November 10, 1916. THE COLLIERY GUARDIAN. 887 DU CROO & BRAUNS CAN SUPPLY FROM STOCK Track IPWAGONS GAUGE 24 in. URNTABLES SPECIFY DOUBLE HELICAL GEARS For your Haulages and Winders. EFFICIENCY 98°/0 SILENT AND DURABLE. 25 52 Victoria. 53, Victoria Street, “ Ducrobra, Vic, London.” LONDON, S.W. I THE POWER PLANT Co. Ld., WEST DRAYTON, MIDDLESEX. Telegrams—“ Roc, West Drayton.” Telephone—22 Yiewsley. WILLIAM COOKE & Co. Ltd. eSTABLISHED 1866, VCOOKE&CS TRADE MARK. Tinsley Steel, Iron and Wire Rope Works, SHEFFIELD, Contractors to H.M. Government and English and Foreign Railways. London Office: 110, Gannon Street, E.C. Australian Office: 109, J 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'3 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. The NEW EXPLOSIVES COMPANY Ld. ESTABLISHED 1865. Manufacturers of every description of High Explosives for Mining and Blasting Purposes. STOMONAL No. !■ The Ideal “Permitted” Explosive for Coal Mines. Particulars and Prices on application to the Company or any of their Agents. Works : Stowmarket, Suffolk. Head Office : 62, London Wall, London, E.C. ALL BRITISH MANUFACTURE. IMMEDIA TE DELIVERY. The NATIONAL PATENT CHECK-ACTION TIME RECORDERS AS SUPPLIED TO H.M. GOVERNMENT. IMPORTANT. Time Recorders with patent check-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: THE National Time Recorder Company. The Largest Manufacturers of Time Recorders in the Kingdom. Hop 918. Offices: 5, BLACKFRIARS RD. Factory: 88, 89 &-90, Upper GroundiSt, London, S.E. Branches—BIRMINGHAM,[BRISTOL,'MANCHESTER'& CLASCOW. 80 BOILERS IN STOCK. “ Thompson ” Dish-Ended Type. 3 BOILERS ... 30ft. by 9ft. 3in., 1601b. w.p. 1 BOILER ... 30ft. by 8ft. 6m„ 1501b. w.p. 1 ,, ... 30ft. by 8ft. Sin., 1001b. w.p. Also 70 other sizes and pressures. JOHN THOMPSON, Wolverhampton, Eng. NON-CONDUCTING COVERINGS Patent Removable Sectional Coverings. Asbestos & Slag Wool Mattresses, Asbestos Composition. Colliery Shaft Sectional Covering our Speciality. SECTIONAL _ & PLASTIC BOILER COVERING CO., 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 PricesjDatalogues, and Samples. HIGH-PRESSURE Steam Boilers For any working pressure. J. & J. HORSFIELD IX DEWSBURY, YORKSHIRE.