The Engineer 1920 Jul-Dec: Index: Illustrations

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

The Engineer 1920 Jul-Dec: Illustrations Index.

Note: This is a sub-section of The Engineer 1920 Jul-Dec: Index

View the Volumes that this Index refers to.

A ABELL, Professor 'I1. B., on Characteristics of a Marine Propeller in a Non-uniform Stream, 291 Adamson, Joseph (Portrait), 182 Adhex Leather Belt, Monsieur Henri Guillou, 590 ; (Letter), 606 Ahrons, E. L., Locomotives Built by Messrs. B. Hick and Son, Bolton, 102 Ahrons, E. L., on Messrs. W. and A. Kitching, Hope Town Foundry, Darlington, 419 : (Letters), 448, 478, 528 Ahrons, E. L., on The Railway Foundry, Leeds (E. B. Wilson and Co.), 369 Allen, VV. H., Son and Co., Surface Ignition Engine, 32 Alloy Welding Processes, Limited, Portable

 A. C. Welding Equipment, 360, 361

American Beam Trawler Mariner, 612. 616 American Concrete Mixing Machinery, 193, 197, 275, 343, 354, 382 (for Sub-Ileadings, .see Miscellaneous Index) American Mercury Vapour Boiler. W. L. R. Emmet, 516 American Oil-electric Auxiliary Yachts Elfay and Guinivere, 617 Archdale, James, and Co., Milling Machines at Olympia, 244, 245, 254 Armstrong, Sir W. G., Whitworth and Co., Limited, 12in. Howitzer on Railway Truck Mounting, 204, 209 Armstrong-Siddeley Six-cylinder Lauda ulet, 476, 478 Arroi, Sir William, and Co., 120-Ton Overhead Travelling Crane with Telescopic Cage, 66 Arthur, Captain J. Stanley, on the Sterilisation of Water by Chlorine Gas, 527, 531, 564 Asquith Radial Drilling Machines, 245, 254 Avro Five-seater Passenger Triplane, 78 B BADEN, ex-German Battleship, and the Cruiser Niirnberg, 319 (Two-page Supplement, October W, 1920) Baghdad Railway, Major D. G. Heslop, 469, 480, 523, 551, 560, 601 (Two-page Coloured Supplement, November 20th, 1920) Baker, F. E., Limited, Precision Motor Cycle Works, 575, 586 Bamlett’s Potato Digger, 59 Barnes Scarfing Machine, 162 Barnfather Hose Coupling, 590 Bateman Electrically-driven Planer, 292 Baumann, K., on Feed Heating for Land Power Stations, 101, 127, 150 Baush Multi-spindle Drilling Machine, 270, 274 B. C.B. High-speed Plunger Pump, 539 Beardrnore, W., and Co., Limited, H.M. Light Cruiser Raleigh, 374 Beardmore’s Locomotive Works, 149 (Two-page Supplement, August Vith, 1920) Bell Locomotive Works, High-pressure Geared Locomotives, 461 B.S.A. Tools, Limited, Sensitive Drilling Machine, 246 Boving and Co., 8000 H.P. Pelton Turbines, Pipe Line, Valves, &c., for Tasmania. 3. 12, 40 (Two-page Supplement, July 2nd, 1920) Brackett, F. W., and Co., Limited, Wa ter - screening Plant, 541 Brampton Brothers, Chain Drive, 248 Breuil Works, Schneider and Co. (i, vi, vii, x, Sixteen-page Supplement and. Four-page Supplement, September 17th, 1920); Open- hearth Furnace, 60 Tons, and Shop. Charging Side and Tapping Side (vi, x, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Bristol Aeroplane Company’s Seaplane, 488 Bristol “ Pullman ” Triplane, Bristol Aeroplane Company, 52 (Supplement,. July Iftth, 1920) British Aerial Transport Company’s Single- seater Monoplane “ The Crow,” and Five- seater Commercial Aeroplane, 53 (Supplement, July Iftfh, 1920) British Berna Side and End-tipping Wagon, 424, 425 British Railway Workshops in M ar Time, 27, 36, 77 British Thomson-Houston Company, Motorswitch Panel, 247, 248 Broom, Talbot C., on Stresses in Portals and

 Similar Structures, 368, 393, 417

Brown, David, and Sons, Limited, Double

 Helical Gear Generator, 291, 302

Brown, David, and Sons, Worm, and Worm Wheel Machinery, 228, 234 ; Spur Gear Generator, 234 Bruce Peebles and Co., Enclosed Motor for Steel Works, 504 Burmeister and Wain, Motor Ship Theodore Roosevelt, 236 Burt Single Sleeve Valve Petrol Engine, Wallace Farm Implements, Limited, 154, 155, 158 c CALTHROP Parachutes and Quick-release Device, 79, 80 Cambridge Building, New York, Underpinning, 26 Cambridge and Paid Instrument Company, Electrical CO2 Recorder, 333, 334 Cambridge and Paul Instrument Company, Electrical Distance Thermometer, 335 Cammell Laird Motor Ship Fullagar, 69 Carey Oil Transmission System, 284 Carmichael’s Engine of 1833, 15, 16 Carmichael’s Locomotive Gear of 1833, 15, 16 Central Aircraft Company’s “Centaur,” Three

sealer Seaplane, 53 (Supplement, July \dth, 1920)

Chalon-sur-Saone Works, Schneider and Co., Movable Shop End at (xi, xiv, Sixteen-page Supplement, September 17th, 1920) Champagne-sur-Seine Works, Schneider and Co., Dynamo Erecting Shop at (xii, xiii, Sixteen-page Supplement, September 17 th, 1920) Churchill Plain Grinding Machine, 332 Clark Truck Tractor Company, Three-wheeled Motor Tractor, 92 Clayton Overtype Tipping Wagon, 400 Cleworth, Wheal and Co., Air Filter, 504, 505 Cleworth, Wheal and Co., Water Cooler, 505 Clifton and Baird’s Cutting-off Machines, 269 Cockcrill Blast-furnace Gas Engines, Professor

