March 30, 1917. THE COLLIERY GUARDIAN. 649 COPPEE COKE OVENS BY-PRODUCT PLANTS, and Established 1851 COPPEE COAL WASHERS CRUDE and RECTIFIED BENZOL PLANTS. ol For Particulars, apply to— THE COPPEE COMPANY (BRITAIN) Ltd King’s House, Kingsway, LONDON. Telegrams: “EVCOPPEE, WESTCENT, LONDON.” Telephone : HOLBORN, 5820 (2 lines). Russian Office : 35, Pouchkinskaia, Kharkoff. Cardiff Office : 38, Mount Stuart Square. 4875 Cardiff. Glasgow Office: 29, Waterloo Street. 5332 Central (4 lines). Plants are at present under Construction in ENGLAND, WALES, BELGIUM, RUSSIA, FRANCE, HOLLAND, SPAIN, MEXICO and AFRICA. PRINCEPS PATENT “DEFLECTOR” OIL SEPARATOR. Capacity, 300,000 lbs. of steam per hour, 60" diameter main. ONE OF THE LARGEST EXTRACTORS MADE IN THIS COUNTRY. BUMSTED & CHANDLER LTD. Cannock Chase Foundry and Engine Works, HEDNESFORD, STAFFS. Telegrams—“ Bags, Hednesford.” Telephone—48 Cannock. PRINCEPS & CO., Engineers, SHEFFIELD. FANS AND ENGINES FOR MINE Ventila- tion, with Special Reversing Doors. - - .*■ ■ ■ ' • V , ■ . <>>-——• - High Speed Engines FOR LIGHTING and POWER. Centri- fugal Pumps. Haulage Gears, &c. Above illustration shows our Steel Cased Reversing Fan, which is passing a larger volume of air than the 40 feet brick-cased fan alongside it. March 6th, from J in. to 4 in. THOMAS SUMMERSON & SONS LTD., ALBERT WORKS, DARLINGTON. Black Gas ................... 60 miles Red Steam ... '.............. 40 ,, Galvanised Gas .............. 50 „ Galvanised Steam ............ 40 „ TOTAL STOCK 190 miles Send Specification for Prices. Warehouses : Leeds, and Trafford Park, Manchester. S. DIXON & SON LD., Swinegate, LEEDS. Telegrams—“Brass, Leeds.” Phone—3600 (4 lines). Sidings Contracted for Complete. MANUFACTURERS of SWITCHES and CROSSINGS, Chairs, Spikes, Fish Plates, Iron and Steel’ Castings. FISH PLATES and BOLTS for various sections of Rail kept in Stock.