September 8, 1916. THE COLLIERY GUARDIAN. 483 - Davenport Engineering Co. Ltd. Harris St., Bradford. Telegrams : “ Humidity, Bradford.” Telephone : 3 553 Bradford. LONDON OFFICE: 52, Caxton House, S.W. 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. 4 * ... > . The Malleable Ironfounders, Dronfield, near i 1 H - R | Ma $ Makers of all kinds of Driving and Elevator GEORGE FLETCHER&CO.LTD SPECIALISTS IN DERBY COLLIERY, MINING & CEMENT WORKS PLANT. ELEVATORS Continuous or Gravity Bucket Types. CONVEYORS Rubber or Cotton Band. Steel Tray or Scraper Type. FOR HANDLING Coal, Coke, Clinker & Cement. Chains, Sprocket Wheels, Elevator Buckets, &c. « London Office : 21, Mincing Lane. TCI Cphone: 817 (2 lines). 'Phone : 28 13 Avenue. I LiL/L^grams: "Amarilla, Derby.” 'Grams: "Amarilla, Fen, London.