 H. Hubert, 495 : (Letter), 558

Consolidated Pneumatic Tool Company’s Electric Grinder, Electric’ Drills and Magnetic Tool Post, 360 Cooke, Charles John Bowen (Portrait), 397 Coventry Gauge and Tool Company, Manufacture of Hardened Screw Gauges, 310, 311 Cowans, Sheldon 150-Ton Floating Crane, 18 Crampton’s Locomotive Gear of 1842, 16 Creusot and Breuil, Plan of Works at (i, Six- teen-page Supplement, September 17th, 1920) Creusot Works, Messrs. Schneider and Co.: Armour Plate Bending Presses, 8000-Ton and 5000-Ton (viii, Sixteen-page Supplement and Four-paqe Supplement, September 17th, 1920) Blast-furnace Gas Engine and Electric Generator (ii, Sixteen-paqe Supplement, September 17th, 1920) No. 3 Blast-furnace under Construction (ii, iii, iv, Sixteen-page Supplement, September 17th, 1920) Building a 3000 H.P. Blast-furnace Gas Blowing Engme (v, Sixteen-page Supplement, September 17th, 1920) Cogging Mill, Two-high Reversing (vii, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Flanging Press, 1000-Ton (viii, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Forging Press, 2000-Ton (viii, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Furnace, “Electro-metals,” 3.5-Ton (vii, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Heavy Planing Machine (xiii, Sixteen-page Supplement, September 17 th, 1920) Mill Re-heating Furnace (viii, Sixteen-page Supplement and Four-page Supplement, September 17 th, 1920) Saint Eugene Garden City (xv, Sixteen-page Supplement, September 17th, 1920) Creusot Works, Messrs. Schneider and Co. (continued'): Tilting Furnace. 12-Ton (ii, Sixteen-page Supplement September 17 th, 1920) Tiro-finishing Mill, Tire-roughing Mill (viii, Sixteen-page Supplement and Fcur-page Supplement, September 17 th, 1920) Turbo-alternator, 10,000 K.W., 1260 R.P.M. (v, Sixteen-page Supplement, September 17 th, 1920) CROSSLEY Brothers, Gas Engines at Darlington, 8, 9 Crossley’s Magneto, Governor and Cam Gear Mechanism, 9 Crossley Motors, Limited, 19.6 H.P. Motor Car, 450 “ Crown Magnetic ” Car Chassis, 498, 499 ; (Letters), 528, 558, 606 D DAIMLER 2-Ton Tipping Wagon, 400 Darlington, Royal Agricultural Show at, 8, 32, 58 Davey, Norman, Studies in Tidal Power, 556, 578, 603, 634, 652 ; (Letters), 606, 644 Dean, Smith and Grace’s 8|in. Repetition Lathe, 359 Derwent Goods and Mineral Engine, 1845, 420 Derwent Valley River Lands, Reclamation of, 470 Dixon. Walter, on the Electrification of the Ebbw Vale Works and Collieries, 299, 306 Droitaumont, Workmen’s Dwellings at, Schneider and Co. (xv, xvi, Sixteen-page Supplement, September 17 th. 1920) Drummond 3|in. Lathe, 328, 333 Dublin and Kingstown Locomotive of 1834, 15 Dunlop, Janies, on the Development of Locomotive Valve Gear, 15, 49 E EALING and Shepherd’s Bush Railway, 118 Eastleigh Shops, London and South-Western

 Railway, War Work, 77

Ebbw Vale Works and Collieries, Electrification of, Walter Dixon, 299, 306 Electrical Apparatus Company, Relay Motor Starter, 332 Emmet, W. L. R., Mercury Vapour Boiler, 516 Ex-German Battleship Baden and the Cruiser

Niirnberg, 319 (Two-page Supplement, October 1st, 1920)

Experiment Locomotive of 1833, 15 F FLEMING, A. P. M., and J. R. Clarke, on Radiological Testing of Materials, 642 Foster Instrument Company, Radiation Pyrometer and Thermo-couple Recorder, 247 Foster Millivoltmeter, 247 Foster, William, and Co.’s Steam Wagon, 58 Fowler. John, and Co.. Ploughing Machines and Appliances. 428, 434 Fullagar, Motor Ship, Cammell Laird and Co., Limited, 69 G GALVANISING Equipment Company’s Rustproofing Process, 539, 540 Garrett, Richard, and Sons, Limited, 3|-Ton

 Electric Vehicle, 404, 425

General Vehicle Company’s 3LTon Electric

 Tipping Wagon, 402, 404

German Giant Gun. Sir George Greenhill, 651 Gilboa Dam and Shandakcn Tunnel for New

 York Water Supply, 627

Gilman, F. L., Automatic Current Motor, 308 Glasgow, Shipbuilding, Engineering and Electrical Exhibition at. 504, 538 Gray’s Express Engine Built by Shepherd and

 Todd, 1840, 370

Great Northern Three-cylinder Fast Goods Engine, 652, 654, 663 (Two-page Supplement, December 31.$£, 1920) Great Western Railway Works at Swindon in War Time, 27, 36 Greenhill, Sir George, on the German Giant Gun, 651 Greenwood and Batley s 2-Ton Electric Truck, 246, 247, Guillou, Monsieur Henri. Adhex Leather Belting, 590 (Letter), 606 H HACKWORTH S Locomotive Gear of 1849, 17 Hall, J. and E., Hallford 5-Ton Tipping Lorry, 425, 426 Hallford 5-Ton Tipping Lorry, 425, 426 Ha in worthy Engineering Company’s Oil Engine Winch, 58 Handley Page Aeroplane Wing, 421 Handley Page W 8 Type Passenger Biplane, 52 (Supplement, July Doth, 1920) Hawthorn’s Locomotive Gear of 1840, 16 Herbert, Alfred, Machine Tools at Olympia : Broaching Machine, 270, 274 Cold Sawing Machine with Chip Remover, 270, 274 Radial Drilling Machine, 270, 271 Vertical Milling Machine, 27], 272 Herbert, E. G., Limited, Radial Sawing Machine, 246 Heslop, Major D. G., on the Baghdad Railway, 469, 480 523, 551, 560, 601 (Two-page Coloured Supplement, November 26lh, 1920) Hick, B., and Son, Bolton, Locomotives Built by, 102 Hick, Hargreaves and Co., Limited, Diesel Engines for South America, 210 Hiroi, I., on The Force and Power of Waves, 184 Holroyd, J., and Co., Limited, Screw-chasing

Machine, Automatic, 357 ; Bar-grinding Machine, 357

Houston, Sir A. C., on Rapid Filtration of Water, 218 Hubert, Professor H., on Cockerill Blastfurnace Gas Engines, 495 ; (Letter), 558 Hudson River Vehicular Tunnel, 394 Hughes, W. E., on Electro-deposited Iron : Its Value for Engineering Purposes, 350 Hunt, Herbert, and Sons, Twist Drill Sharpening and Thinning Machine, 237 Hurst, Charles, on Valves for Steam and Gas Engines, 153 ( Hydro, Steel Steamer Hopper Dredger, 176, 177 1GRAN1C Electric Company’s Resistance Charging Unit, 235 India, Petrol Tramcars for. McEwan, Pratt and Co., 513 Indian Railways, Electrification of, 530 Ingersoll Steam Drill and Drilling Barge, 202 International Aero Exhibition. Olympia, 52, 62. 78, 86 (d'wo-pagc Supplement, July \^lh, 1920) Irthlingborough Iron Mine, 177 Irwin and Jones, Electric Trucks. 234, 235 Italian Flotilla Leaders, 267, 278 Italian Torpedo Craft, Aquila, Sparviero, Antonio Mosto, and 42P.N.. Messrs. C. and T. T. Pattison, 630. 638 J JONES, A. A., and Shipman’s Drilling and Grinding Machines, 270, 274 K KELVIN, Bottomley and Baird, Limited, Pneumercator Tank Gauge, 505, 506 Kendall and Gent, Limited, Vertical. Plano and

