
+Platinum in the Transvaal, 295
+Porter, Geoffrey, Heavy Oil Engines Installations, 277
+Powdered Coal—see Coal
+Power from Sea Waves, Suggested Method of Obtaining, Monsieur P. Van Vloten, 461
+Power Stations—see Electrical Matters
+Press, Flanging, for Bridge Flooring, Daw
+Brothers, Ltd., 674                         y
+Presses—see Hydraulic ; also Machine Tools
+Progress and Happiness, Professor A. E Kennelly, 162
+PUMPS :
+Centrifugal and Reciprocating Pumps
+Tangyes, Ltd., 247                     F ’
+Combined Auxiliary Pumps for 30 000-
+Kilowatt Steam Turbine, Sulzer Brothers 590
+Co!?rbi^ Feed-water Heater and Pump, v\ orthington-Simpson, Ltd., 53
+Efficient Waterworks Pumping Plant Hathorn, Davey and Co., Ltd , and J.’ Thompson, Ltd., 438, 439
+Hydraulic Pump, West Hydraulic Engineer-ing Company, 52
+Wapping Pumping Station of the London Hydraulic Power Company, 634, 638
+Q
+QUEEN MARY Reservoir Cpnduit, 126, 131 142
-QUEEN MARY Reservoir Canduit, 126, 131, 142
 Quick-hardening Cements, 590
 R
 RADIO—see Wireless
 RAILWAYS AND RAILWAY MATTERS :
-All-steel Passenger Rolling Stock, London, Midland and Scottish Railway, 472, 478
-American Petrol-electric Rail Car, 361
+All-steel Passenger Rolling Stock, London, Midland and Scottish Railway, 472, 478 American Petrol-electric Rail Car, 361 Automatic Train Control in America, 93
-   Automatic Train Control in America, 93 Electric Train Testing on the Metropolitan
-     Railway, George Hally, 514, 542
+Electric Train Testing on the Metropolitan Railway, George Hally, 514, 542
-Fracturing of Fish-plates, N. Garrett Smith, 435
-Main Line Railway Electrification, Sir Philip Dawson and Professor S. Parker Smith, 175, 233, 235, 342, 343 ; for Details, see Foreign Railways
+Fracturing of Fish-plates, N. Garrett Smith 435
+Main Line Railway Electrification, Sir Philip Dawson and Professor S. Parker Smith 175, 233, 235, 342, 343 ; for Details, see Foreign Railways
 Rail Production in America, 504
 Railway Year, 358
 Relaying Railway Track by Machine, A. W. Bretland, 75
 Wagon, Privately Owned Railway, 415
 British, Colonial, and Indian :
 Ballasting the C.P.R. Tracks, 291
 Bengal-Nagpur Railway, “ Garratt ” Locomotives, 586
 Doubling the Inner Circle, 362
 Foreigner on British Railways, 388
 Great Southern Railways, Ireland, Relaying Track by Machine, A. W. Bretland, 75
 Indian Railway Administration Report, 333
 Indian State Saloons, Eastern Bengal Railway, 108
 Metropolitan Railway, Electric Train Testing on, George Hally, 514, 542
 Notes on British Railways by a Continental Engineer, 145, 178, 204, 236, 264, 288, 314, 358
-     Conclusions, 359
-     Electrification, 314
+Conclusions, 359
-     Goods and Traffic, 358
-     Interlocking and Signalling, 178
+Electrification, 314
-     Management, 358
-     Passenger Traffic, 314
+Goods and Traffic, 358
-     Permanent Way, 178
+Interlocking and Signalling, 178
+Management, 358
+Passenger Traffic, 314
+Permanent AVay, 178
 Rolling Stock and Wagons, 236 ; Goods Wagons and Trucks, 237
-     Shunting and Switching, 288
+Shunting and Switching, 288
 Termini and Stations, Goods Stations, Running Sheds, 204
 Locomotives Included in Notes on British Railways—see Railway Locomotives
 Preston and Carlisle, New Loop Lines Between, 580
 Waterloo Tube Station Reconstruction, 306
 Foreign Railways :
 Electric Traction on the Orleans Railway, H. Parodi, 408
-Italy and Central Europe, Proposed New Railways Between, 673
+Italy and Central Europe, Proposed New
+Railways Between, 673
 Main Line Railway Electrification :
