July 5, 1918. THE COLLIERY GUARDIAN. [supplement PAGE I.] 37 IE. W. TURNER^! = English Timber Merchants, = 1 BLOXWICH, STAFFS. | = Every kind of sawn & round English Timber, = ij= Oak Waggon Scantling, Tram Boards, circular = and straight Pine Sheeting, Deals, &c. = = Tpl RPhone 1 13 BLOXWICH. = = 1 DLDgratnsj “TIMBER, BLOXWICH.” = L51ll|l|llllllllllllllll|llllllllllllllllllllllllllllllllllllllllllllllllllillllF WOODITE' The best material Tor Conical GAUGE GLASS RINGS in all sizes and sections For Valves, Joint Rings, Pump Cups, Ram Rings, Packing Rings. Price List and full particulars on application to— WOODITE CO., Mitcham Common, Surrey. British Manufacture. Best Quality at Lowest Prices. Every description either separate or in cases. SPECIAL 12 in. CARDBOARD PROTRACTOR, reading to at 3s., postage & packing lx. ILLUSTBATBD CATALOGUE ON APPLICATION. WU UADI INf* Mathematical Drawing and Surveying ■ TIMriUlInu, Instrument Manufacturer, 47, Finsbury Pavement, London, E.C. 2 Established 1851. Factobt—UPPER CLAPTON, N.E. THE WESTOOL ELECTRIC DRILL, for Wood, Iron and Steel. Standard sizes. Capacity in Steel. No. 1 & in. No. 2 {in. No. 3 in. Write for descriptive Leaflet. Entirely British made. THE WESTMINSTER TOOL & ELECTRIC CO. Suffolk House, Laurence Pountney Hill, Cannon St., London, E.C. 4. Telegrams—“ Westolelco-Cannon, London. Sole Makers- s*.. Structural Steelwork Steel Framed Buildings, Roof Principals. BRIDGES, GANTRYS, RUNWAYS, BUNKERS, HOPPERS, PITHEAD FRAMING. Hill & Smith Ltd. Brierley Hill, Staffs. ■ ■■ .. ■. n-T-irin Willcox’s Oils COLLIERY ENGINEERS’ STORES ef every description. Illustrated Lists will be gladly sent upon receipt of application. Super-Qualities for all Colliery Lighting and Power Plants. W. H. WILLCOX & CO. LTD., 32 to 38, Southwark Street, London, S.E. Semet-Solvay Coke Ovens SECTION OF OVEN SHOWING SOLID CONSTRUCTION. Strongest in Design. Separate sets of flues to each oven. Very low Maintenance Cost. With “DIRECT” AMMONIA RECOVERY PLANT, Complete Benzol and Toluol Plant and Tar Distillation Plant. THE COKE OVEN CONSTRUCTION CO. L! Howard Chambers, 155, Norfolk Street, SHEFFIELD.