 Other Milling Machines, 295, 296

Kitoliing, W. and A., Hope Town Foundry, Darlington/ E. L. Ahrons, 419: (Letters), 448, 478, 528 L LANG, John, and Sons, Centering Machine, 358 La Normande Metallurgical Company, Works (Caen) (Schneider and Co.) : (ix, xi, xii, Sfateen-page Supplement, September 17th, 1920) Blast-furnaces (ix, xi, xii, Sixteen-page Supplement, September 17 th, 1920) Cogging Mill (ix, xiv, Sixteen-page Supplement, September 17 th, 1920) Metal Mixer, 700-Ton Gas-fired (xiv, xv, Sixteen-page Supplement, September 17th, 1920) Open-hearth Ingot Stripper (xiv, xv, Sixteen- page Supplement, September 17th, 1920) LEYLAND Motors, Limited, Eight-cylinder Car and Engine, 476, 477 Lincolnshire Oil Engines, F. H. Livens, 103, 108, 140 Linzey, E. A. V., on Casting Pipe Specials in Green Sand, 226 Livens, F. H., and W. Barnes on Recent Excavator Practice, 82 Livens, F. H., on Some Lincolnshire Oil Engines, 103, 108, 140 Locomotion No. 1, Stockton and Darlington Railway Engine, 1825, 49 London and South-Western Railway Workshops in War Time, 77 Lostock Junction Railway Collision, 348 Lovekin, Luther D., on Surface Condensers, 618 M MoEWAN, Pratt and Co., Petrol Tramcars for India, 513 McLaren, J. and H., Motor Tractor and Power Windlass, Cultivator and Reversible Harrow, 582 McLaren’s Motor Windlass for Cable-haulage Ploughing, 32 Mammoth 200-Ton Floating Crane, A. F. Smulders, 375, 378 Mariner, Oil-electric Driven Trawler, 612, 616 Marshall, Sons and Co., New Power Station, Gainsborough, 106 Martinsyde Type “A” Freight Carrier, 54 {Supplement, July 10th, 1920) Mather, Sir William (Portrait), 305 Meandros, Cargo Steamship, J. I. Thorny croft and Co., Limited, 534, 542 Meandros. Steamship, Engines for, J. I. Thornycroft and Co., Limited, 152 Mesta Machine Company’s 25,000 H.P. Geared

 Steam Mill Engine, 110

Metropolitan District Railway Cars, 660, 662 Metropolitan - Vickers Electrical Company, Turbo-alternator Set at Stoke-on-Trent, 151 Milnes, Henry, 3fin. Lathe, 358, 359 Mirabello, Italian Flotilla Leader, 267, 278 Morgan, A. and J., Bolt-hole Widening and Boring Machine, 540, 541 Mumford, A. G., Limited, Boiler Feed-water Regulator, 352 Murray River, Australia, Improvement, 171, 180 N .NAPIER 450 H.P. “ Lion ” Engine, 78, 86 National Gas Engine Company, Paraffin, Petrol or Gas Engine, 8, 9 National Gas Engine Company, 120 H.P. Three- cylinder Vertical Gas Engine, 567 Newall Gauge Company, One-millionth Inch Measuring Machine, 474 Newton 3£ -Ton Electric Tipping Wagon, 424, 425 New York Water Supply, Gilboa Darn and Shandaken Tunnel, 627 Now Zealand Locomotives, Recent, 142 Niagara, Hydro-electric Developments at, 608 Noble and Lund’s Electrically-driven Planing Machine, 619 North-Eastern Railway Mineral Locomotive, 186 {Two-page Supplement, August 20th, t 1920) Norton Universal Grinding Machine, 271, 274 o OERLIKON Single-phase Electric Goods Locomotives, 112, 115 {Two page Supplement, July 30th, 1920) Olympia. Commercial Motor Vehicle Exhibition, 400, 404, 424, 425 Olympia, International Aero Exhibition, 52, 62 {Two-page Supplement, July 10th, 1920) Olympia, Machine Tool Exhibition at, 228, 232, 233, 244, 254, 269, 274, 291, 302, 328, 331, 357 Olympia and White Citv Motor Car Show, 450, 476 Owens, Dr. J. S., on the Removal of Reefs in the Rio G uadi ana, 201 Oxford, Worcester and Wolverhampton 2-4-0 Engine, 370 p PARKINSON, J., and Son, Improved Sunderland Gear Planer, Universal Milling Machine, 357, 358 Perry, F. B., on the Uniflow Steam Engine, 104, 113 Pierremont and Marske Locomotives, 1837, 420 Plenty and Son, High-compression Marine Oil Engine, 224, 225 Pletts, J. St. V., Useful Drawing Implements, 670 Pneumercator Tank Gauge, Kelvin, Bottomley and Baird, Limited, 505, 506 Poerio, Italian Flotilla Leader, 267, 278 Poultney, E. C., London and North-Western Oil-fuel Burning Locomotive, 243; Great Northern Three cylinder Goods Engine, 652, 654, 663 {Two page. Supplement, December 31s£, 1920)—see also Locomotive Footplate Experiences, 324, 346, 367, 482, 588 Precision Motor Cycle Works, Birmingham, F. E. Baker, Limited, 575, 586 Prinses Juliana Cross-Channel Dutch Steamer, 174 Punshon’s,Locomotive Gear of 1839, 16 Q “ QUEEN ’ Class Locomotive, 1837, 420 R “ RABY CASTLE ” Class Engine, 1839, 420 Railway Foundry, Leeds (E. B. Wilson and Co.), E. L. Ahrons, 369 Raleigh, H.M. Light Cruiser, William Beard- more and Co., Limited, 374 Ramsay Marine Governor, Ramsay Marine Engineering Company, Limited, 538 Ransome and Maries Bearing Company, Roller and Ball Bearings, 333 Ransomes,. Sims and Jefferies, Limited, “The Boon ” Motor Plough, 33 Ransomes, Sims and Jefferies 34-Ton Electric- Tipping Wagon, with Reducing Gear, 402, 404 Ransomes, Sims and Jefferies Steam Wagon, and Boiler, 582, 583 Rapid Magnetting Machine Company, Magnetic Ore Separator, 361 Renault 7-Ton Tipping Wagon and Reduction Gear, 424, 425, 426 Rheograph Water Flow Recorder, United Water Softeners, Limited, 42 Richards, George, and Co., Keyway Cutting Machine 293 Richards, George, and Co., Taper-turning Head for Vertical Boring Mills, 485 Rio Guadiana, Removal of Reefs in, Dr. J. S. Owens, 201 Robinson, Thomas, and Son, Vertical Band Saw and Rack Bench, 658, 659 Rolls-Royce 600 H.P. “ Condor ” Engine. 78, 86 Rolls-Royce Touring Car, 499 Roosevelt, Theodore, Motor Ship, 236 Royal Agricultural Show at Darlington, 8, 32. 58 Royal George, Stockton and Darlington Railway Engine, 1827, 49 s SCARAB Liquid Fuel Burner, 243 Schneider and Co., Messrs., Iron, Steel and Engineering Works {Sixteen-page Supplement awl Four-page Supplement, September 17 th, 1920) —see also Creusot, &c. Selson Engineering Company’s Electric Drill, 359, 360 Selson Engineering Company, Small Swiss Lathes, 328, 333 Serck Radiators, Oil Cooler, 540 Seth Boyden’s Engine of 1837, 15 Sharp, Roberts and Co.’s Engines, 15 Sheffield-Simplex Chassis of 50 H.P. Six- Cylinder Car, 477 Short Brothers’ All-metal Freight Biplane. “ Silver Streak,” 52, 53, 62 Siddeloy 300 H.P. Air-cooled Engine and 500 H.P. “Tiger” Engine, 78, 86 “Silver Streak,” All-metal Freight Biplane, Short Brothers, Limited, 52, 53, 62 Singer Tower, New York, 27 Smith and Coventry, Limited, Sensitive Drilling Machine, 359 Smith and Coventry, Limited, Spiral Bevel Gear Planer, 232, 233 Smithfield Club Show, 582 Smulders, A. F., 200-Ton Floating Crane, for Liverpool, 375, 378 Spence, Hugh S., on Concentrating Graphite, 258 “Still” and “Sulzer” Marine Oil Engines Indicator Diagrams, 90 Stirk, John, and Sons, Limited, Electrically- driven Planing Machine, 245, 246 Stockton and Darlington Railway Engines, 1825, 1827 and 1833-1860, 49, 419 Straker-Squire Gully Clearing Wagon, 424, 425 Sunderland Gear Planer, J. Parkinson and Son,

