April 13, 1917. THE COLLIERY GUARDIAN. 703 DU CROO & BRAUNS CAN SUPPLY FROM STOCK Track IPWAGONS GAUGE 24 in. URNTABLES 2 5 52 Victoria 53, Victoria Street, “ Ducrobra, Vic, London.” LONDON, S.W. Patent High Efficiency TURBO PUMPS Many Unique Points. Ask for Catalogue P 84. THE POWER PLANT Co. Ltd., WEST DRAYION, MIDDLESEX. Telegrams—“ Roc, West Drayton.” Telephone—22 Yiewsley. WILLIAM COOKE & Co. Ltd. ESTABLISHED 1866. TRADE MARK. Tinsley Steel, Iron and Wire Rope Works, SHEFFIELD, Contractors to H.M. Government and English and Foreign Railways. London Office: 110, Cannon Street, E.C. Australian Office: 109, Pitt Street, Sydney. MANUFACTURERS OF WIRE ROPES. GOLD MEDALS. Sydney, 1879. Mining, London, 1890. Melbourne, 1880. Naval, London, 1891. PARIS EXHIBITION, 1900, GOLD MEDAL. Lang’s Lay and other principles for Mining, Shipping, Cranes, &c., &c. Forged Hauling Rope Sockets or Capels. Guide Rods, Galvanised Strand and Signal Wire. Special Wire Rods for Rone, Spring, Card Wire, &c. Best Yorkshire Iron for Engineering and Colliery purposes. Bessemer Steel Bars and Rods. Channel Steels for Rubber Tyres. Horse and Pit Pony Shoes. ... DISPOSAL OF PIT REFUSE. Are you short of Men ? Are you short of Wagons ? AN AERIAL ROPEWAY Will overcome these difficulties. ■ Send us your enquiries. THE BRITISH ROPEWAY Tele:&1.1^ 7, MINCING LANE, ENGINEERING Co. Ltd., LONDON, E.C. 3. ALL BRITISH MANUFACTURE. IMMEDIATE DELIVERY. The NATIONAL PATENT CHECK-ACTION TIME RECORDERS AS SUPPLIED TO H.M. GOVERNMENT. IM PORTANT. Time Recorders with patent cheek-action are the card machines preventing mistakes in recording for wrong days. They Register for Correct Day only. COLLIERY MANAGERS should write for Explanatory Catalogue : T M E National Time Recorder Company. The Largest Manufacturers of Time Recorders in the Kingdom. HoTpel9ei8. Offices: 5, BLACKFRIARS RD. Factory: 88, 89 & 90, Upper Ground St., London, S.E. Branches—BIRMINGHAM, BRISTOL, MANCHESTER & GLASGOW. STOCK BOILERS. “ Thompson ” Dish-Ended Type. Dish End Boilers... 30ft. by 9ft. 3in., 1501b. w.p. .... 30 ft. by 8ft. 6in., 1201b. w.p. „ .... 30 ft. by 8 ft. 3 in., 1501b. w.p. Other sizes and pressures. JOHN THOMPSON, Wolverhampton, Eng. NON-CONDUCTING COVERINGS ^Plastic. Patent Removable Sectional Coverings. Asbestos & Slag Wool Mattresses, Asbestos Composition. Colliery Shaft Sectional Covering our Speciality. SECTIONAL & PLASTIC BOILER COVERING 00., Succrs. to Toope’s Asbestos Covering Co. Ltd 90, St. Paul’s Road, Bow, LONDON, E. Contractors to H.M. Office of Works, Send for Prices,^Catalogues, and Samples. s HIGH-PRESSURE Steam Boilers r or any working pressure. J. & J. HORSFIELD Ld, DEWSBURY, YORKSHIRE