410 THE COLLIERY GUARDIAN February 23, 1917. Purchasers’ Guide to Advertisers’ Specialities—(continued). Valve Re-seatinc Machines Bromell Patents Co. Ltd., 62, Robertson-street, Glasgow Brooke, George, Lloyd’s Bank Chambers, Cardiff Valves (Safety)—Soupapes o strew Auld, D., and Sons, White vale Foundry, Glasgew Baldwin, Janies, and Co., Keighley, Yorks Blakeborough, J., and Sons, Brighouse, Yorks. Daglisn, Robert, and Co. Ld., St. Helens, Lancs. Haslam and Stretton Ld., Cardiff Hopkinson, J., and Co. Ld., Huddersfield Ingersoll-Rand Co., 165, Queen Victoria-st., E.C. Lancaster and Tonge Ld., Pendleton, Mancheste* Roylee Ld., Iriam, Manchester Russell, John, and Co. Ld., Walsall Vices—fitaux Frost, Albert, and Co., Sheffield Hardy Patent Pick Co. Ld., Sheffield Theedam, E. C., Ld., Dudley Youngs, Ryland-street Works, Birmingham Washers—Rondeiies Baker, John, and Son, Bilston, Staffs Bayliss, Jones & Bayliss Ld., Wolverhampton Chorley Railway Wagon Co. Ld., Ghorley, Lancs Coppde Co. (Gt. Britain) Ld., Kingsway, London Fastnut Ld., 115, Newgate-street, London Simon-Carves Ld., 20, Mount-street, Manchestei Theedam, E. C., Ld., Dudley Wright’s Forge and Engineering Co. Ld., Tiptoa Waste Heat Boilers and Exhausters Bonecourt Waste Heat Boiler Co. Ld., Parlia- ment-mansions, S.W. Water (Electric Still for) Simplex Conduits ud., Garrison-st., Birmingham Waterproof Garments—vat,, ments imperrnAabies Barr, M., A Co. Ld., 83, Hutcheson-st., Glasgow Water Reducing Valves—Soupapes de reduction a eau Auld, D., and Sons, White vale Foundry, Glasgow Blakeborough, J., and Sons, Brighouse, Yorks. Boyles lq., Iriam, Manchester Water Filters—litres d’eau Blakeborougn, J., and Sons, Brighouse, Yorks. Lawrence Patent Water Softener, Ac., Co. Ld., 7, Parliament Mansions, Victoria-street, S.W. Pulsometer Engineering Co. Ld., Reading Boyles Ld., Iriam, Manchester Wright’s Forge and Engineering Co.’, Tipton Water Gauges (Self-Registering)—indicateun auto-enregistreurs d’eau Davis, John, and Son (Derby) Ld., Derby Water Softening and Purifying — Epura teurs dttartreurs Blakeborough, J , and Sons, Brighouse, Yorks Kennicott Water Softener Co., Wolverhampton Lawrence Patent Water Softener, Ac., Co. Ld., 7, Parliament Mansions. Victoria-street, S.W. Pulsometer Engineering Co. Ld., Beading Boyles Ld., Iriam, Manchester Wright’s Forge and Engineering Co. Ld., Tiptop WATER Tube BOILERS—dieres aquitubulaires Clarke, Chapman and Co. Ld., Gateshead-on-Ty>t WELL Tubes—Cuvelages d putt> d’eau Russell, John, and Co. Ld., Alma Works. WalsaL Scottish Tube Co.Ld., 34, Robertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Birmingham A Glasg**- Wellington Tube Works Ld., Great Bridge, Staffs Weighing Machinery—Appareiis depesage Av»ry, W. &T.,Ld., Soho Foundry, lirmingham Denison, S., and Son Ld.. Furlea, Leeds Spencer. Jas., and Co. Ld., Hollinwood. Lancs Thompson and Co., Wigan Welding Barimar Ld., 10, Poland-street, London, W. Carbic Ld., 51, Holborn Viaduct, London Gas Distribution Ld., Queen’s-bldings, Nuneaton Matthews & Yates Ld., Swinton, nr. Manchester Wheelbarrows—Brouettes Allen, W. G., and Sons (Tipton) Ld., Tipton Bayliss, Jones A Bayliss Ld., Wolverhampton Hardy Patent Pick Co., Sheffield Harvey, G. A., A Co., Woolwich-rd., London, S.E Haslam and Stretton Ld., Cardiff Lewis, Wm., and Son, BUston, Staffs Theed’am, E.C., Ld., Dudley Wheels, Axles and Tyres—Essieux et bandages Bayliss, Jones A Bayliss Ld., Wolverhampton Chorley Railway Wagon Co. Ld., Chorley Du Croo A Brauns, 53, Victoria st., London, S.W Hadfields Ltd., Hecla &East Hecla W’ks, Sheffield Hardy Patent Pick Co. Ld., Sheffield Lancashire A Yorkshire Wagon Co. Ld., Heywood Lancaster and Tonge Ld., Pendleton, Manchester Moy, Thomas, Ld., Railway Works, Peterborough Thompson and Southwick Ld. Tam worth Wigan Wagon Co. Ld., Springs Branch, Wigan Wood, John, A Sons Ld., Brook Foundry, Wigan Winches—Treuils Clarke, Chapman and Co. Ld., Gateshead-on-Tyne Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Young’s, Ryland-street Works, Birmingham