 Limited, 357, 358

Supermarine Aviation Works Flying Boat, 53, 54 {Supplement, July 10th, 1920) Swindon Works in War Time, 27, 36 Swinton, Alan A. C., on Wireless Telegraphy and Telephony, 592 Swiss Federal Railways Single-phase Electric Goods Locomotives, 112, 115 {Two-page Supplement, July 30*7?., 1920) T TANGYE, George (Portrait), 381 Tangyes Limited, Railway Axle Machining Equipment, 508, 512 Tasmania, Hydro-electric Power Works at the Great Lake, 3, 12, 40 {Two-page Supplement, J illy 2nd, 1920) Taurus Mountains, Baghdad Railway, Overhead Ropeway, 470, 480 Thomson, Hedley, Fit Testing Apparatus, 474 Thornycroft, J. I., and Co., Cargo Steamer Meandros Launched at Woolston, Engines, 152, 534, 542 Thornycroft, 40 H.P. Type J Lorry, 3|-Ton Tipping Wagon, 400, 401 Tilling-Stevens Motor Omnibus and Chassis, 424, 425 Toolmakers and Light Machinery, Limited, 4in. Bench Lathes, 328, 333 Trinity Vestry Building and Tunnels, 25 u UNIFLOW Air Pump, 104 “ Unit ” Experimental Diesel Engine at the Admiralty Laboratory, 93, 94 United Alkali Company’s New Power Station, 56 United Water Softeners, Limited, Rheograph Water Flow Recorder, 42 V VAMMA, Norway, Power-house and Dam, 324 Vernon’s Chip Remover for Circular Saws, 270, 274 Vickers Limited, Aircraft Works, Weybridge, 444, 454 Vickers Limited, 54in. Broaching Machine, 294, 295, 302 Vickers-Vimy Commercial Machine, 445, 454 Vulcan End-tipping Wagon, 30-Cwt., 400, 401 Vulcan Motor and Engineering Company’s Labour-saving Devices. 132, 133, 136 WALKER, Dr. W. J., on Thermodynamic Cycles in Relation to Internal Combustion Engines, 640, 655, 666 Walker Travelling Gantry Crane, 631 Wallace Farm Implements, Limited, Burt Single Sleeve-valve Petrol Engine, 154, 155, 158 Wallace and Tiernan, Chlorinators, 531, 564 Walschaerts’ Locomotive Gear of 1844, 17 Ward, Haggas and Smith, Open-sided Planer, 293 Ward, H. W., and Co., Capstan and Turret Lathes, 293, 295, 302. Watkinson, Professor W. H., on Dynamical Method for Raising Gases to a High Temperature, 198 Watson, Laidlaw and Co., 50-Gallon Cream Separator, 10 Welch, Professor J. J., on Design and Construe tion of Mercantile Vessels, &c., 34, 39 Wellman Bibby Company, Flexible Coupling for Shafting, 252 White, E. T., and Co., 11.9 H.P. Four-cylinder Motor Car Engine, 476, 477 White, J. S., and Co., H.M. Destroyer Wolverine, 130 Whitecross Wire Rod Rolling Mill, Electrically- driven, 250, 251 Wicksteed, Charles, and Co., Limited, Portable Drilling and Grinding Outfits, Electrical. 360, 361 ; Single-purpose Lathe, 293, 302 Wilson, J. H., and Co., 5-Ton Gantry Crane, 462 Wilson, W. H., and Miss T. D. Epps, on Construction of Thermo-couples by Elec I redeposition, 143 Wolverine, H.M. Destroyer, J. S. White and Co., Limited, 130 Wolverton, London and North-Western Railway, Train for the Commander-in-Chief, 163 ZEELAND Steamship Company’s Steamer

 Prinses Juliana, 174

A AERONAUTICS :

 Aeroplane Engines—see also Engines

All-metal Freight Aeroplane, “ Silver Streak,” Short Brothers, Limited, 52, 53, 62 Avro Five-seater Passenger Triplane, 78 Bristol “ Pullman ” Triplane, Bristol Aeroplane Company, 52 {Supplement, July 10th, 1920) Bristol Seaplane, Bristol Aeroplane Com - pany, Limited, 488 Flying Boat, Supermarine Aviation Works, 53, 54 {Supplement, July 10th, 1920) Handley Page Aeroplane Wing, 421 International Aero Exhibition at Olympia, 52, 62, 78, 86 {Two-page Supplement, July 10th, 1920) Martinsyde Type “A” Freight Carrier, 54 {Supplement, July 10th, 1920) Parachutes and Quick-release Device, E. R.

    Calthrop’s Aerial Patents, Limited, 79, 80
  Riveting on to Small Tubes, 460

Single-seater Monoplane, “ The Crow,” and Five-seater Commercial Aeroplane, British Aerial Transport Company, 53 {Supplement, July 10th, 1920) Three-seater Seaplane “ Centaur,” Central Aircraft Company, 53 {Supplement, July 10th, 1920) W 8 Type Passenger Biplane, Handley Page, 52 {Supplement, July 10th, 1920) AGRICULTURAL Implements at Smithfield Club Show, 582 Agricultural Show at Darlington, 8, 32, 58 •Air Filter, Cleworth, Wheal and Co., 504, 505 Air Pump, The Uniflow, F. B. Perry, 104, 113 Automatic Current Motor, F. L. Gilman, 308 Automatic Feed Regulator, A. G. Mumford, Limited, 352 Axle Machining Equipment, Railway, Tangyes, Limited, 508, 512 B BEARINGS, Roller and Ball, Ransome and

  Maries Bearing Company, 333

c CARS—see Motor, also Railway Casting Pipe Specials in Green Sand, E. A. V, Linzey, 226 Chains for Power Transmission; Brampton Brothers, Limited, 248 Characteristics of a Marine Propeller in a Non- Uniform Stream, Professor T. B. Abell, 291 Chassis—see Motor Car Chlorinating Plants on Lorries, Military 564 Chlorinators, Wallace and Tiernan, 531, 564 CO2 Recorder, Electrical, Cambridge and Paul Instrument Company, 333, 334 Cogging Mill, Two-high Reversing, Creusot, Schneider and Co (vii, Sixteen-page Supplement and Four-page Supplement, September 17th, 1920) Concentrating Graphite, Hugh S. Spence, 258 Concrete Floor Arch at Thatcham, Berks, Test of, 408 Concrete Mixing Machinery, American, 193, 197, 275, 343, 354, 382 Condensers, Surface, Luther D. Lovekin, 618 Coupling, Hose, E. Barnfather, 590 Crane, 150-Ton Floating, Cowans, Sheldon and Co., Limited, 18 Crane, 200-Ton Floating, for Liverpool, A. F. Smulders, 375, 378 Crane, 5-Ton Gantry, J. H. Wilson and Co., Limited, 462 Crane, Overhead Travelling, with Telescopic Cage, Sir William Arrol and Co., Limited, 66 Crane, Travelling Gantry, J. H. Walker, 631 Cream Separator, 50-Gallon, Watson, Laidlaw and Co., 10 Cultivator and Reversible Harrow, J. and 11. McLaren, 582 Cultivator—see also Ploughing Machines Cutting-off Machines—see Machine Tools D DRAyVlNG Implements, J. St. V. Fletts, 670 Dredger. Hopper, Steel Steamer Hydro for Lake Michigan, 176, 177 Drill, Steam, The Ingersoll, and Drilling Barge, 202 Drills—see also Machine Tools Dynamical Method for Raising Gases to a High Temperature, Professor W. H. Watkinson, 198 ECONOMISERS—see Feed Heating ELECTRICAL MATTERS: Blast-furnace Gas Engine and Electric Generator, Creusot Works, Schneider and Co (u, Sixteen-page Supplement, September 17th, 1920) CO2 Recorder, Cambridge and Paul Instrument Company, 335 Dynamo Erecting Shop at Champagne-sur- Seine Works, Schneider and Co (xii, xiii, Sixteen.-page Supplement, September 17th, 1920) Ebbw Vale Works and Collieries, Electrification, Walter Dixon, 299, 306 Enclosed Motor for Steel Works, Bruce Peebles and Co., 504 Glasgow, Shipbuilding, Engineering and Electrical Exhibition at, 504 Hydro-electric Power Works at Great Lake, Tasmania, 3, 12, 40 {Two-page Supplement, July 2nd, 1920)

