110 THE COLLIERY GUARDIAN. January 21, 1916. STEAM, MOTOR, BELT, OR ROPE=DRIVEN AIR & GAS COMPRESSORS From 50 to 15,000 cubic feet FOR COLLIERIES, MINES, Etc. STEAM-DRIVEN AIR COMPRESSOR. ADVANTAGES SIMPLICITY. RELIABILITY. DURABILITY. HIGH EFFICIENCY. SELF-LUBRICATION. BEST WORKMANSHIP. SMALL FLOOR SPACE. MINIMUM MAINTENANCE 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. and Improved “ OUTSIDE- BAND” FRICTION CLUTCH. 100-H.P. “ENDLESS” Telephone—No. “ 5 5 ” Wigan, 'telegrams—“ Haulage, Wigan.” iOZr; VIO® life I i f t WiCS otL;,iD Fitted with AUTOMATIC BRAKE Haulage Gears of every type. WINDING, PUMPING & AIR COMPRESSING ENGINES.