February 22, 1918. THE COLLIERY GUARDIAN. [ SUPPLEMENT PAGE V.] 403 Wall Crane Hydraulic Jack. Duplex Punch. Wood Haley Jacks. Heavy Lifting Crab; Screw Traverse Jack. Rail Bender. Strong Wall Crab. Ask for List No 2&. YOUNGS, Street Works, Gin Block. Worm Block. BIRMINGHAM. 1 ——— Tel. No.—296 Smethwick (4 lines) "NT Grand Prix, Tele Smethwick,dBlrminghi^’!age’ JL 1&1L Buenos Ayres Exhibition, 1 910. BIRMINGHAM RAILWAY CARRIAGE & WAGON GO. 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. LANCASHIRE BOILER fitted with SIMPLET CIRCULATOR. For further particulars of the above, apply THE LONDON SIMPLET ENGINEERING CO. LTD., ===== 20, CULLUM STREET, ==___ FENCHURCH STREET, LONDON, E.C. 3 RAISE 12 9 RAISE, 8 Slower .steadily. Patent No. 7638. and Patents Nos. 7241 and 17607 applied for. WINDING SIGNALS “ NOH-CUMULATIVE.” DAVIS’S Self=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—“ Davis, Derby.” TELEP: 2973 (TWO LINES) TELEC'TNOP” ELECTRIC PLANT^ACCESSORIES CABLES Cr SWITCHES. CARBON6- METAL if 1 LAMPS. I B | M I HASLAM & STRETTON,U,D 11,WINDSOR PLACE, . . CARDIFF. . . ' UP-TO-DATE EXPLOSIVES MAINTAINING OUR V 30 YEARS’ REPUTATION. ul 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.