September 27, 1918. THE COLLIERY GUARDIAN [supplement PAGE IX.] 677 COPPEE COKE OVENS Established 1851. BY-PRODUCT PLANTS, and COPPEE COAL WASHERS. BENZOL and TOLUOL PLANTS FOR CRUDE, PURE AND OTHER COMMERCIAL PRODUCTS. CONCENTRATED AMMONIA LIQUOR. . I For Particulars, apply to- THE COPPEE COMPANY (BRITAIN) Ltd King’s House, Kingsway, LONDON, W.C. 2. Telegrams: “EVCOPPEE, WESTCENT, LONDON.” Telephone : HOLBORN, 5820 (2 lines). GOODALL, CLAYTON & Co. Lo LEEDS. *' ft- » Telegrams :— “Vertical, Leeds.” Telephone:—20384-5 Leeds. £ MAKERS AND ERECTORS OF SCREENING PLANTS, PICKING BELTS, SCREENS, PITHEAD GEARS. BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c. GAS RETORT INSTALLATIONS, CONVEYING PLANTS. Representatives:—H. L. CHESTON, Pepper Road, Hunslet, Leeds. W. OGDEN DAYSON, 31, Bryn Road, Swansea. WALKER BROS. (Wigan) LIMITED. Codes: ABC 4tli & 5th, Lieber’s, Western Union, Moreing & Neal, Mining. AIR COMPRESSORS with light Disc Valves to recent Patents now at work (or on order) indicating over 135,000 raising total output to 500,000 H.P. PATENT UNLOADING DEVICE AND OUTPUT REGULATOR, FOR POWER DRIVEN PLANTS. Ventilating, Winding and General Mining Machinery. Pagefield Ironworks, WIGAN. Telegraphic Address : “Pagefield, Wigan.” Telephone : No. 14 Wigan (2 lines).