-     U.S.A. North-Western States :
+U.S.A. North -Western States :
 Butte, Anaconda and Pacific Railway, 177, 234, 235
 Chicago, Milwaukee and St. Paul Railway, 175, 233, 235
 Great Northern Railway, Cascade Tunnel, 177, 234, 235
-       Inland Empire Railroad, 177, 234, 235
-     U.S.A., South-Eastern States :
+Inland Empire Railroad, 177, 234, 235
- Norfolk and Western Railway, 342, 343 Virginian Railroad, 343, 344, 345
+U.S.A., South-Eastern States :
+Norfolk and Western Railway, 342, 343
+Virginian Railroad, 343, 344, 345
 Midi Railway of France, Hydraulic Developments, 376
 Swiss Federal Railways, Brugg Sub-station, 188
 Water Power for the Paris-Orleans Railway Electrification, 584
 RAILWAY LOCOMOTIVES :
 General:
-   American Diesel-electric Locomotive, 268 American Eight-coupled Locomotives, 351 Automatic Train Control in America, 93 Economy in Axle-box Design, 503
+American Diesel-electric Locomotive, 268
+American Eight-coupled Locomotives, 351
+Automatic Train Control in America, 93
+Economy in Axle-box Design, 503
 Garratt Locomotive, R. H. Whitelegg, 392
-Locomotive Feed-water Heater, Worthington-Simpson, Ltd., 53
+Locomotive Feed-water Heater, Worthing
+ton-Simpson, Ltd., 53
 Locomotive Testing, Electric, 545
-Single-phase 50-Cycle Electric Locomotive, Fried. Krupp Aktiengesellschaft, 606
+Single-phase 50-Cycle Electric Locomotive,
+Fried. Krupp Aktiengesellschaft, 606
 British, Colonial and Indian :
 Notes on British Railways, 145 et seq.—see also Railways
-     Locomotives, 264
-Locomotive Running and Management, 289
+Locomotives, 264
+Locomotive Running and Management,
 Shunting and Switching : Coal Premiums, 288
-Southern Railway, New 4-4-0 Type Engines, 440
-Foreign :
+^°44()ern ^a^waY’ New 4—4—0 Type Engines,
 Main Line Railway Electrification, Electric Locomotives for :
-U.S.A. North-Western States, Chicago, Milwaukee and St. Paul Railway,
-, 177, 233
+U.S.A. North-Western States, Milwaukee and St. Paul
-       Butte, Anaconda and Pacific Railway,
-, 234
+, 177, 233
- Great Northern Railway, 177, 234, 236 Inland Empire Railroad, 177, 234
+Butte, Anaconda and Pacific
+, 234
+Chicago, ^Railway,
+Railway,
+Great Northern Railway, 177. 234, 236 Inland Empire Railroad, 177, 234
 U.S.A. South-Western States, Norfolk and Western Railway, 343, 344
-       Virginian Railroad, 345
-Norfolk and Western Railway, New Locomotive, 4000 H.P. Two-unit Electric, American Locomotive Company, 96 (Two- page Supplement, January 22nd, 1926)
-RATING—see Electrical Matters
-Reamer, New Floating, David Brown and Co., 163
-Reamers, Adjustable, Brooke Tool Manufacturing Company, Ltd., 249
-Refractories : Fire-bricks and Bricks for Heat ;
+Virginian Railroad, 345
-  Insulating, Timmis and Co., 248
+Norfolk and Western Railway, New Locomotive, 4000 H.P. Two-unit Electric, American Locomotive Company, 96 (Two-page Supplement, January 22nd, 1926)
+see Electrical Matters
+New Floating, David Brown and Co.,
+earners Adjustable, Brooke Tool Manufacturing Company, Ltd., 249
+Refractories : Fire-bricks and Bricks for Heat |
+Insulating, Timmis and Co., 248
 Refrigerator. Platen-Munters Ammonia Evapo | ration System, 220
-Reinforced Concrete Retaining Walls in India, '
-, 390
+Reinforced Concrete Retaining Walls in India, ' 386, 390
-Relaying Track—see Railways
+Relaying Track—sec Railways
 Report—see Coal
 Research and British Engineering Progress, 219
 Research Exhibits at the Physical and Optical
-  Societies’ Exhibition, 37
+Societies’ Exhibition, 37
 Reservoir Conduit, Queen Mary, 126, 131, 142
 Retaining Walls and Geostatic Theories, F. W.