 Locomotives—see Locomotives

Magnetic Ore Separator, Rapid Magnetting Machine Company, 361 Millivoltmeter for Pyrometer Work, Foster Instrument Company, 247 Motor Car Chassis, Crown Magnetic, 498 ; (Letters), 528, 558, 606 Motor Switch Pane], British Thomson- Houston Company, 247, 248 Newton Brothers, Tilling-Stevens Motors, Limited, 424, 425—see also Separate Headings Oil-electric Drive on Shipboard, American Beam Trawler Mariner and Auxiliary Yachts Elfay and Guinivere, 612. 616 Oil Switches for Large Electrical Supply Systems, 220 Olympia Commercial Motor Exhibition, Electric Vehicles, R. Garrett and Sons, Ransomes, Sims and Jefferies, General Vehicle Company, 402, 404, 425 Portable A.C. Welding Equipment, Alloy Welding Processes, Limited, 360. 361 Power Station at Gainsborough, Marshall, Sons and Co., 106 Pyrometer, Radiation, and Thermo-couple Recorder, Foster Instrument Company, 247

 Railways—see Railways

Relay Motor Starter, Electrical Apparatus Company, 332 Resistance Charging Unit, Igranic Electric Company, 235 Split Field Motor Drive for Planer, J. Stirk and Sons, Limited, 245, 246 Thermo-couples, Electrolytically-deposited, W. H. Wilson and Miss T. D. Epps, 143 ELECTRICAL MATTERS (continued): Thermometer, Electrical Distance, Cambridge and Paul Instrument Company, 335 Trucks, Electric, at Olympia, 234, 235, 246, 247 Turbo-alternator, 10,000 K.W., 1260 R.P.M., Creusot Works, Schneider and Co (v, Sixteen-page Supplement, September 11th, 1920) Turbo-alternators, Set at Stoke-on-Trent, Metropolitan-ATickers Electrical Company, United Alkali Company’s New Power Station, 56 Vamma Hydro-electric Plant, Power-house and Dam, 324 ELECTRO-DEPOSITED Iron : Its Value, &c..

 W. E. Hughes, 350

ENGINES AND MOTORS : Blast-furnace Gas-blowing Engine, 3000 H.P., Building a, Creusot Works, Schneider and Co. (v, Sixteen-page Supplement, September 11th, 1920) Blast-furnace Gas Blowing Engines and Turbo Blower at La Normande Works, Schneider and Co (xi, xii, xiii, xiv, Sixteen- page Supplement, September 11th, 1920) Blast-furnace Gas Engine and Electric Generator, Creusot Works, Schneider anti Co. (ii, Sixteen-page Supplement, September 11th, 1920) Burt Single Sleeve Valve Petrol Engine, Wallace Farm Implements, Limited, 154, 155, 158 Cocker ill Blast-furnace Gas Engines, Valve Gear, &c., Professor H. Hubert, 495; (Letter), 558 Diesel Engines for South America, Hick, Hargreaves and Co., Limited, 210 Engines at the International Aero Exhibition, 52, 78, 86 Experimental 300 H.P. Single - cylinder Marine Diesel Engine, 93, 94 Gas Engine, 6 H.P. at Darlington Show, Governor Mechanism, &c., Crossley Brothers, Limited, 8, 9 High-compression Marine Oil Engine, Plenty and Son, Limited, 224, 225 • Italian Coastal Torpedo Boats’ Engines,

   C. and T. T. Pattison, 630, 638

Lincolnshire Oil Engines, Some, F. H. Livens, 103, 108, 140^ Mariner, Beam Trawler, Engines of the, 612, 616 Meandros, ss., Engines for, J. I. Thornycroft and Co., Limited, 152, 534, 542 Motor Car Engine, Eight-cylinder, Leyland Motors, Limited, 476, 477 Motor Car Engine, 11.9 H.P. Four-cylinder.

   E. T. White and Co., 476, 477

Oil Engine Winch, Hamworthy Engineering Company, Limited, 58 Paraffin, Petrol or Gas 5 H.P. Engine, National Gas Engine Company, Limited, 8, 9 Petrol of Paraffin Motor Windlass for Cable- Haulage Ploughing, J. and H. McLaren, 32 Ramsay Marine Engine Governor, 538 Rolling Mill Geared Steam Engine, 25,000

   H.P?, Mesta Machine Company, 110

Steam Wagon, William Foster and Co., Limited, 58 “Still” and ‘’Sulzer” Oil Engines, Marine, Indicator Diagrams, 90 Surface Ignition Engine, W. H. Allen, Son and Co., 32 Thermodynamic Cycles in Relation to Internal Combustion Engines, Dr. W. J. 'Walker, 640, 655, 666 Uniflow Steam Engine, F. B. Perry, 104, 113 Valves for Steam and Gas Engines, Charles Hurst, 153 Vertical Gas Engine, 120 H.P., National Gas Engine Company, 567 EXCAVATOR Practice, Recent, F. H. Livens and W. Barnes, 82 EXHIBITIONS. Commercial Motor Vehicle, at Olympia, 400. 404, 424, 425 International Aero, at Olympia, 52, 62, 78, 86 (Two-page Supplement, July 10th, 1920) Machine Tool and Engineering, at Olympia, 228, 232, 233, 244, 254, 269, 274, 291, 302, 328, 331, 357, 508, 512

 Motor Car Show', 450, 476, 498

Shipbuilding, Engineering and Electrical Exhibition at Glasgow’, 504, 538 F FEED Heating for Land Power Stations, K. Baumann, 101, 127, 150 Filter, Experimental, Sir A. C. Houston s Report, 218 Firms, Famous, Short Histories of, 102, 369, 419 Flexible Coupling for Shafting, Wellman

