* June 23, 1916. THE COLLIERY GUARDIAN. 1213 --- TELE -■- Koppers’ Coke Oven Is undoubtedly the most successful Bye-Product Oven on the market. Since its introduction a little over 10 years ago there have been built. 12,500 KOPPERS’ OVENS. KOPPERS’ OVENS ARE AT WORK HEATED BY PRODUCER GAS AND BLAST FURNACE GAS. Koppers’ Direct recovery process IS THE SIMPLEST AND MOST EFFICIENT SYSTEM OF AMMONIA RECOVERY. PLANTS ERECTED FOR THE RECOVERY OF BENZOL & TOLUOL, FOR TAR DISTILLATION & THE MANUFACTURE OF SULPHURIC ACID. ' — Pull particulars on application to . 1 The Koppers* Coke Oven end Bye-Product Co,, 301, GLOSSOP ROAD, SHEFFIELD. -SSTSiKK- SLEEPERS (IRON AND STEEL) —Traverses enfer et en acier Allen, W. G., and Sons (Tipton) Ld,, Tipton Baird, J. W., and Co.; West Hartlepool Bickley, Wm., Eclipse Sleeper Works, Bloxwich, Walsall Bute Works Supply Co. Ld., Cardiff Benton, B..M., and Co., Midland Works, Sheffield. Smiths’ Tools—Outus pour forgerons Hardy Patent Pick Co. Ld„ Sheffield SMITH Work— Ouvrages de forge . Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wright’s Forge and Engineering Co. Ld., Tipton . SMOKE Helmets—Casques protecteurs contrefumtes Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Spanners Fastnut Ld., 115, Newgate-street, London Speed-Reducing Gears—Engrenages d reduction de vitesse Wood, John, and Sons Ld., Wigan Sphincter Grip Armoured Hose—Tuyaux armts Beddaway, F„ A Co. Ld., Pendleton, Manchester Springs—Ressorts Lancaster and Torige Ld., Pendleton, Manchester - Wigan Wagon Co. Ld., Springs Branch, Wigan Stampings—Estampages. Chorley Bailway Wagon Co. Ld., Chorley Hardy Patent Pick Co. Ld., Sheffield .. ■/ Head, Wrightson and Co. Ld., Stockton-on-Tees Lowmoor Co. Ld., Lowmoor Ironworks, Bradford STEAM Experts— Spticialistes en tout ce qui concerns la vapeur ? Fell, C* A., Dronfield, near Sheffield Princeps A Co., Sheffield - Boyles Ld., Irlam, Manchester STEAM FITTINGS—Garnitures de chaudieres Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld„ Huddersfield Boyles Ld., Irlam, Manchester Bussell, John, and Co. Ld., Alma Works, Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham & Glasgow Steam Mains and Pipe Installations Conduites de vapeur Stewarts and Lloyds Ld., Birmingham A Glasgow Steam - Saving Appliances-.ficonomiseurs de vapeur Boyles Ld„ Irlam, Manchester STEAM Traps—Purgeurs de vapeur Auld, D., and Sons, Whitevale Foundry, Glasgow ; Baldwin, James, and Co., Keighley, Yorks. -J Hopkinson, J., and Co. Ld., Huddersfield Lancaster A Tonge Ld., Pendleton, Manchester Princeps A Co., Sheffield Boyles Ld., Irlam, Manchester Stewarts and Lloyds Ld., Birmingham A Glasgow United States Metallic Packing Co. Ld., Bradford , Wright’s Forge and Engineering Co. Ld., Tipton Steam Wagons— voitures autos a vapeur Mann’s Patent Steam Cart and Wagon Co. Ld., Hunslet, Leeds Steam Winches—Treuiis a vapeur Clarke, Chapman A Co. Ld., Gateshead-on-Tyne Phillips, C. D., Newport; Mon. Wood, John, and Sons Ld., Wigan Purchasers* Guide to Advertisers* Specialities—(continued) Surveying ( Instruction ) — Enseignement (arpentage) . Thomas, Wm., Cambrian Mining School Forth Surveying Instrument Makers — Appareiis d’arpentage Davis, John, and Son (Derby) Ld., Derby Harling, W. H., 47, Finsbury Pavement, London Stanley, W. F., A Co. Ld., 286, High Holborn, W.C. Thornton, A. G., Ld., King-st. West, Manchester SWITCH Boards—Tableaux de distribution Haslam and Stretton Ld., Cardiff Holmes, J. H., and Co., Newcastle-on-Tyne SWITCH. Gear— Commutateurs eiectriques