Winding Engine Indicators—indicateurs de profondew pour les -machines d’extraction Daglish, B., and Co., St. Helens, Lancashire Davis, John, and Son (Derby) Ld., Derby Wood, John, and Sons Ld., Wigan Wire-™ British Insulated and Helsby Cables Ld., Prescot Cooke, Wm., and Co. Ld., Tinsley, Sheffield Elliot, George, A Co. Ld., Westminster, S.W. Glover, Wm. Jas., and Co., St. Helens, Lancs. Latch and Batchelor Ld., Hay Mills, Birmingham Stead, J., and Co. Ld., Manor Works, Sheffield Wire Drawing Plates and Wortles—Fiiieres Hodgson, E. W., A Co., 24, Norfolk-row, Sheffield Stead, J., and Co. Ld., Manor Works, Sheffield Wire Mesh and Gauze—Tfow mttaiiiques Ackroyd and Best Ld., Morley, near Leeds Barns, W., and Son, Holloway, London, N. Cousland, Alex., and Son, 3, Mitchell-st., Glasge Davis, John, and Son (Derby) Ld., Derby Harvey, G. A.,A Co. (Lndn) Ld., Woolwich-rd.,S.E Protector Lamp and Lighting Co. Ld., Eccles Staniar, John, A Co., Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Wire ROPE Greaser— Appareiis de graissage pour cdbles -mAtalliques Evans and Dodd, Cannock, Staffs. Mining Engineering Co 13. Sheffield Theedam, E. C., Ld., Dudley Wire Rope Pulley Blocks—Paians pour cdbles «n acier Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, Ryland-street Works, Birmingham Wire Work—Treillis Barns, W., and Son, Globe Works, Holloway, N Cousland, Alex., and Son, 3, Mitchell-st., Glasgow Harvey, G. A., A Co. (Lndn) Ld., Woolwich-rd.,S.E. Staniar, John, and Co., Manchester FUEL OIL for industrial furnaces, Diesel engines & merchant ships. We supply a clean, high-grade fuel oil. Brotherton & Co. Ltd WORKS Birmingham Glasgow Leeds Liverpool City Chambers, Leeds WORKS Middlesborough Sunderland Wakefield Workington ST A IM L E Y Stanley’s Plain Hedley Dial. The Largest Manufacturers of SURVEYING and DRAWING INSTRUMENTS in the World. Universally acknowledged to be the very best in design, material, workmanship and finish. Our Instruments are as perfect a it is possible to make them. Please send for our “K. 12” Catalogue, and compare our prices with those of other first-class makers. W. F. STANLEY & CO. LTD., 286, HIGH HOLBORN, LONDON, W.C. iETC TELEP 2978 (TWO LINES) HASLAM & STRETTON,U? 11,WINDSOR PLACE, . . CARDIFF. . . ELECTRIC PLANT^ACCESSORIES CABLES & SWITCHES. CARBON &- METAL I f 11 lamps. 111 M II THE ISCA FOUNDRY COMPANY LTD, RAILWAY PLANT A GENERAL ENGINEERS, Switches, Grossings, Turntables, Water Cranes, Girders, Bridges, Boob, Pipes, Pnmps, Wagons, Tanks, Engines, Boilers, Cranes, Works: NEWPORT, MON. London Office : 16 * 17 Devonshire Sq. Bishopsoate St., E.C. PITWOOD, COGWOOD, SLEEPERS, Round English Timber, or cut to any size, all kinds. Also Pitch Pine and Oregon Logs, and Half Logs, second-hand (nearly as good as new), 4 ft. to 30 ft. long. Short from 3s. per cube, long from 3s. 6d. per cube. Also other new and second-hand Timber, Boards, &c., at Bristol, Swansea, Porthcawl, Hull, and Leicester. Prices, carriage paid, on application for any kind timber or manufactured woodwork. JENNINGS & CO, Ld., Timber Merchants, General Woodworkers, 825, Pennywell-rd., Bristol, A other branches U.K. Founded 1899. WATER AND WATER ENGINEERING. Price 6d. monthly. Annual Subscription, 7/6 post free (payable in advance). Offices— 30 & 31, Furnival Stbeet, Holborn, London, E.C. The PREMIER Screen in the WORLD is Norton’s Patent Horizontal Main Screen REQUIRES NO SPECIAL FOUNDATION. Will work continuously WITHOUT BOLTING DOWN. Will Screen more efficiently than any other screen. Over 150 Screens now at work. For PERFECT sizing & loading USE PULSATING CONVEYORS AND PULSATING LOADING JIBS (NORTON’S PATENTS) NORTON’S PATENT HORIZONTAL MAIN SCREEN AND COMBINED PICKING CONVEYOR, fitted with our Patent Air Cushioning Cylinders. The Screen illustrated is 5 ft. 6 in. wide, having four decks, and will deal with 125 tons of coal per hour separated into four sizes, and passing the large coal without any fall to the Picking Conveyor. NORTONS (TIVIDALE) Ltd., HECLA Works, Tipton, England.