 Bibby Company, 252

Force and Power of Waves, I. Hiroi, 184 Forging Shells at Swindon Works, 27, 36 Furnace, Open Hearth, Breuil — see Iron and Steel G “ GALECO ” Galvanising Equipment, 539, 540 Garden City, St. Eugene, Creusot, Schneider and Co. (xv, Sixteen-page Supplement, September 11th, 1920) Gas Engines—see Engines Gases, Raising, to a High Temperature, Dynamical Method for, Professor W. H. Watkinson, 198 Gauge—see also Tank Gauge Gauges, Hardened Screw, Manufacture of, Coventry Gauge and Tool Company, 310, 311 Graphite, Concentrating, Hugh S. Spence, 258 Grinding Machines—see Machine Tools Gully-clearing—see Wagon Gun, German Giant, Sir George Greenhill, 651 Guns and Gun Carriages at Swindon in War Time, 27, 36 H HARDENED Screw Gauges—see Gauges Histories, Short, of Famous Firms, 102, 369, 4 19 Hopper—see Dredger Hose Coupling, E. Barnfather, 590 Howitzer, 12in., on Railway Truck Mounting, Sir W. G. Armstrong, Whitworth and Co.. Limited, 204, 209 Hydro-electric Developments at Niagara, 608 Hydro-electric Plant at Vamma, Norway, 324 Hydro-electric Power Works at Great Lake, Tasmania, 3, 12, 40 (Two-page Supplement, July 2nd, 1920) I IRON AND STEEL: Ebbw Vale Works, Electrification, Walter Dixon, 299, 306 Electro-deposited Iron : Its Value, &c., W. E. Hughes, 350 Iron, Steel, and Engineering Works of Messrs. Schneider and Co. : (Sixteen -page Supplement and Four-page Supplement, September 11th, 1920) Blast-furnace, No. 3, Under Construction, Creusot Works, Schneider and Co. (ii, in, iv, Sixteen-page Supplement, September 11th, 1920) Blast-furnaces at La Normande Works, Caen, Schneider and Co. (ix, xi, xii, Sixteen-page Supplement, September 11th, 1920) Breuil Steel Works, Schneider and Co. (i, vi, vii, x, Sixteen-page Supplement and Four- page Supplement, September 11th, 1920) Cogging Mill at La Normande Works, Schneider and Co. (ix, xiv, Sixteen-page Supplement, September 11th, 1920) Furnace, “ Electro-metals,” 3.5-Tonj Creusot, Schneider and Co. (vii, Sixteen-page Supplement and Four page Supplement, September 11th, 1920) Furnace, Mill Re-heating, Creusot, Schneider and Co. (viii, Sixteen-page Supplement and Four-page Supplement, September 11th, 1920) Furnace, 12-Ton Tilting, Creusot Works, Schneider and Co. (ii, Sixteen-page Supplement, September 11th, 1920) La Normande Steel Works, Caen, Schneider and Co. (ix, xi, xii, Sixteen-page Supplement, September 11th, 1920) Metal Mixer, 700-Ton Gas-fired, La Normande Works, Schneider and Co. (xiv, xv, Sixteen-page Supplement, September 11th, 1920) Open-hearth Furnace, 60-Ton, and Shop, Charging Side and Tapping Side, Breuil, Schneider and Co. (vi, x, Sixteen-page Supplement and Four-page Supplement, September 11th, 1920) Open-hearth Ingot Stripper, La Normande Works, Schneider and Co. (xiv, xv, Sixteen-page Supplement, September 11th, 1920) IRTHLINGBOROUGH Iron Mine, 177 L LABOUR-SAVING Devices at the Vulcan Motor and Engineering Company’s Works, 132, 133, 136 Lathes—see Machine Tools Leather Belt, New Type, The Adhex, Monsieur Henri Guillou, 590 ; (Letter), 606 Lincolnshire Oil Engines, F. H. Livens, 103, 108 Liquid Fuel Burner, Scarab Oil Burning Company, 243 Locks on the Murray River, Australia, 171, 180 Locomotive, Derwent Goods and Mineral, 1845, 420 Locomotive and Gears of 1833, J. and C. Carmichael, 15, 16 Locomotive, Great Northern Three-cylinder Fast Goods, 652, 654, 663 (Two-page Supplement, December '31st, 1920) Locomotive, London and North-Western Oil Fuel Burning, E. C. Poultney, 243 Locomotive, North-Eastern Railway Mineral, 186 (Two-page Supplement, August 20th, 1920) Locomotive of 1837, Seth Boyden, 15 Locomotive, 4-6-2 Type Pacific, New Zealand

 Government Railway, 142

Locomotive, “Queen” Class, 1837, 420 Locomotive, “ Raby Castle ” Class, 1839, 420 Locomotive, 4-6-4 Type Tank, New Zealand

 Government Railway, 142

Locomotive Valve Gear, Development of, James Dunlop, 15, 49 Locomotive Works, W. Beardmore and Co., 149 (Two-page Supplement, August 13th, 1920) Locomotives on the Baghdad Railway, 552, 553, 554 Locomotives Built at the Railway Foundry, Leeds, 369 Locomotives of 1833, “Experiment,” and 1834, Dublin and Kingstown Railway, Sharp, Roberts and Co., 15 Locomotives, High-pressure Geared, Bell Loco motive Works, 461 Locomotives by Messrs. B. Hick and Son, Bolton, Birmingham and Gloucester Railway, 1840, Midland Railway, 1844, 103 Locomotives, “ Pierrernont ” and “ Marske,” 1855, 420 Locomotives, Single-phase Electric Goods, Swiss Federal Railways, 112, 115 (Two-page Supplement, July 30th, 1920) Locomotives, Steam and Electric, Diagrams of, 530 Locomotives for the Stockton and Darlington

 Railway, 1825, 1827, 49, 419

Lorry, 5-Ton Tipping, Hallford, 425, 426 M MACHINE TOOLS: Automatic Nut Chasing Machine, J. Holroyd and Co., Limited, 357 MACHINE TOOLS (continued) : Axle Facing and Centering Machine, Axle Turning Lathe, Tangyes Limited, 508, 512 Bar-grinding Machine, Centreless, J. Holroyd and Co., Limited, 357 Bateman High-speed Planing Machine, with Electric Drive, 292 Bolt-Hole Widening and Boring Machine, A. and J. Morgan, 540, 541 Broaching Machine, 70in., Alfred Herbert, Limited, 270, 274

 Broaching Machine, 54in., Vickers Limited,
   294, 295, 302

Centering Machine, John Lang and Sons, 358 Cold-sawing Machine with Chip Remover, Alfred Herbert, Limited, 270, 274

 Cutting-off Machines, Clifton and Baird, 269

Double Helical Gear Generator, David Brown and Sons, Limited, 291, 302 Drilling and Grinding Machines, A. A. Jones and Shipman, 270, 274 Drilling Machine, Ball Bearing, Sensitive and Belt-changing Gear, Smith and Coventry, Limited, 359

 Drilling Machine, Multi-spindle, the Baush,
   270, 274

Drilling Machine, Sensitive, B.S.A. Tools, Limited, 246 Drilling Machines, Radial, William Asquith, Limited, 245, 254 Electric Drill, Selson Engineering Company, 359, 360 Electric Drilling and Grinding Outfits, Portable, Charles Wicksteed and Co., Limited, 360, 361 Electric Drills and Magnetic Tool Post, Consolidated Pneumatic Tool Company, 360 Exhibition, Machine Tool and Engineering, at Olympia, 228, 232, 233, 244, 254, 269. 274, 291, 302, 328, 331, 357, 508, 512 Gear Planer, Improved Sunderland, J. Parkinson and Son, 357, 358 Grinder, Electric, Consolidated Pneumatic Tool Company, 360 Grinding Machine, 14in. by 16in. Plain, Churchill and Co., Limited, 332 Heavy Planing Machine, Creusot Works, Schneider and Co. (xiii, Sixteen-page Supplement, September 11th, 1920) Keyway Cutting Machine, George Richards and Co., 293 Lathe, 71 in. Capstan, H. W. Ward and Co., Limited, 293, 302 Lathe, 13in. Combination Turret, H. W.

