March 30, 1917. THE COLLIERY GUARDIAN. 611 DU CROO & BRAUNS CAN SUPPLY FROM STOCK Patent High Efficiency Ira TURBO PUMPS RACK IPWAGONS GAUGE 24 in. URNTABLES Many Unique Points. Ask for Catalogue P 84. 25 5 2 Victoria 53, Victoria Street, “ Ducrobra, Vic, London.” LONDON, S.W. 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: 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 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. ENDURITE ASBESTOS-CEMENT FLAT & CORRUGATED TILES & SHEETS , Engineering Wnrks, &c. Deliveries from Stock. Quotations upon application. TRIBE &. ASTIR, TREVELYAN BUILDINGS, MANCHESTER. ALL BRITISH MANUFACTURE. IMMEDIATE DELIVERY. The NATIONAL PATENT CHECK-ACTION TIME RECORDERS AS SUPPLIED TO N.M. GOVERNMENT. IMPORTANT. Time Recorders with patent ch eok-aotion 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. HoTpel9%. 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. 6 in., 1201b. w.p. „ „ ... 30ft. by 8ft. 3in., 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 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 Prices,^Catalogues, and Samples. HIGH-PRESSURE Steam Boilers For any working pressure. J. S J. HORSFIELD U, DEWSBURY, YORKSHIRE.