118 THE COLLIERY GUARDIAN. January 19, 1917. = Davenport Engineering Co. Ltd. Harris St., BRADFORD. Telegrams: “ Humidity, Bradford.” Telephone : 3553 Bradford. LONDON OFFICE: 52, Caxton House, S.W. Telephone : 9089 Victoria 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. *5? 4 'S JOHN WOOD & SONS, L™ Engineers, BARLEY BROOK FOUNDRY, WIGAN. I Telephone—No. “ 5 5 ” Wigan. Telegrams—“ Haulage, Wigan. Fitted with AUTOMATIC BRAKE and Improved “ OUTSIDE- BAND” FRICTION CLUTCH. 100-H.P. “ENDLESS” V . * \ I .. ! ■ ■ ' ■ ; Haulage Gears of every typo. WINDING, PUMPING & AIR COMPRESSING ENGINES.