September 27, 1918. THE COLLIERY GUARDIAN. 635 DU CROO & BRAUNS LTD CAN SUPPLY FROM STOCK Track IPWAGONS GAUGE 24 in. URNTABLES HEAVY DUTY O FLEXIBLE COUPLINGS. FOR HAULAGES AND WINDERS. Ask for LIST No. 7. 25 52 Victoria 53, Victoria Street, “ Ducrobra, Vic, London.” LONDON, S.W. 1. THE POWER PLANT Co. Ltd., WEST DRAYTON, 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: 26, Victoria Street, S.W. 1. 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, GOE.D 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 Rope, 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 Te/egrsms: DETONATOR, LTD BROOK. ELECTRICS ? DETONATOR ( KOMPANY! i LYDBROOK B I GLOS i Manufacturers of Electric Detonators WWW r-J and Powder Fuses, Shot Firing Cables, Exploders, anil all Accessories for \ Electric Shot Firing. Codes.L/EBER'S 8, A.B.C.Sth.Ed STEEL Railway and Constructional Material, Tipping Wagons, Etc. E.THORNTONS CO., 56-58 Moor gate Street, London, E.C. 2. Tel.: London Wall 2318. Also Paris — New York — Antwerp Buenos-Aires. TYPES. OF ALL “THOMPSON” BOILERS DISH END TYPE. Possess important constructional advantages over the old Flat End design. 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 CO., Succrs. to Toope’s Asbestos Covering Co. Ltd.. 90, St. Paul’s Road, Bow, LONDON, E 3 Contractors to H.M. Olfloe of Works, Send for Prices, Catalogues, and Samples. HIGH-PRESSURE Steam Boilers For any working pressure. J. & J. HORSFIELD Ld.? DEWSBURY, YORKSHIRE-