April 28, 1916. _THE COLLIERY GUARDIAN._ 829 ~ : — THE . . . . ~: ~ 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’ OYENS. 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. —---------- Full particulars on application to — The Koppers' Coke Oven and Bye-Product Co. Telephone Nos— Cim HAAR QUCEEIEI Telegraphic Address- 1935 & 1331 (two lines) OUlj (siLiOSSOP RuADj bnErrltLIJi “kochs,Sheffield.” Purchasers' Guide to Advertisers' Specialities— (continued)■ Rakes (Pit)—Bades Baker, John, and Son, Bilston, Staffs REDUCING GEAR—®'n9r0nage A reduction de vitesse Coventry Chain Co. Ld., Coventry Reducing Valves (Full Bore, Standard, &c.) —Ddendews x Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, Janies, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Refrigerators—Appardisfur gorifiques Pulsometer Engineering Co. Ld., Reading Reinforced Concrete Midland Counties Reinforced Concrete Co., 39 Newhall-street, Birmingham Rescue Apparatus—Appareils de sausage British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Respirators—Respirateurs British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Rivets— Baker, John, and Son,. Bilston, Staffs Bayliss, Jones & Bayliss Ld., Wolverhampton Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Benton, B. M., and Co., Sheffield Theedam, E. 0., Ld., Dudley Ward, Thos. W., Ld., Albion Works, Sheffield Rook Drills—Perforatrices Aqueous Works and Diamond Rock Boring Co. Ld., Guildford-st., York-road, Lambeth, S.E. Bute Works Supply Co. Ld., Cardiff Davis, John, and Son (Derby) Ld., Derby Diamond Coal-Cutter Co., Wakefield Hardy Patent Pick Co. Ld., Sheffield International Channelling Machines Ld., Sheffield Mining Engineering Co. Ld., Sheffield Sullivan Machinery Co., 814, Salisbury House, E.O. Rollers and Pulleys (Haulage)—Bouieau® et polities pour appareils d’atttlage Bagnall, W. G., Ld., Stafford Crowther, Henry, & Sons Ld., Cleckheaton, Yorks Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Renton, B. M„ and Co., Sheffield Wood, John, and Sons Ld., Wigan rolling Stock (Railway) North Central Wagon Co. Ld., Botherham ROOFS AND OUTDOOR BUILDINCS-Toltum et bdtiments Goodall, Clayton and Co. Ld., Hunslet, Leeds Isca Foundry Co. Ld., Newport, Mon. Wootton Bros. Ld., Coalville, near Leicester Wright’s Forge and Engineering Co. Ld., Tipton HOPES (COTTON DRIVINO)“Cordages en cotton Kenyon, Wm., and Sons Ld., Dukinfield HOPES (DRIVING)—C^08 d0 transmission Kenyon, W., & Sons Ld., Dukinfield, Manchester ROPES (HEMP and MaNIUAT-CwSujw & etdemanille ' ROPE PRESERVATIVE—Bnduit protecteur pour cdbles ROPES (WIRE)—Cordes metalliques Brown, W. B., and Co. (Bankhall) Ld., Liverpool Cooke, William and Co. Ld., Tinsley, Sheffield Oradock, George, and Co. Ld., Wakefield Elliot, Geo., and Co. Ld., Westminster, S.W. Glover, Wm. Jas., and Co., St. Helens, Lancs. Haggie Brothers Ld., Gateshead-on-Tyne Latch and Batchelor Ld., Hay Mills, Birmingham Thompson and Co., Wigan ROPEWAYS (Aerial)—Transports a&riens par cdbles British Ropeway Engineering Co. Ld., 7, Mincing- lane. London, E.C. Oradock, George, and Co. Ld., Wakefield Johnson and Phillips Ld„ Charlton, Kent Rubber-Covered Rollers—Bouieau® avec garni- ture en caoutchouc Beddaway, F., & Co. Ld., Pendleton, Manchester SA0K8 AND Bags—Sacs et bdches Saws and Sawing Appliances—Scies et appareils de sciage Scaling Tools Diamond Blower Co. Ld., 75b, Queen Victoria- street, E.C. SOOVINS FOR COAL AND Coke—Fourches a charbon et a coke Baker, John, and Son, Bilston Hardy Patent Pick Co. Ld., Sheffield Theedam, E. C., Ld., Dudley SOREWING MACHINES—Machines d fileter Frost, Albert, and Co., Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham. Screws (Stretching)—Tendeurs Youngs, Byland-street Works, Birmingham Sewage Treatment Plant—Appareils pour ie traitement des eaux degout Mather and Platt Ld., Manchester SHAFTING—Arbres de transmission Crowther, Henry, & SonsLd., Cleckheaton, Yorks Daglish, Bobt., and Co. Ld., St. Helens, Lancs. Hardy Patent Pick Co. Ld., Sheffield Lancaster and Tonge Ld., Pendleton, Manchester Phillips, C. D., Newport, Mon. Spencer and Co. Ld., Melksham, Wilts Wright’s Forge and Engineering Co. Ld., Tipton Shaft Sinkers—Forage de putts Francois, Albert, Whitehouse-chambers, Don- caster Trefor Boring & Sinking Co., B«nk Chambers, 329, High Holborn, London, E.C. SHEET Iron—T6lesen fer . Harvey, G. A., & Co. (Ldn.) Ld., Woolwich-rd., S.E. Lewis, Wm., and Son, Bilston, Staffs. Theedam, E. C., Ld., Dudley Sheet Metal Works (for Cylinder Casings)- HevGtement de tdle pour cylindres Baker, John, and Son, Bilston Kenyon, Wm., and Sons Ld., Dukinfield Shot-Firing Batteries and Cables—Appareils et cables 1’ amor