306 THE COLLIERY GUARDIAN. February 18, 1916. STEAM, MOTOR, BELT, OR ROPE=DRIVEN AIR & GAS COMPRESSORS From 50 to 15,000 cubic feet FOR COLLIERIES, MINES, Etc. h 1J STEAM-DRIVEN AIR COMPRESSOR. ADVANTAGES SIMPLICITY. RELIABILITY. DURABILITY. HIGH EFFICIENCY. SELF-LUBRICATION. BEST WORKMANSHIP. SMALL FLOOR SPACE. MINIMUM MAINTENANCE & n' W" I O f: I i ': I « Li?•‘■bt 71 ____ ■ f I ' ft' a I J- / MOTOR-DRIVEN AIR COMPRESSOR. BELLISS Telegrams : “ BELLISS, BIRMINGHAM.” & MORCOM LIMITED, BIRMINGHAM. London Office : 8, VICTORIA STREET, S.W. JOHN WOOD & SONS, L" Engineers, BARLEY BROOK FOUNDRY, WIGAN. Haulage Gears of every type. Fitted with AUTOMATIC BRAKE 100-H.P. “ENDLESS" Telephone—No. “ 5 5 ” Wigan. Telegrams—“ Haulage, Wigan.” and Improved “ OUTSIDE | BAND” | FRICTION i CLUTCH’ WINDING, PUMPING & AIR COMPRESSING ENGINES.