   Ward and Co., Limited, 295
 Lathe, 3fin., Henry Milnes, 358, 359

Lathe, 8|in. Repetition, Dean, Smith and Grace, 359 Lathe. Single-purpose, Charles Wicksteed and Co., Limited, 293, 302 Lathes, Some Small, Exhibited at Olympia, 328, 331 Machine Tools at Bcardmore’s Locomotive Works, 119 (Two-page Supplement, August 13th, 1920) • Machine Tools at the Works of the Vulcan Motor and Engineering Company, 132, 133 Milling Machine, Universal, J. Parkinson and Son, 357, 358 Milling Machines, Horizontal and Vertical, James Archdale and Co., 244, 245, 254 Milling Machines, Vertical, and Plano and Milling Cutter, Kendall and Gent, Limited,

   295, 296

Open-sided Planing Machine, Ward, Haggas and Smith, 293 Planing Machine, Electrically-driven, Noble and Lund, Limited, 619 Planing Machine, “ Hiloplane,” Electrically- driven, John Stirk and Sons, Limited, 245, 246 Radial Drilling Machine, Alfred Herbert, Limited, 270, 271 Sawing Machine, Radial, E. G. Herbert, Limited, 246 Scarfing and Milling Machine, J. W. Barnes, Limited, 162 Spiral Bevel Gear Planing Machine, Smith and Coventry, Limited, 232, 233 Spur Gear Generator, D. Brown and Sons, Limited, 233, 234 Swiss “Autometric” Lathe, Screw-cutting Lathe, Bench Lathe, Andre Bechler, Selson Engineering Company, 328, 333 Taper Turning Head for Vertical Boring Mills, G. Richards and Co., Limited, 485 Twist Drill Sharpening and Thinning Machine, Herbert Hunt and Sons, 237 Universal Grinding Machine, The Norton,

   271, 274

Vertical Milling Machine, Alfred Herbert, Limited, 271, 272 Worm and Worm Wheel Machinery at Olympia, David Brown and Sons, Limited, 228, 234 MACHINERY of the American Beam Trawler

 Mariner, 612, 616

MAPS : Baghdad Railway and Connections, 469, 524 Derby and River Derwent, 471, 472

 New York Water Supply, Topography, 627
 Severn Estuary, Proposed Barrage, 562

Tunnels through the Taurus and Amanns Mountains, Baghdad Railway, 524, 526 MEASURING Machine, One-Millionth-inch, Newall Qauge Company, 474 Mercury Vapour Boiler, W. L. R. Emmet, 516 Milling Machines—see Machine Tools Millivoltmeter, Motors, Switches, &c.—see

 Electrical Matters

Mine, Iron—see Iron Motor, Automatic Current, F. L. Gilman, 308 Motor Car, 19.6 H.P., Crossley Motors, Limited, 450 Motor Car, Eight-cylinder, Leyland Motors. Limited, 476, 477 Motor Car, Touring, Rolls-Royce, Limited, 499 Motor Car Chassis, “ Crown Magnetic,” 498, 499 ; (Letters), 528, 558, 606 Motor Car, 50 H.P. Six-cylinder, Chassis of, Sheffield-Simplex, 477 Motor Car Show, 450, 476, 498 Motor Car Works—see Machine Tools at Motor Cycle Works, Birmingham, F. E. Baker, Limited, 575, 586 Motor Landaulet, Six-cylinder, Armstrong- Siddcley, 476, 478 Motor Tractor and Ploughing Windlass, J. and H. McLaren, 582 Motor Vehicle, Commercial, Exhibition, 400, 404, 424, 425 Movable Shop End at Chalon Works, Schneider and Co. (xi, xiv, Sixteen-page Supplement, September 11th, 1920) N NAVVY Bucket and Coke Loading Excavator, F. H. Livens and W. Barnes, 82 o OIL Cooler, Serck Radiators, 540 Oil Engines—see Engines Oil Switches for Large Electrical Supply Systems, 220 Oil Transmission System, R. F. Carey, 284 Omnibus, Motor, and Chassis, Tilling-Stevens Motors, Limited, 424, 425 Open-hearth Furnace—see Iron and Steel Ore Separator, Magnetic, Rapid Magnetting Machine Company, 361 p PARAFFIN and Petrol Engines—see Engines Petrol Tramcars for India, McEwan, Pratt and Co., 513 Pipe Specials, Casting, in Green Sand, E. A. V.

 Linzey, 226

Planing Machines—see Machine Tools Plough, “The Boon” Motor, Ransomes, Sims and Jefferies, Limited, 33 Ploughing, Cable-haulage, Motor Windlass for, J. and H. McLaren, 32, 582 Ploughing Machines and Appliances, John Fowler and Co., Limited, 428, 434 Portrait, Joseph Adamson, 182 Portrait, Charles John Bowen Cooke, 397 Portrait, Sir William Mather, 305 Portrait, George Tangye, 381 Potato Digger, A. C. Bamlett, Limited, 59 Power Station, Marshall, Sons and Co., Gainsborough, 106 Power Stations, Land, Feed Heating for, 101, 127, 150 Press, 1000-Ton Flanging, Creusot, Schneider and Co. (viii, Sixteen-page Supplement and Four-page Supplement, September 11th, 1920) Press, 2000-Ton Forging, Creusot, Schneider and Co. (viii, Sixteen-page Supplement and Four-page Supplement, September 11th, 1920) Presses, 8000-Ton and 5000-Ton Armour Plate Bending, Creusot, Schneider and Co. (viii, Sixteen-page Supplement and Four-page Supplement, September 11th, 1920) Propellers, Marine—see Ships Pump, High-speed Plunger, B. C. B. Pump

 Manufacturing Company, Limited, 539

Pump, Uniflow Air, 104, 113 Pyrometers, Electrical—see Electrical Matters R RADIOLOGICAL Testing of Materials, A. P.

 M. Fleming and J. R. Clarke, 642

Railway Axle Machining Equipment, Tangyes Limited, 508, 512 Railway, Baghdad, Major D. G. Heslop, 469, 480, 523, 551, 560, 601 (Two-page Coloured Supplement, November 20th, 1920) Railway Cars, Metropolitan District Railway, 660, 662 Railway Collision, Lowstock Junction, 348 Railway, Ealing and Shepherd’s Bush, 118 Railway Workshops in War Time, 27, 36, 77 Railways, Indian, Electrification of, 530 Reclamation of Derwent Valley River Lands, 470 Recorder—see Water Flow Removal of Reefs in the Rio Guadiana, Dr.

