1206 THE COLLIERY GUARDIAN. December 22, 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 w *** f nt ? M» j ’S- & s I1 1 1 f': < -I I ■ - :->Y'.• 5 :• .-eg*-; fc MOTOR-DRIVEN AIR COMPRESSOR. BELLISS Telegrams : “BELLISS, BIRMINGHAM.” & MORCOM BIRMINGHAM. LIMITED, London Office : 8, VICTORIA STREET, S.W. = Davenport Engineering Co. Ltd. Harris St., “ Humidity, Bradto BRADFORD. LONDON OFFICE: 52, Caxton House, S.W. .aVX"”,,1. HOLEHOUSE’S PATENT COOLING TOWERS. Made at our own Works and constructed on the best engi= neering lines. Coolers all made to standards and a number kept in stock for quick delivery. The best constructed irrigation system on the market.