STEEL—Fabricants d* acier Cooke, William, and Co. Ld., Tinsley, Sheffield Cradock, George, and Co. Ld., Wakefield Haden and Co., Patricroft Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield . Hodgson, E. W., and Co., Sheffield Howell A Co. Ld., Brook Steel Works, Sheffield Latch and Batchelor Ld., Hay Mills, near B’ham Mining Engineering Co. Ld., Sheffield Shelton Iron, Steel A Coal Co. Ld., Stoke-on-Trent Stewarts and Lloyds Ld., Birmingham A Glasgow Thompson and Co., Wigan STEEL BLOOMS, Billets—Loupes et lingots en acier Cradock, George, and Co. Ld., Wakefield ’ Scott, Walter, Ld., Leeds Steel Works, Leeds Steel Flats and Rounds—Barres et ronds en acier ' \ ” ■; ’ Scott, Walter, Ld., Leeds Steel Works, Leeds Steel TlNBARS—Bidons d toles de fer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds. . \ Harvey, G. Al, ACo.(Lndn.)Ld.,Woofwich-rd.,S,E. Stencil Plates, Steel Stamps, Ac— Patrons poinqons, &c. . Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, •Sheffield Stockbrokers. Chapman, Wm., A Co., Wheeler Gate, Nottingham Stokers (Machine). .' Bennisj Ed., and Co. Ld., Little Hulton, Bolton Stone Breakers—Casse-pierres Hadfields Ld., Hecla Works. Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Stonedust Grinding Plant—Broyeurs (poussiere de schistes) Fletcher, George, and Co. Ld., Litchurch, Derby ; “ Jeffrey ”—Hugh Wood A Co. Ld., N’castle-on-T. Johnson, Wm., A Sons (Leeds) Ld., Armley,Leeds Stoneware ( Sanitary ) — Gres sanitaires Bradley Pulverizer Co., 37, Walbrook, E.C. STRUCTURAL Steelwork—Constructions en acier _ Goodall, Clayton and Co. Ld.. Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Scott, Walter, Ld., Leeds Steelworks, Leeds Wright’s Forge and Engineering Co. Ld., Tipton Sulphate of Ammonia Plant — Appareiis d recuperation du sulfate d’ammoniaque Copp6e Co. (Gt. Britain), Kingsway, London Koppers’ Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester Sulphur Recovery Plant—Appareiis a recupera- , iiondusouffre Coke Oven Construction Co. Ld., Sheffield Coppee Co? (Gt. Britain) Ld., Kingsway, W.C. Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Co., Sheffield Superheaters—Surchauffeurs Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Pulsometer Engineering Co. Ld., Beading Surplus Steam Valves (Full Bore)—Soupapes au vapeur en trop plein * Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester SURVEYING (Books on)—Manuel d’arpentage Thomas, Wm„ Cambrian Mining School, Forth Trommels—Trommels Barns, W„ and Soil, Globe Works, Holloway Johnson, Wm., A Sons (Leeds) Ld., Armley, Leeds Spencer and Co. Ld., Melksham, Wilts Tubbing and Well Cylinders—Cuveiages Head,.Wrightson and Co. Ld., Stockton-on-Tees ? .Wood, John, and Sons Ld., Wigan TUB DRAWBARS—Tiges de traction pour berlines Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Theedam, E. C„ Ld., Dudley OWIIUS. utfW—vv»f»-iwwu*w«« o •*-«£•<•<»<» ■' " , Anderson, Boyes & Co. Ld.. MotlierweU, Scotland TUBE FlTTIHOS-^cessotres pour British Insulated and Helsby Cables Ld., Prescot Haslam and Stretton Ld., Cardiff Holmes, j. H., and Co., Newcastle-on-Tyne TAN K8 —Reservoirs Daglish, Bobert, and Co. Ld., St. Helens, Lancs. Goodall,JDlayton and Co. Ld., Hunslet, Leeds. Head, Wrightson and Co/Ld., Stockton-on-Tees Isca Foundry Co. Ld., Newport, Mon. Mather and Platt Ld., Manchester . Theedam, E. 0., Ld., Dudley ; Ward, Thos. W., Ld., Albion Works, Sheffield Wright’s Forge and Engineering Co. Ld., Tipton Wood, John, and Sons Ld., Wigan Tachographs and Tachometers—Tacheometres Davis, John, and Son (Derby) Ld., Derby Tar Distilling Plant—installations a distiller ie goudron Coal Distillation Co., Middlesbrough Coke Oven Construction Co. Ld., Sheffield . Copp^e Co. (Gt.Britain) Ld., Kingsway, London Daglish, BoMm and Co. Ld., St. Helens, Lancs. Koppers’ Coke Oven A Bye-Product Jo., Sheffield Simon-Carves Ld., 20, Mount-street, Manchester ' TECHNICAL EDUCATION—Enseignementtechnologique Southern, T. A., Universal Mining School, Cardiff Thomas, Wm., Cambrian Mining School, Forth Telephones—Telephones British Insulated and Helsby Cables Ld., Prescot Davis, John, and Son (Derby) Ld., Derby Haslam and Stretton Ld., Cardiff) Timber (Colliery)—Usages Baird, J. W., and Co., West Hartlepool Forslind, C. A., and Son, West Hartlepool Osbeck and Co., Newcastle-on-Lyne Tools—Outus Fell, C. A., Dronfield, near Sheffield Haden and Co., Patriot ^ft Hardy Patent Pick Co. Ld., Sheffield Howell A Co. Ld., Brook Steel Works, Sheffield Towers (Cooling) Davenport Engineering Co., Harris-st., Bradford, Yorks Tram and Wagon Corner Plates—Comieres - pour voitures Baker, John, and Son, Bilston, Staffs Chorley Bailway Wagon Co. Ld., Chorley, Lancs. Theedam, E.C., Ld., Dudley Transformers (Electrical) — Transformateurs eiectriques British Electric Transformer Co. Ld., Hayes, Middlesex Davis, John, and Son (Derby) Ld., Derby Transport Plant—Transporteurs British Bopeway Engineering Co. Ld., 7, Mincing- lane, London, E.C. Haggie, R. Hood and Son, Nowcastle-on-Tyne Dixon, S., and Son Ld., Swinegate, Leeds Lewis, Edwin, and Sons Ld., Wolverhampton Bussell, John, and Co. Ld., Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Spencer, John, Ld., Wednesbury Stewarts and Lloyds Ld.; Birmingham & Glasgow TUBES (Iron AND STEEL)—Tubes enfer et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Dixon, S., and Son Ld., Swinegate, Leeds Howell and Co. Ld., Sheffield Lewis, Edwin, and Sons Ld., Wolverhampton Lewis, William, and Son, Bilston Bussell, John, & Co. Ld., Alma Tube Wks., Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld„ Birmingham & Glasgow Tub Greasers and Controllers—Appareiis de graissage et de rtylage pour chariots de mine Hadfields Ld., Hecla Works, Sheffield Neil, J. & J., & Co., 93, Hope-street, Glasgow Theedam, E. C., Ld., Dudley Tubs (Colliery)—Chariots de mine Allen, A., and Son Ld., Lower Gomal, Staffs Allen, W. G., and Sons (Tipton) Ld., Tipton Cambrian Wagon Co. Ld., Cardiff Chorley Bailway Wagon Co. Ld., Chorley. Lancs. Du Croo & Brauns, 53. Victoria-st., London, S.W. Hadfields Ld., Hecla Works, Sheffield Humble, Stephen, 9, Victoria-st., London, S.W. Theedam, E. C., Ld., Dudley Wigan Wagon Co. Ld., Springs Branch, Wigan Tunnel Segments—viroies deitunnei Head, Wrightson and Co. Ld., Stockton-on-Tees TURBINES-Turbines Beiliss and Morcom Ld., Birmingham Greenwood and Batley Ld., Albion Works, Leeds Mather and Platt Ld., Manchester Richardsons Westgarth and Co. Ld., Hartlepool TURBINES (Exhaust)—Turbines d vapeur d’cchappe- ment . • Beiliss and Morcom Ld., Birmingham Greenwood and Batley Ld., Albion Works, Leeds Richardsons Westgarth and Co. Ld.. Hartlepool TURNTABLES—Plaques tournants Du Croo & Brauns, 53, Victoria-st., London, S.W^ Isca Foundry Co. Ld., Newport, Mon. Renton, B. M., and Co., Market-place Buildings Sheffield Summerson, Thomas, and Sons Ld., Darlington Wright’s Forge and Engineering Co. Ld„ Tipton Tuyeres—Tuyeres Boyles Ld., Irlam, Manchester Bussell, John, and Co. Ld., Walsall Scottish Tube Co. Ld., 34, Bobertson-st., Glasgow Stewarts and Lloyds Ld., Birmingham & Glasgow