-  Woods, 604
+Woods, 604
 Ripping Steel Plates, Machine for, Noble and Lund, Ltd., 326, 332, 333
 Road Congress, International, and Exhibition, 494
 Rolling Stock—see Railways
-Rosenhain, Dr. W., and Others, Effecu of Mass
-   in the Heat Treatment of Nickel Steel, 628
+Rosenhain, Dr. W., and Others, Effect of Mass
-Rylands, Sir W. P., Past and Fjiture of the Steel
-   Industry, 574, 583, 600
+in the Heat Treatment of Nickel Steel, 628
-Ryves, Reginald,
-   Pumping, 602
+Rylands, Sir W. P., Past and Future of the Steel
+Industry, 574, 583, 600
+Ryves, Reginald, Water Power Storage by Pumping, 602
 s
-SAFE Loads and Endurance of Steels under Repeated Bending Stresses, 130
+SAFE Loads and Endurance of Steels under
+Repeated Bending Stresses, 130
 Safety Working in United States Mines and Quarries, 562
 Sand Blast Barrel, New, J. W. Jackman and
-   Co., Ltd., 618
+Co., Ltd., 618
 Sandviken—see Iron and Steel
 Scholarship Offer to Mining Engineers, 361
 Scientific Exhibits at the Royal Society’s Conversazione, 633
 Screwing Machine, Simple Hand, Victor Engineering Company, Ltd., 194
-Sea Waves, Suggested Method of Obtaining
-Power from, Monsieur P. Van Vloten, 461
+Sea Waves, Suggested Method of Obtaining Power from, Monsieur P. Van Vloten, 461
 Sewage Works, New Esholt, Opening of, 530 Sewer Pipes Laid by Thrust Boring Machine.
-   Mangnall Irving, 521, 522, 523
-Shaughnessy, E. H., Rugby Wireless Station, 448
+Mangnall Irving, 521, 522, 523
+Shaughnessy, E. H., Rugby Wireless Station.
 Shearing Machines—see Machine Tools
 SHIPS AND SHIPBUILDING :
-     See also Annual Articles
+See also Annual Articles
 General:
 Crane Equipment of Shipbuilding Berths, Ebenezer Smith, 406
 Electric Propulsion of Ships, Eskil Berg, 275
 Freight Economics of a Cargo Vessel, Comparative, with Reciprocating and with Diesel Machinery, W. J. Lovett, 380
 Hydro-mechanical Transmission Gearing for Motor Ships, 179
 International Shipping Conference, 468
-    Launching Problems, W. J. Berry, 350
-    Lloyd’s Register :
+Launching Problems, W. J. Berry, 350
-     Annual Summary, 92
-     Quarterly Shipbuilding Returns, 80, 446
+Lloyd’s Register :
-    Marine Engines—see Engines
+Annual Summary, 92
+Quarterly Shipbuilding Returns, 80, 446
+Marine Engines—see Engines
 Mercantile Ship Models in Waves, Experiments on, J. L. Kent, 381
 Outlook for Shipbuilding, A. C. F. Henderson, 349, 362
 Propeller Dimension Formulae, &c., Professor C. M. Carter, 381
 Recent Liner Performances, 47
-Ship Wave Resistance, Comparison of Mathematical Theory with Experimental Results, W. C. S. Wigley, 381
+Ship W7ave Resistance, Comparison of Mathematical Theory with Experimental Results, W. C. S. Wigley, 381
 Shipbuilding Costs, 664
-Steering Gear, Electric Hydraulic, Dr. Hele- Shaw and T. E. Beacham, 506
