October 11, 1918. THE COLLIERY GUARDIAN. 739 DU CROO & BRAUNS U° CAN SUPPLY FROM STOCK Track IPWAGONS GAUGE 24 in. URNTABLES HEAVY DUTY 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 T>OWER 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, 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 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. 7- LYDBROOK GLOS DETONATOR 6 /J Codes.HEBER'S 8> A.B.C.Sth.Ed^ Telegrams DETONATOR, LYDBROOK. Manufacturers of Electric Detonators and Powder Fuses, Shot Firing Cables, Exploders, anti all Accessories for k Electric Shot Firing. ALL BRITISH MANUFACTURE. IMMEDIATE 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: T M E National Time Recorder Company Ltd. The Largest Manufacturers of Time Recorders in the Kingdom. HSois.Offices: 5, Blackfriars Rd.,S.E.1 Factory: 88,89 & 90, Upper Ground St., London, S.E. 1 Branch..-BIRMINGHAM BRISTOL, MANCHESTER & GLASGOW. TYPES. OF ALL “THOMPSON” BOILERS DISH END TYPE. Possess important constructional advantages over the old Flat End design. WOLVERHAMPTON, Eng NON-CONDUCTING COVERINGS