May 17, 1918. THE COLLIERY GUARDIAN. [supplement page III.] 1017 Hydraulic Jack. Wall Crane Duplex Punch. Heavy Lifting Crab Worm'Block. Screw Traverse Jack. Cin Block. Strong Wall Crab. Rail Bender. ft Wood Haley Jacks. Ask for List Ko. 28. YOUNGS, Ryland Street Works, BIRMINGHAM. Tel. No.—296 Smethwick (4 lines) W'TsST Grand Prix Telegraphic Address Carriage, ' H 1 Smethwick, Birmingham.’’ A JI JsLwg Buenos Ayres Exhibition, 1910. BIRMINGHAM RAILWAY CARRIAGE & WAGON CO. LD FOR HOME SMETHWICK. AND ABROAD. --- MANUFACTURERS OF - - RAILWAY CARRIAGES & WAGONS of every description, including ALL-STEEL CARRIAGES. Pressed Steel Underframes, Bodies and Bogies. Makers of Railway Wheels and Axles, ironwork, Axle Boxes, Castings, &c. Sole Manufacturers of Dean and Churchward’s Patent “ Eitherside ” Brake, and Marillier’s Patent “Instanter” Coupling. Patent No. 7638. and Patent. No*. 7241 and 17607 applied for. RAISE, LOWER 9,\ K 8 RAISERS® gSTOP/^ WINDING SIGNALS “ NOH-CUMULATIVE.” DAVIS’S SelL Contained SOLENOID BELL with DIAL INDICATOR. Simple, Efficient, Inexpensive. SEND FOR LIST 41V. JOHN DAVIS & SON (DERBY) LTD., All Saints Works, DERBY; & 17, Victoria St., Westminster, London, S.W. 1 Phone—240 Derby. Telegrams— “ Davia, Derby.” LINES WATER, STEAM, OIL, AIR, GAS, HYDRAULIC. CONTRACTS COMPLETED THROUGHOUT UNITED KINGDOM. J. W. HOUSTON & CO., partick cross GLASGOW. .ETC ELECTRIC PLANT ^ACCESSORIES TELEP: 2970 (TWO LINES) TELEG: -THOR CABLES tr SWITCHES CARBON &• METAL LAMPS. HASLAM & STRETTON,U ll.WINDSOR PLACE, . . CARDIFF. . UP-TO-DATE EXPLOSIVES MAINTAINING OUR V 30 YEARS’ REPUTATION.______________ vl ROBURITE No. 4 -------<. AND «.- NEGRO POWDER No. 2 THE SAFEST and MOST EFFICIENT EXPLOSIVES on the NEW PERMITTED LIST. ROBURITE & AMMONAL LIMITED, Gathurst,, near Wigan. LONDON OFFICE: 103, Cannon Street, London, E.C. 4. Telegraphic Addresses: “Roburite, Cannon, London.” Roburite, Gathurst.” Telephone Nos. : 141 Bank. 9 Upholland.