 J. S. Owens, 201

Resistance Units—see Electrical Matters River Murray, Australia, Improvement, 171, 180 Riveting on to Small Tubes, 460 Rolling JXIill Engines—see Engines Rolling Mill, Wire Rod, Electrically-driven, Whitecross Company, Limited, 250, 251 Ropeway, Overhead, Taurus Mountains, 470, 480 Rust-proofing Process, “ Galeco,” 539, 540 s SAW, Vertical Band, and Rack Bench, Thomas Robinson and Son, Limited, 658, 659 Scarfing Machines—see Machine Tools Screw Gauges—see Gauges Separator—see Cream SHIPS AND SHIPPING MATTERS General: Damage to Ships by Mine and by Torpedo, Paper by Professor J. J. Welch, 34, 39 Design and Construction of Mercantile Vessels, Professor J. J. Welch, 34, 39 “ Pneumercator ” Tank Gauge, Kelvin, Bottomley and Baird, Limited, 505, 506 Ramsay Marine Engine Governor, 538 Shipbuilding, Engineering and Electrical Exhibition at Glasgow—see Exhibitions British Navy: Delhi, H.M. Destroyer, J. S. White and Co., 130 Ex-German Battleship Baden and the Cruiser Nurnberg, 319 (Two-page Supplement, October ls£, 1920) Raleigh, H.M. Light Cruiser. William Beard- more and Co., Limited, 374

SHIPS AND SHIPPING MATTERS (continued) Foreign Navies: Italian Flotilla Leaders, “ Mirabello ’ and “ Poerio ” Classes, 267, 278, 630, 638 Italian Torpedo Craft, Aquila, Sparviero, Antonio Mosto and 42 P.N.. Messrs. C. and T. T. Pattison, 630, 638 Miscellaneous Vessels: American Oil-electric Auxiliary Yachts, Elfay and Guinivere, 617 Dutch Cross-Channel Steamer Prinses Juliana, 174 Fullagar, Motor Ship, Cammell Laird and Co., Limited, 69 Hydro, Steel Steamer Hopper Dredger for Lake Michigan, 176, 177 Mariner, American Oil electric Driven Beam Trawler, 612, 616 Meandros, Cargo Steamship and Engines, J. I. Thornycroft and Co., Limited, 152, 534, 542 Motor Ship Theodore Roosevelt, Burmeister and Wain, 236 SHOW. Motor Car—see Exhibitions Show, Royal Agricultural, at Darlington, 8, 32, 58 Show', Smithfield Club, 582 Signals on the Baghdad Railway, 602 Spur Gear—see Machine Tools Steam Engines—see Engines Steam Feed-water Heaters—see Feed Heating i Steam Wagon and Boiler, Ransomes, Sims and

  Jefferies, 582, 583

Sterilisation of Water by Chlorine Gas, Captain

  J. S. Arthur, 527, 531, 564

Stresses in Portals and Similar Structures,

  Talbot C. Broom, 368, 393, 417

Surface Condensers, Luther D. Lovekin, 618 TANK Gauge, Pneumercator, Kelvin, Bottom- ley and Baird, Limited, 505, 506 Test of a Concrete Floor Arch, 408 Testing, Fit, Apparatus, Hedley Thomson, 474 Testing of Materials, Radiological, A. P. M.

 Fleming and J. R. Clarke, 642

Thermo-couples—see Electrical Matters Thermodynamic Cycles—see Engines Thermometer, Electrical Distance, Cambridge and Pau! Instrument Company, 335 Tidal Power, Studies in, Norman Davey, 556, 578, 603, 634, 652 ; (Letters), 606, 644 Tire Finishing Mill and Tire Roughing Mill, Creusot, Schneider and Co. (viii,Sixteen-page Supplement and Four-page Supplement, September 17//.', 1920) 'Pool, Portable, for Bolt-hole Widening and Boring, A. and J. Morgan, Limited, 540, 541 Tools for Riveted Joints with Small Tubes in Aeroplane Work, 460 Tractor Plough, “The Boon” Motor, Ransomes, Sims and Jefferies, Limited, 33 Train for the Commander-in-Chief, 163 Tramcars, Petrol, for India, McEwan, Pratt and Co., 513 Travelling Gantry Steam Crane, 5-Ton, J. 11.

 Wilson and Co., 462

Trawler—sec. Ships Truck, Motor, Three-wheeled, Clark Truck- tractor Company, 92 Truck, 2-Ton Electric, Greenwood and Batlev. 246, 247 Trucks, Electric, Irwin and Jones, 234, 235 Tunnel, Hudson River Vehicular, 394 Tunnels on the Baghdad Railway, 523 (Two- page Coloured. Supplement, November 2(lth, 1920) Turbine for Vamma Hydro-electric Power Plant, 324, 326 Turbines, 8000 H.P. Pelton, for Tasmania, Boving and Co., Limited, 3, 12, 40 (Two-page Supplement, .July 2nd, 1920) Turbo-alternators—see Electrical Matters Twist Drills—rsee Machine Tools UNDERPINNING and Foundations of Heavy Buildings, 25 V VALVES and Gear, Locomotive—see Locomotives Valves, Self-acting Throttle, Sluice and Inlet, for Tasmania, 3, 12 (Two-page Supplement, July 2nd, 1920) Valves for Steam and Gas Engines, Charles Hurst, 152 WAGON, Gully-clearing, Straker-Squire, Limited, 424, 425 Wagon, Steam, and Boiler, Ransomes, Sims and Jefferies, 582, 583 Wagon, Steam, William Foster and Co., Limited, 58 Wagons, Electric, Tipping, Ransomes, Sims and Jefferies, General Vehicle Companv, 402, 404 ; Newton, 424, 425 Wagons, Tipping, at Olympia, Daimler; Clayton, Overtype : Vulcan. End ; J. I. Thornycroft, 400, 401 ; British Berna, Side and End, 424, 425 ; Renault, End, 424, 425, 426 War Time, British Railway Workshops in, 27, 36, 77 War Work at Beardmore’s Locomotive Works, 149 (Two-page Supplement, August 13//?, 1920) Water Cooler, Cleworth, Wheal and Co., 505 Water Flow Recorder, the “ Rheograph,” United Water Softeners, Limited, 42 Water-screening Plant, F. W. Brackett and Co., Limited, 541 Water, Sterilisation of, by Chlorine Gas, Captain J. S. Arthur, 527, 531, 564 Water Supply, New York, Gilboa Dam and Shandaken Tunnel, 627 Waves, The Force and Power of, I. Hiroi, 184 Welding Equipment, A.C., Portable, Alloy Welding Processes, Limited, 360, 361 Winch, Oil Engine, Hamworthy Engineering Company, Limited, 58 Windlass, Motor, for Cable-haulage Ploughing, J. and H. McLaren, 32, 582 Wire Rod Electrically Driven Rolling Mill, Whitecross Company, Limited, 250, 251 Wireless Telegraphy and Telephony, Alan A. C. Swinton, 592 Wood-working Saw, Vertical Band, and Rack Bench, T. Robinson and Son, Ltd., 658, 659 Workmen’s Dwellings at Droitaumont, Schneider and Co. (xv, xvi, Sixteen-page Supplement, September \7th, 1920) Works, Aircraft, at Weybridge, Vickers-Vimy, 444, 454 Works, Iron, Steel and Engineering, of Messrs. Schneider and Co. (Sixteen-page Supplement and Four-page Supplement, September 17 th, 1920) Works, Locomotive, W. Beardmore and Co., Limited, 149 (Two-page Supplement, August 13th, 1920) Works, Precision Motor Cycle, Birmingham, F. E. Baker, Limited, 575, 586 Workshops, British Railway, in War Time, 27, 36 Worms and Worm Wheels—see Machine Tools

See Also

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