August 2, 1918. THE COLLIERY GUARDIAN. 211 DU CROC & BRAUNS LTD CAN SUPPLY FROM STOCK Track IPWAGONS GAUGE 24 in. URNTABLES 25 52 Victoria 53, Victoria Street, “ Ducrobra, Vic, London.” LONDON, S.W. 1. p- HEAVY DUTY O FLEXIBLE COUPLINGS. FOR HAULAGES AND WINDERS. Ask for LIST No. 7. THE POWER PLANT Co. Ltd., WEST DRAYTON, MIDDLESEX. Telegrams—" Roc, West Drayton.” Telephone—22 Yiewsley. WILLIAM COOKE & Co. Ltd. SSTABLISHED 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. PARIS EXHIBITION, 1900, GOLD MEDAL. GOLD MEDALS. Sydney, 1879. Mining, London, 1890 Melbourne, 1880. Naval, London, 1891. bang’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 g ELECTRICH DETONATOR COMPANY! LYDBROOK i GLOS. » Tele grams; DETONATOR. LYDBROOK. IS Manufacturers of Electric Detonators and Powder Fuses, Shot Firing Cables, Exploders, anal all Accessories for Electric Shot Firing. Codes.HEBER'S 8> A.B.C.Sth.Ed^kwvvv STEEL Railway and Constructional Material, Tipping Wagons, Etc. E. THORNTON & CO., 56-58 Moorgate Street, London, E.C. 2. Tel.: London Wall 2318. Also Paris — New York — Antwerp Buenos-Aires. OF ALL TYPES. “THOMPSON” BOILERS DISH END TYPE. Possess important constructional advantages over the old Flat End design. WOLVERHAMPTON, Eni NON-CONDUCTING COVERINGS Plastic. Patent Removable Sectional Coverings. Asbestos & Slag Wool Mattresses, Asbestos Composition. Colliery Shaft Sectional Covering our Speciality. Send for Prices, Catalogues, and Samples. 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, HIGH-PRESSURE Steam Boilers For any working pressure. J. 8 J. H0RSF1ELD Ld, DEWSBURY, YORKSHIRE-