gage British Explosives Syndicate Ld., Glasgow jtfritish Insulated and Helsby Cables Ld., Lancs. Curtis’s.and Harvey Ld., 110, Cannon-street,E.C. Davis, John, and Son (Derby) Ld., Derby Haslam and Stretton Ld., Cardiff Johnson and Phillips Ld., Charlton, Kent New Explosives Co. Ld., 62, London-wall, E.C. Nobel’s Explosives Co. Ld., Glasgow Shovels and Shovel Trees—Pdies et accessoires Baker, John, and Son, Bilston, Staffs| Fell, C. A., Dronfield, near Sheffield Frost, Albert, and Co., Sheffield Hardy Patent Pick Co. Ld., Sheffield Benton, B. M., and Co., Sheffield Theedam, E. C., Ld., Dudley Shovels (Sprinkling)—Failes de chargement pour chaudieres Fell 0. A., Dronfield near Sheffield SIDINGS—Ingnes de raccordement Bagnall, W. G., Ld., Stafford Benton, B. M., and Co., Market-place Buildings, Sheffield Summerson, Thomas, and Sons Ld., Darlington Ward, Thos. W., Ld., Albion Works, Sheffield Signalling Apparatus (Visual)—signaux visueis Davis, John, and Son (Derby) Ld., Derby Neil, J. & J., & Co., 93, Hope-street, Glasgow Sutcliffe, Bichard, Horbury, Wakefield Theedam, E. 0., Ld., Dudley Wood, John, and Sons Ld., Wigan SLEEPERS (Iron AND STEEL)— Traversesen fer et en acier Allen, W. G., and Sons (Tipton) Ld., Tipton Bagnall, W. G., Ld., Stafford Baird, J. W., and Co., West Hartlepool Bute Works Supply Co. Ld., Cardiff Benton, B. M., and Co., Midland Works, Sheffield SMITHS’ Tools—Outils pour forgerons Hardy Patent Pick Co. Ld., Sheffield SMITH Work—Ouvrages de forge Baker, John, and Son, Bilston, Staffs Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Wright’s Forge and Engineering Co. Ld., Tipton • SMOKE Helmets—Casques protecteurslcontrefum^es 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 Brown, David, & Sons (Hudd.) Ld., Huddersfield Wood, John, and Sons Ld., Wigan Sphincter Grip Armoured Hose—Tuyaux arm&s Beddaway, F., & Co. Ld., Pendleton, Manchester SPRINGS-Resorts Lancaster and Tonge Ld., Pendleton, Manchester Wigan Wagon Co. Ld., Springs Branch, Wigan Stampings—Rampages Baker, John, and Son, Bilston, Staffs Chorley Bail way Wagon Co. Ld., Chorley Hardy Patent Pick Co. Ld., Sheffield Head, Wrightson and Co. Ld., Stockton-on-Tees Lowmoor Co. Ld., Lowmoor lionworks, Bradford STEAM Experts—Sptidalistes en tout ce qui concerns la vapeur Fell, C. A., Dronfield, near Sheffield Princeps & 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 Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld„ Birmingham & Glasgow Steam Mains and Pipe Installations — Conduites de vapeur Stewarts and Lloyds Ld„ Birmingham & Glasgow Steam-Saving Appliances—Economiwurs de vapeur Boyles Ld., Irlam, Manchester . Steam Traps—Purgeurs de vapeur Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin. James, and Co., Keighley, Yorks. Hopkinson, J., and Co. Ld., Huddersfield Lancaster & Tonge Ld., Pendleton, Manchester Princeps & Co., Sheffield Boyles Ld., Irlam, Manchester Stewarts and Lloyds Ld., Birmingham & Glasgow United States Metallic Packing Co. Ld., Bradford Wright’s Forge and Engineering Co. Ld., Tipton STEAM Wagons— Voitures autos d vapeur Steam Winches—Treuiis d vapeur Clarke, Chapman & Co. Ld., Gateshead-on-Tyne Phillips, C. D., Newport, Mon. Wood, John, and Sons Ld., Wigan 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 & Co. Ld., Brook Steel Works, Sheffield Latch and Batchelor Ld., Hay Mills, near B’ham Mining Engineering Co. Ld., Sheffield Shelton Iron, Steel & Coal Co. Ld,, Stoke-on-Trent Stewarts and Lloyds Ld., Birmingham & Glasgow Thompson and Co., Wigan Steel Blooms, Billets—loupes et Ungots enader Cradock, George, and Co. Ld., Wakefield Benton, B. M., and Co. Sheffield 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 a t6les de fer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds Stencil Plates, Steel Stamps, &c —Patrons poingons, &c. Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, Sheffield STONE BREAKERS—Gasse-pierm Hadfields Ld., Hecla Works. Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Stonedust Grinding Plant—Brodeurs (poussiere de schistes) Fletcher, George, and Co. Ld., Litchurch, Derby “ Jeffrey”—Hugh Wood& Co. Ld., N’castle-on-T. Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Stoneware ( Sanitary ) — Gres sanitaires Bradley Pulverizer Co., 37, Walbrook, E.C.. STRUCTURAL STEELWORK—Constructions en ader Goodall, Clayton and Co. Ld.. Hunslet, Leeds Hardy Patent Pick Co. Ld., Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds Wright’s Forge and Engineering Co. Ld., Tipton Sulphate of Ammonia Plant — Appareils a recuperation du sulfate d*ammoniaque Coppee Co. (Gt. Britain), Kingsway, London • ’ Koppers* Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester