February 7, 1913. THE COLLIERY GUARDIAN. 267 JOHN SHAW LTD., Yorkshire Wire Rope Works, SHEFFIELD, ENGLAND. STEEL WIRE ROPES OF EVERY DESCRIPTION. JOHN SHAW (AUSTRALIA) LD., 445, Kent Street, Sydney. WILLIAM COOKE & CO. LTD. fc“"‘W!S6#- Tjnsiey steel, Iron & Wire Rope Works SHEFFIELD LCOOKE&C°\ Contractors to H.M. Government and English and Foreign Railways. LONDON TRADE MARK. MANUFACTURERS OF WIRE ROPES. OFFICEHO, CANNON STREET GOLD MEDALS. Sydney, 1879. Mining, London, 1890. Melbourne, 1880. Naval, London, 1891. PARIS EXHIBITION, 1900, GOLD MEDAL. Lay and other principles for Mining, Shipping, Cranes. &c., &c. Forged Hauling Rope Sockets or Capels. Guide Rods, (BOyanised Strand and Signal Wire. Special Wire Rods for Hope, 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. e pl « Im wk E. DAVIS, AND AT Z Bank Chambers, Scott Lane, Doncaster. MANUFACTURER OF MINING, SURVEYING, DRAWING, AND ENGINEERING INSTRUMENTS. PRESSURE GAUGES Of every Description made and Repaired on the Premises. Catalogue Free on Application. j|Kr^90 ^urdon^\210vA^m Kl fiL Pressure n Hl H ° 240 B Hi %pr.D" GENUINE DOUBLE HELICAL GEAR With Teeth cut direct from the solid in one continuous piece. Maximum STRENGTH and EFFICIENCY. Sole Manufacturers— DAVID BROWN & SONS (HFD.) LD., HUDDERSFIELD. OXYGEN. THE BRITISH OXYGEN GO. LTD., The oldest and most extensive Oxygen producing and distributing business in the World. Factcries in all Industrial Centres equipped exclusively with modern liquid air plants producing Oxygen of unrivalled purity, the only residual being a trace of nitrogen, as sanctioned and recommended by the Home Office Order of May 4th, 1912, for use with RESCUE APPARATUS. ADDRESSES OF THE COMPANY’S WORKS : LONDON Elverton Street, Westminster, S.W. ,, Tunnel Avenue, East Greenwich, S.E BIRMINGHAM Saltley Works. CARDIFF ... East Moors. MANCHESTER Great Marlborough Street. SHEFFIELD Celtic Works, Savile Street. NEWCASTLE- ON-TYNE... Boyd Street. GLASGOW ... Rosehill Works, Polmadie. HIGH-PRESSURE Steam Boilers For any working pressure. J. & J. HORSFIELD LD., -------- BOILER MAKERS, -- Constructional Engineers A Ironfounders, DEWSBURY. YORKSHIRE.