May 12, 1916. THE COLLIERY GUARDIAN 925 Telegrams : “ Future, Middlesbrough.” COAL DISTILLATION COMPANY, Middlesbrough. BY-PRODUCT cokF 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. Established 1800. — Telephone No. 577 BRASS TIME CHECKS JOHN LAWSON A SONS, Manufacturers of every kind of STEEL STAMPS, LETTERS, FIGURES, BRANDS, STENCIL PLATES, &c. Roebuck Letter Works, 26, Carver Lane, SHEFFIELD. CEMENTATION and CHEMICAL TREATMENT Save Money - Save Goal - Save Steam By adopting FORREST’S PATENT AUTOMATIC Cylinder DRAIN COCKS on your Compound, Winding, Hauling, and all your Stationary Engines, Steam Winches, &c. (Thousands in use), now fixed on most new Engines turned out by leading Engineers. The Safest Automati j Drain Cock ever fixed on Com- pound Condensing Engines, most positive in action. Makers of High-class Gunmetal Gland Taps. Wheel Valves, &c, Class B For Prices, Particulars and Testimonials, apply Sole Makers, APPLETON & HOWARD, B”?Sd.e".a"d ST. HELENS, LANCS. Contractors to the War Office. YEARS of STUDY and EXPERIENCE HAVE BROUGHT MY SYSTEM OF CEMENTATION TO PERFECTION. TO COLLIERY PROPRIETORS. Shafts sunk, tunnels driven, and other mining constructions carried out in difficult and very wet ground by the best method. Success guar- anteed. 18 shafts completed in England, and 7 in progress. Ferro-Concrete Lining a speciality. Feeders of water in shafts or levels effectually treated. ALBERT FRANCOIS, ^doncIsteT Telegrams—“Francois, Doncaster,” Telephone—4 08 Doncaster. Purchasers’ Guide to Advertisers* Specialities—(continued). Rakes (Pit)—facies Baker, John, and Son, Bilston, Staffs REDUCING CfcNl—Engrenage d reduction de vitesse Coventry Chain Co. Ld., Coventry Reducing Valves (Full Bore, Standard, &c.) —Dttendeurs Auld, D., and Sons, Whitevale Foundry, Glasgow Baldwin, James, and Co., Keighley, Yorks Hopkinson, J., and Co. Ld., Huddersfield Boyles Ld., Irlam, Manchester Refrigerators — Appareils fur goriflques Pulsometer Engineering Co. Ld., Beading Reinforced Concrete Midland Counties Beinforced Concrete Co., 39 Newhall-street, Birmingham RESCUE Apparatus—Appareils de sauvetage British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. RE8PI RATORS-Bespirateurs British Oxygen Co. Ld., Elverton-st., Westminster Mining Engineering Co. Ld., Sheffield Siebe, Gorman and Co. Ld., Westminster, S.E. 1IIVET8—-Ewets 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. C., Ld., Dudley Ward, Thos. W., Ld., Albion Works, Sheffield ROOK Drills—Perforatrices 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.C. Kollers and Pulleys (Haulage)—Rouleaux et poulies pour appareils d’atteiage 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 Benton, B. M., and Co., Sheffield Wood, John, and Sons Ld., Wigan 'Rolling Stock (Railway) North Central Wagon Co. Ld., Botherham roofs and Outdoor Buildings—Toitures 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 ROPES (COTTON Driving)—Cordages sn 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 R0PE8 (Wire)—Cordes metalliques 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 aeriens par cdbles British Bopeway Engineering Co. Ld., 7, Mincing- lane. London, E.C. Cradock, George, and Co. Ld., Wakefield Johnson and Phillips Ld„ Charlton, Kent Rubber-Covered Rollers—Rouleaux avec garni- ture en caoutchouc Beddaway, F., & Co. Ld., Pendleton, Manchester Sacks and Bags—Sacs et bdches Saws and Sawing Appliances—Sdes et appareils de s ciage Scaling Tools Diamond Blower Co. Ld., 75b, Queen Victoria- street, E.C. S00VIN8 FOR COAL AND Coke—Fourches d charbon et a coke Baker, John, and Son, Bilston Hardy Patent Pick Co. Ld., Sheffield Theedam, E. C„ Ld., Dudley Screwing Machines—Machines d fiieter 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 d’egout Mather and Platt Ld., Manchester SHAFTING—Arbres de trans nission 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., Tip ton Shaft Sinkers—Fongage de puits Francois, Albert, Whitehouse-chambers, Don- caster Trefor Koring & Sinking Co.. Bank Chambers, 329, High Holborn, London, E.C. SHEET Iron—T6les en 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 Cylihoer Casings)— Revetement de tdle pour cylindres Baker, John, and Son, Bilston Kenyon, Wm., and Sons Ld., Dukinfield Shot-Firing Batteries and Carles—Appareils et cdbles V amor gage British Explosives Syndicate Ld., Glasgow British 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—Peiies 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. 3., Ld., Dudley Wood, John, and Sons Ld., Wigan Sleepers (Iron AND STEEL)— Traverses en 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—Outus 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 fum^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 Crip Armoured Hose—Tuyaux mis 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 Bail way 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— Spetialistes 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 — Conauites de vapeur Stewarts and Lloyds Ld., Birmingham & Glasgow Steam - Saving Appliances — iconomtsews