+Steering Gear, Electric Hydraulic, Dr. Hele-Shaw and T. E. Beacham, 506
 Trials of the Motor Vessel Pacific Trader, Committee’s Report, 65
 Trials of the Motor Vessel British Aviator, Engines Tested by Marine Oil Engines Trials Committee, 576
-    What is Sea Speed ? Reginald J. Eyres, 392
+What is Sea Speed ? Reginald J. Eyres, 392
 British Navy :
-   Dreadnought Anniversary, 155
-   H.M.S. Suffolk, 217
+Dreadnought Anniversary, 155
-   Launching Arrangements of H.M. Ships
-     Nelson and Rodney, W. J. Berry, 350
+H.M.S. Suffolk, 217
-    New Cruisers, 215
+Launching Arrangements of H.M. Ships
+Nelson and Rodney, W. J. Berry, 350
+New Cruisers, 215
 Naval Matters :
 Engineering Branch of the Royal Navy, 486, 499
 “ The Engine-room Department Never Fails,” 667
 Heel and Trim, Method Used for Readily Correcting, A. W. Cluett, 406
-    Jutland, Battle of, A Retrospect, 545, 555
-    Naval Construction, 443
+Jutland, Battle of, A Retrospect, 545, 555
-    Naval Engineers, 499
-    Navy Estimates, 271
+Naval Construction, 443
-    Rebuilding the German Navy, 639
-    Royal Naval Engineer Officers, 328, 330, 357
+Naval Engineers, 499
-    Status of Naval Engineers, 524, 547
+Navy Estimates, 271
+Rebuilding the German Navy, 639
+Royal Naval Engineer Officers, 328, 330, 357
+Status of Naval Engineers, 524, 547
 Foreign Navies :
-    French Cruiser Duquesne, 440
-    French Navy, 471
+French Cruiser Duquesne, 440
+French Navy, 471
 SHIPS AND SHIPBUILDING {continued):
 Mercantile and Miscellaneous Vessels :
 Asturias, R.M.S.P. Motor Passenger Liner, 14, 17, 18, 79, 240, 245 ; (Addendum), 281
 Belgian Mercantile Marine, Monsieur A. Pierrard, 660
 British Aviator, Motor Vessel, Engines Tested by Marine Oil Engines Trials Committee, 576
 Motor Ship Danmark, Burmeister and Wain, Ltd., 265
 Motor Ships for South America, William Beardmore and Co., Ltd., 321
 Pacific Trader, Motor Vessel, Engines Tested by Marine Oil Engine Trials Committee, Wm. Doxford and Sons, 65
-  Triple-screw Liner Laurentic, 465
+Triple-screw Liner Laurentic, 465
 SIEVEKING, Alfred R., Swiss Hydro-electric
-  Supply, 519 ; (Correction), 561
+Supply, 519 ; (Correction), 561
 Silicates—see Iron and Steel
 Silver and Tin Alloys, A. J. Murphy, 345
 Sixty Years Ago, 9, 54, 79, 98, 124, 149, 187, 212, 246, 273, 293, 334, 351, 389, 409, 440, 465, 504, 523, 552, 588, 603, 641, 663
 Sixty Years Ago and To-day, 45
 Slater, I. G., and T. H. Turner, Hardness of
-  Carbon Steels at High Temperatures, 629
+Carbon Steels at High Temperatures, 629
 Sludge, Activated, Diffused-air Method of Treatment, 79
 Smith, Ebenezer, Crane Equipment of Shipbuilding Berths, 406
 Smith, N. Garrett, The Fracturing of Fishplates, 435
 Societies—see Associations
 Soft Soldering of Copper, Dr. T. B. Crow, 318
 Softening of Strain-hardened Metals, &c., R.
