February 7, 1913. THE COLLIERY GUARDIAN. 305 SlflUGE VflUXHfllLRD lLIVERPOOLj J.B. TREASURE . ErC9, GAUGE CLA55 WA5HER5 I’ETC. 1/575 ! ALL IB in. CARDBOARD PROTRACTOR, reading to at Is. 6d., postage M, ILLUSTRATED CATALOGUE ON APPLICATION. W|| UADI IMP Mathematical Drawing and Surveying * "■ nflslhlnU| instrument Manufacturer, 47, Finsbury Pavement, LONDON, E.C. Established 1851. Factory—HACKNEY, E. British Insulated & Uelsby Cables Ld., ELECTRICAL CABLE MAKERS & ENGINEERS. RBGD. TRADE MARK. Works: Prescot, Helsby & Liverpool. 8EE LARGE ADVERTISEMENT EVERY FOURTH WEEK. WHY HOT USE THE MOST RELIABLE MATERIAL For your Air, Water, &c., Mains ? - ESPECIALLY AS IT IS ALSO THE MOST ECONOMICAL! _— Mannesmann Tubes (Spigot & Faucet, Flanged, &c.) are SOLID DRAWN. Illustrated Booklets from— THE BRITISH MAHNESMAHH TUBE CO. LTD., Salisbury House, London Wall, LONDON, E.C. WORKS: LANDORE, SOUTH WALES. BRANCH OFFICES and AGENCIES at BIRMINGHAM, MANCHESTER, NEWCASTLE-ON-TYNE, BELFAST, CARDIFF, GLASGOW, MIDDLESBROUGH & NEWPORT (MON.). PUMPS FOR DIP WORKINGS IN COLLIERIES, MINES, &c. Worked by the handle being pushed TO and FRO. Lift 25 ft. Force 60 ft. and more. WILLCOX SEMI-ROTARY WING PUMPS i in. to 4 in. 4,000 Stocked in IRON, also BRASS. EASY ACTION. SPLENDID RESULTS. W. H. WILLCOX & CO. LTD also for QUARRIES Large Sizes 21 in. to 4 in. bore have double handles for two or more men. and great CAPACITIES, which amount to over 8,000 gallons per hour. They are EASILY FIXED, and we mount them in various ways for hand and power. We have excellent testimonials and receive large orders for these Pumps from MINE MANAGERS, &c., on account of their Fitted also for POWER. § EXCELLENCE IN WORKINC 32/38, Southwark Street. LONDON, S. Semet-Solvay Coke Ovens with or without CONTINUOUS RECUPERA- TORS, and “DIRECT” AMMONIA RECOVERY PLANT, which requires no Steam for Distilla- tion, or Cooling Water, and makes no Effluent. THE COKE OVEN CONSTRUCTION CO. L“ Howard Chambers, 155 Norfolk Street, SHEFFIELD.