April 14, 1916. THE COLLIERY GUARDIAN. 733 Telegrams : “ Future, Middlesbrough.” COAL DISTILLATION COMPANY, Middlesbrough. BY-PRODUCT COKE OVENS, WITH AND WITHOUT REGENERATORS. HUSSENER & COLUN SYSTEM. DIRECT RECOVERY SYSTEM. Largest Yield of By-Products. No Re-heating of Gases. BENZOL PLANTS. TAR DISTILLATION PLANTS. Large number of Plants in operation in Great Britain and on Continent. The Strongest & Most Reliable Briquette Machinery for Blocks, Ovoids or Eggettes. WHY have SO MANY GOVERNMENT CONTRACTS during recent years been placed with us? THERE’S A REASON. “ Eggette ” or Ovoid Briquette Making Machine. Outputs 1 to 20 tons per hour. Write for particulars— WM. JOHNSON & SONS (Leeds) Armley, LEEDS. LTD., Purchasers’ Guide to Advertisers’ Specialities—(continued). Rakes (Pit)—Backs Baker, John, and Son, Bilston, Staffs REDUCING GEAR—Eduction de mtesse Coventry Chain Co. Ld., Coventry Reducing Valves (Full Bore, Standard, &c.) —D^tendeurs Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Refrigerators — Apparent fur gorifiques Pulsometer Engineering Co. Ld., Reading Reinforced Concrete Midland Counties Reinforced Concrete Co., 39 Newhall-street, Birmingham RiSOUE APPARATUS—Appareile de sauvetage British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Respirators—Rsspirateurs British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. Rivets—Bw«ts Baker, John, and Son, Bilston, Staffs Bayliss, Jones A Bayliss Ld., Wolverhampton Lowmoor Co. Ld.,Lowmoor Ironworks, Bradford Benton, B. M., and Co., Sheffield Theedam, E. C., Ld., Dudley Ward, Thos. W., Ld., Albion Works, Sheffield ROOK DRILLS—Ber/oratric«« Aqueous Works and Diamond Bock 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 (Haulace)—BouImm et poulies pour appareils d'atttilage Bagnall, W. G., Ld., Stafford Crowther,Henry, & SonsLd., Cleckheaton, Yorks Hardy Patent Pick Co. Ld., Sheffield Lowmoor Co. Ld., Lowmoor Ironworks, Bradford Benton, B. M., and Co., Sheffield Wood, John, and Sons Ld., Wigan Rolling Stock (Railway) North Central Wagon Co. Ld., Botherh&m ROOFS AND OUTDOOR BUILDIHCS-Toitures et bdtiments Felber, Jucker & Co. Ld., Peter-st., Manchester 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 ROPES (COTTON DRIVING)—Cordages en cotton Kenyon, Wm., and Sons Ld., Dukinfield ROPES (Driving)— Cdbles de transmission Kenyon, W., A Sons Ld., Dukinfield, Manchester ROPES (Hemp AND Manilla)-Cordiges de chanvre et de manille Rope Preservative—Enduit vrotecteur pour cdbles Ropes (Wire)—Cordes mttalliques Brown, W. B„ and Co. (Bankhall) Ld., Liverpool Cooke, William and Co. Ld., Tinsley, Sheffield Cradock, 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 atriens par cdbles < Vtdock, George, and Co. Ld., Wakefield Johnson and Phillips Ld„ Charlton, Kent Rubber-Covered Rollers—Bouieaux avec garni- ture en caoutchouc Beddaway, F., & Co. Ld., Pendleton, Manchester Sacks and Bags—Sacs «t Mche« Saws and Sawing Appliances—appareils de sciage Scaling Tools Diamond Blower Co. Ld., 75b, Queen Victoria- street, E.C. SOOVIHS FOR COAL and COKE—Fourches d charbon et d coke Baker, John, and Son, Bilston Hardy Patent Pick Co. Ld., Sheffield Theedam, E. 0., Ld., Dudley SCREWING MAOHIHES-Maohines d /Heter Frost, Albert, and Co., Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham Sorews (Stretching)—Tsndeur. Youngs, Byland-street Works, Birmingham Sewage Treatment Plant -r-Apparent pour ie traitement des eaux d’tgout Mather and Platt Ld., Manchester SHAFTING —Arbres de trans mission Crowther, Henry, & SonsLd., Cleckheaton, Yorks Oaglish, 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—Bondage de puits Francois, Albert, Whitehouse-chambers, Don- caster Trefor Coring & Sinking Co., Brussels; and at 329, High Holborn, London, E.C. Sheet Iron—rsies enfer Firth, Wm., Ld., Leeds 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 Casinos)— Revetement de C6le pour cylindres Baker, John, and Son, Bilston Kenyon, Wm., and Sons Ld., Dukinfield Shot-Firing Batteries and CABLES-^ppamis et cdbles i’amorqage British Explosives Syndicate Ld., Glasgow British Insulated and Helsby Cables La., 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—P^iies 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)—Peiies de chargement pour chaudieres Fell C. A., Dronfield near Sheffield SIDINGS—Lignes 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) —Traverses enfer 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 Firth, Wm., Ld., Greek-street, Leeds Benton, B. M., and Co., Midland Works, Sheffield Smiths’ Tools—Outns 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 protecteurs'contre fumies Mining Engineering Co. Ld., Sheffield Siehe, 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 Crip Armoured Hose—Tupatw arm^s Beddaway, F., & Co. Ld., Pendleton, Manchester Springs—Ressorts Lancaster and Tonge Ld., Pendleton, Manchester Wigan Wagon Co. Ld., Springs Branch, Wigan Stampings—Estampages Baker, John, and Son, Bilston, Staffs Chorley Railway 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—Specialities entout 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, Eobertson-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 — Uconomiseim a. 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—Tr«nii» 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 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 lingots en acier Cradock, George, and Co. Ld., Wakefield Benton, B. M., and Co. Sheffield Scott, Walter, Ld., Leeds Steel Works, Leeds Steel Flats ahd Rounds—Bams et ronAs en acier Scott, Walter, Ld., Leeds Steel Works, Leeds STEEL TlNBARS—Ridons d t6les de fer-blanc Scott, Walter, Ld., Leeds Steel Works, Leeds Stencil Plates, Steel Stamps, &c — Patrons poinqonst &c. Lawson, John, and Sons, 26, Carver-lane, Sheffield Pryor, Ed., and Son, 112/116, Bockingham-street, Sheffield Stone Breakers—Gasse-pierres Hadfields Ld., Hecla W^rks. Sheffield Hardy Patent Pick Co. Ld., Sheffield Johnson, Wm., & Sons (Leeds) Ld., Armley, Leeds Stonedust Grinding Plant—Bropeurs (poussHre 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 ) — g™ tamtams 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 Steel Works, Leeds Wright’s Forge and Engineering Co. Ld., Tipton SULPHATE OF AMMOHIA PLAHT — Appareils A recuperation du sulfate d’ammoniaque Copp^e Co. (Gt. Britain), Kingsway, London Koppers’ Coke Oven a Bye-Product Co., Sheffield Simon-Carves Ld., 2C, Mount-street, Manchester