-  W. Bailey, 292
+W. Bailey, 292
 SOUTH AFRICAN ENGINEERING NOTES :
-, 161, 194, 251, 278, 305, 421, 478, 504,
-, 618, 675
+, 161, 194, 251, 278, 305, 421, 478, 504, 579, 618, 675
-  Aviation Service in South Africa, 618
-  Big Electric Hoist, 504
+Aviation Service in South Africa, 618
-  Bridges, New, 549
-  Briquette Manufacture Company, 421
+Big Electric Hoist, 504
-  Broken Hill Power Plant, 579
-  Broken Hill Power Scheme, 161
+Bridges, New, 549
-  Cape Town’s Electrical System, 675
+Briquette Manufacture Company, 421
+Broken Hill Power Plant, 579
+Broken Hill Power Scheme, 161
+Cape Town’s Electrical System, 675
 Consumption of Gas and Electricity in Johannesburg, 619
-  Demand for Railways, 675
-  Durban Ship Repairing Job, 549
+Demand for Railways, 675
-  Eight Hours’ Day, 478
-  Electric Railway Working, 579
+Durban Ship Repairing Job, 549
-  Electrification of Natal Main Line, 83
-  Expenditure on Rolling Stock, 618
+Eight Hours’ Day, 478
-  Factories in Liquidation, 161
-  Floating Dock at Table Bay, 675
+Electric Railway Working, 579
-  Fruit Wagons, New, 579
-  Gas for Johannesburg, 504
+Electrification of Natal Main Line, 83
-  Government Areas New Plant, 675’
-  Important Ship Repair, 421
+Expenditure on Rolling Stock, 618
-  Industrial Progress, 83
-  Irrigation in Great Fish River Valley, 618
+Factories in Liquidation, 161
-  Irrigation of the Kalahari, 194
-  Kalahari Problem, 161
+Floating Dock at Table Bay, 675
-  Labour-saving Elevators, 305
-  Large Gas Plant Wanted, 579
+Fruit Wagons, New, 579
-  Large S.A.R. Orders, 305
-  Locomotives on Nigerian Railways, 83
+Gas for Johannesburg, 504
-  Locomotives Ordered from Germany, 579
-  Metrovick Electric Winders, 675
+Government Areas New Plant, 675
-  Mineral Output, 161, 549
-  Mineral Output for 1925, 478
+Important Ship Repair, 421
-  Motor Car Centre, 305
-  Municipal Enterprises, 549
+Industrial Progress, 83
-  Narrow-gauge Motor Truck, 618
-  Natal Railway Electrification, 194
+Irrigation in Great Fish River Valley, 618
-  New Cape Central Railway, 504
-  Novel Power Agreement, 194
+Irrigation of the Kalahari, 194
-  Orders Lost Through Strike, 675
-  Petroleum in S.W. Africa, 478
+Kalahari Problem, 161
-  Pig Iron Production, 251
-  Platinum Activities, 478
+Labour-saving Elevators, 305
-  Platinum Production in the Transvaal, 278
-  Port Elizabeth’s Electrical Power, 161
+Large Gas Plant Wanted, 579
-  Port Elizabeth Harbour Extension, 579
-  Power Station, Large, at Durban, 305
+Large S.A.R. Orders, 305
-  Power Station Mishap, 504
-  Pulp Binder Invented, 194
+Locomotives on Nigerian Railways, 83
-  Railway Electrification, 504
-  Railway Rolling Stock, 549
+Locomotives Ordered from Germany, 579
-  Railways, New, 549
-  Rand-Cape Telephone Service, 618
+Metrovick Electric Winders, 675
-  Rand’s Record Output, 618
-  Record Workshop Job, 549
+Mineral Output, 161, 549
-    Refrigerating Plants, 549
-  Reservoirs Troubled by Silt, 194
+Mineral Output for 1925, 478
-    Rhodesian Chrome for U.S.A., 478
-  Rhodesian Irrigation Project, 305
+Motor Car Centre, 305
-    Rhodesia’s Mineral Riches, 194
-    Rock Hoist, A Large, 305
+Municipal Enterprises, 549
-    Union Irrigation, 161
-    Union’s 1925 Maize Crop, 305
+Narrow-gauge Motor Truck, 618
-    Union Miniere’s New Plant, 675
-    Union Railway Budget, 579
+Natal Railway Electrification, 194
-    Union Railways’ Traffic, 421
-    Union Rolling Stock, 161
+New Cape Central Railway, 504
-    Union Steel Corporation, 83
-    Water Valve, World’s Largest, 305
+Novel Power Agreement, 194
-    Witbank Super Power Station, 161, 478
-    World’s Largest Electric Hoist, 619
+Orders Lost Through Strike, 675
-“ SPREAD ” of Metal in Rolling, C. E. Davies, 598, 626
-Standardisation in Industry, 293 Stations, Railway—see Railways Status of Naval Engineers, 524 Steam, Misunderstandings About, 185 Steam Tables, Consistency of, 272
+Petroleum in S.W. Africa, 478
-Steam Turbine Plant for an Old Cotton Mill, W. H. Allen, Sons and Co., Ltd., 52
-Steam Turbines, Improved, for Turbo - generators, Oerlikon Ltd., 105 ; (Letter), 124
+Pig Iron Production, 251
+Platinum Activities, 478
+Platinum Production in the Transvaal, 278
+Port Elizabeth’s Electrical Power, 161
+Port Elizabeth Harbour Extension, 579
+Power Station, Large, at Durban, 305
+Power Station Mishap, 504
+Pulp Binder Invented, 194
+Railway Electrification, 504
+Railway Rolling Stock, 549
+Railways, New, 549
+Rand-Cape Telephone Service, 618
+Rand’s Record Output, 618
+Record Workshop Job, 549
+Refrigerating Plants, 549
+Reservoirs Troubled by Silt, 194
+Rhodesian Chrome for U.S.A., 478
+Rhodesian Irrigation Project, 305
+Rhodesia’s Mineral Riches, 194
+Rock Hoist, A Large, 305
+Union Irrigation, 161
+Union’s 1925 Maize Crop, 305
+Union Miniere’s New Plant, 675
+Union Railway Budget, 579
+Union Railways’ Traffic, 421
+Union Rolling Stock, 161
+Union Steel Corporation, 83
+Water Valve, World’s Largest, 305
+Witbank Super Power Station, 161, 478
+World’s Largest Electric Hoist, 619
+‘ SPREAD ” of Metal in Rolling, C. E. Davies, 598, 626
+Standardisation in Industry, 293 Stations, Railway—see Railways Status of Naval Engineers, 524 Steam, Misunderstandings About, 185 Steam Tables, Consistency of, 272 Steam Turbine Plant for an Old Cotton Mill,
+W. H. Allen, Sons and Co., Ltd., 52
+Steam Turbines, Improved, for Turbo -generators, Oerlikon Ltd., 105 ; (Letter), 124
 Steel—see Iron
 Stockdale, Dr. D., Aluminium-copper-tin Alloys, 318
 Striation Due to Working or Corrosion, Monsieur A. M. Portevin, 346
 Stroborama, Monsieurs Laurent and Augustin Seguin, 506
 Sulzer, Robert, Temperature Variation and Heat Stresses in Diesel Engines, 379, 391, 420 Super-accurate Production of Spur Gears on the Gear Shaper, H. Walker, 316 ; (Letter), 384
 Superheating of Steam, Automatic, 516
-Sutlej Valley Irrigation Project, 644
-Swiss Hydro-electric Supply, Alfred R. Sieve- king, 519 ; (Correction), 561
+Sutlej Valley Irrigation Project, 644 Swiss Hydro-electric Supply, Alfred R. Sieve-king, 519 ; (Correction), 561
 T
-TAR Distilling Plant at Steel Works, W. C. Holmes and Co., Ltd., 68, 72
+TAR Distilling Plant at Steel Works, W. C. Holmes and (Jo., Ltd., 68, 72
-Taylor, J. E., Propagation of Electric Waves, 249
+Taylor, J. E., Propagation of Electric Waves, 249 |
 Telegraphy and Telephony, Wireless—see Wireless
 Telephone, Jubilee of the, 636
 Television, Transmitting and Receiving Instruments, J. L. Baird, 641
-Temperature Variation—see Engines Testing Machines—see also Machine Tools Testing Machines :
-  Izod Impact Testing, 207
+Temperature Variation—see Engines
-  Rubber Testing, 206, 207
-  Spring Testing, 207
+Testing Machines—see also Machine Tools
-     W. and T. Avery, 206
+Testing Machines :
+Izod Impact Testing, 207
+Rubber Testing, 206, 207
+Spring Testing, 207
+W. and T. Avery, 206
 Tests of a Back-pressure Steam Turbine, Monsieur M. Hentsch, 462
 Thermionic Generators, &c.—see Wireless Telegraphy
-Thermo Element, Vacuum, Moll and Berger, 38 Thomas, H. A., An Electrical Method of
-   Measuring Small Fluid Pressures, 88 Thompson, Lindley, and H. Walmsley, Testing
+Thermo Element, Vacuum, Moll and Berger, 38
-   Static Transformers, 158
-Thrust Boring, Mangnall Irving System, Sewage Pipes Laid by, 521, 522, 523
+Thomas, H. A., An Electrical Method of
+Measuring Small Fluid Pressures, 88
+Thompson, Lindley, and H. Walmsley, Testing Static Transformers, 158
+Thrust Boring, Mangnall Irving System, Sewage
+Pipes Laid by, 521, 522, 523
 Time Taken to Start a Stand-by Power Plant, 450 ; (Letter), 465
-Too Many Institutions ? 272 ; (Letter), 412 Tookey, W. A., Industrial Tests of Internal
-  Combustion Engines, 437
+Too Many Institutions ? 272 ; (Letter), 412
-Toothless Gear, Garrard Gears, Ltd., 304 Torsionmeters, 73 ; (Letters), 95, 222 Traditional Architectural Forms and their
-   Structural Efficiency, William Harvey, 374 Trains and Train Control—see Railways Trucks—see also Electrical Matters Tunnel, Cable, Under the Thames, 242 Turbine, Back-pressure Steam, Tests of, Monsieur M. Hentsch, 462
+Tookey, W. A., Industrial Tests of Internal
+Combustion Engines, 437
+Toothless Gear, Garrard Gears, Ltd., 304
+Torsionmeters, 73 ; (Letters), 95, 222
+Traditional Architectural Forms and their
+Structural Efficiency, William Harvey, 374
+Trains and Train Control—see Railways
+Trucks—see also Electrical Matters
+Tunnel, Cable, Under the Thames, 242
+Turbine, Back-pressure Steam, Tests of, Monsieur M. Hentsch, 462
 Turbine Blades, Wear of Nickel Steel ; Turbine, Exhaust Gas, Rotor for, Special Steels, 407, 408
 Turbines—see also Steam
-Turbo-generators—see Electrical Matters Turner, Lieut.-Colonel F. W., Modern Flour
-   Milling Machinery, 635, 645, 670
+Turbo-generators—see Electrical Matters
-Tyas, G. F., Matthew Murray, 268
-V
+Turner, Lieut.-Colonel F. W., Modern Flour Milling Machinery, 635, 645, 670
-VALVES for the Fourth Thirlmere Pipe Line, 550
-Valves, Multiple Flap, “ Ismailia,” E. C.
+I Tyas, G. F., Matthew Murray, 268
-   Bowden-Smith, 160
-Van Ryneveld’s Pass Irrigation Works, 54
+VALVES for the Fourth Thirlmere Pipe Line, 1    550
+I Valves, Multiple Flap, “ Ismailia,” E. C.
+Bowden-Smith, 160
+• Van Ryneveld’s Pass Irrigation Works, 54
 Variety in Design, 246
 Vulcanised Fibre—see British Engineering
-   Standards
+Standards
+w
+WAGES Board for the Coal Industry, 556
+Wagon, 200 Cubic Feet Side-tipping, Robert
+Hudson, Ltd., 334
+Wagons—see also Railway
+Wairoa—see Bridge
+Walker, H., Involute Internal Gearing, 146, 172
+Walker, H., Sup er-accurate Production of Spur
+Gears on the Gear Shaper, 316
+Wallis, B. N., Technical Aspects of the Commercial Airship, 217 ; (Letter), 296
+Wapping—see Pumps
 Washing Filtering Material, New Method of, Alfred E. Smith, 561
-Water Power Development in Switzerland, 366 Water Power in Italy, the Orba Torrent, 98 Water Power for the Paris-Orleans Railway Electrification, 584
+Water Power Development in Switzerland, 366
+Water Power in Italy, the Orba Torrent, 98
+Water Power for the Paris-Orleans Railway Electrification, 58-1
 Water Power Projects in Spain, 348
 Water Power Resources of Canada, 436
 Water Power Storage by Pumping, Reginald Ryves, 602
 WATER SUPPLY :
-   {See also Annual Articles and Reservoir) Big Water Supply Scheme, 496 Caine Waterworks Improvements, 68 Manchester Waterworks, W. F. H. Creber, 614 Metropolitan Water Board, Recent Works, 77 Paris Water Supply, 12
-  Thirlmere Pipe Line, The Fourth, 550
+(See also Annual Articles and Reservoir)
-WELDING of Aluminium, Notes on, Edgar T. Painton, 189
-Welding Plant, Portable Arc Welding, Siemens- Schuckert, Ltd., 562
+Big Water Supply Scheme, 496
+Caine Waterworks Improvements, 68
+Manchester Waterworks, W. F. H. Creber, 614
+Metropolitan Water Board, Recent Works, 77 Paris Water Supply, 12
+Thirlmere Pipe Line, The Fourth, 550
+WELDING of Aluminium, Notes on, Edgar T.
+Painton, 189
+Welding Plant, Portable Arc Welding, Siemens-Schuckert, Ltd., 562
 Whirling Speeds of Drum Rotors, T. M. Naylor, 89 ; (Letters), 222, 277
-White, Colin R., Construction of a Breakwater Head at Madras, 464
+White, Colin R., Construction of a Breakwater
+Head at Madras, 464
 Whitelegg, R. H., The Garratt Locomotive, 392 Wigley, W. C. S., Ship Wave Resistance : Comparison of Mathematical Theory with Experimental Results, 381
 Wilson, P. H., Nobel Oil Engine, 324
 Wimperis, H. E., Relationship of Physics to Aeronautical Research, 613
 Windmills for Generation of Electricity, 586
 WIRELESS TELEGRAPHY AND TELE
-  PHONY :
-     See also Annual	Articles—Electrical
+PHONY .
-       Matters
+See also Annual   Articles—Electrical
+Matters
 Exhibits, Various, at the Physical and Optical Societies’ Exhibition, 38
- Frequency Variations in Thermionic Generators, Lieut.-Colonel K. E. Edgeworth, 70 Imperial Wireless Beam Stations, Marconi’s Wireless Telegraph Company, Ltd., 78
-Propagation of Radio Waves, J. Holling- worth, 192
+Frequency Variations in Thermionic Generators, Lieut.-Colonel K. E. Edgeworth, 70 Imperial Wireless Beam Stations, Marconi’s
+Wireless Telegraph Company, Ltd., 78 Propagation of Radio Waves, J. H oiling-worth, 192
 Radio Frequency Resistance and Inductance of Coils, 152
 Rugby Wireless Station, Motor Generators for, British Thomson-Houston Company, Ltd., 40 ; (Correction), 107
 Rugby Wireless Station, E. H. Shaughnessy, 448
-  Seaplane, Wireless Equipment of, 209
-  Transatlantic Wireless Telephony, 290
+Seaplane, Wireless Equipment of, 209
+Transatlantic Wireless Telephony, 290
 WOODWORKING MACHINERY :
-   Olympia, Woodworking Machinery at, 472
+Olympia, Woodworking Machinery at, 472
 Belt, Roller-fed Sand-papering Machine ; Haunching Tenons and Cutting Wedges, New Machine for, Haighs (Oldham), Ltd., 473
 Chain-cutter and Hollow Chisel Mortising Machine with New Sharpening Tool, Planing and Moulding Machines, Saw Bench, Under-driven, Thomas Robinson and Son, Ltd., 473
 Electro-brazing Apparatus, Joinery Machines, Wadkin and Co., 473
 High-speed, Four-side, Planing and Moulding Machine, Thomas White and Sons, Ltd., 473
 Mortising and Tenoning Machines, Sandpapering Machines, Sawing and Planing Machines, John Pickles and Sons, Ltd., 473
 Super-Elliot Woodworker, Dominion Machinery Company, 473
 Sanding Machine, Combined Chain and Chisel Morticer, Combined Surfacer and Saw, Dominion Machinery Company, 248
 Wood Planing and Matching Machine, Highspeed, Thomas Robinson and Son, Ltd., 302, 303
 WOODS, F. W., Retaining Walls and Geostatic Theories, 604
 WORKS :
-   British Ciment Fondu Factory, 107
-   Linoleum Factory, 90
+British Ciment Fondu Factory, 107
-Y
-YARROW, Harold, High-pressure Water-
+Linoleum Factory, 90
-tube Marine Boilers, 405, 410, 411, 414, 587
+YARROW, Harold, High-pressure Watertube Marine Boilers, 405, 410, 411, 414, 587
 z
 ZINC Oxide in Brass, Determination of, Dr.
-   B. S. Evans and Mr. H. F. Richards, 346
+B. S. Evans and Mr. H. F. Richards, 346
 == See Also ==