October 18, 1918. THE COLLIERY GUARDIAN. 799 15 H.P. Double Drum Electric Hauler Each drum capable of holding 750 yards | in. dia. rope. Controller removed to show reduction gear. HUGH WOOD & CO. LTD., Dept. G, N E WC AST LE-O N -T Y N E. Telegrams: “HUWOD, NEWCASTLE.” Telephone: 980 CENTRAL. LONDON : Si, Fenchurch Street E.C. 3. CARDIFF: 102, St. Mary Street. MANCHESTER : Hive Works, Trafford Park. Itttis The DE LAVAL STEAM TURBINE THE MOST EFFICIENT PRIME MOVER There is no more efficient prime mover than the De Laval Steam Turbine—especially for Colliery Service. Simplicity of construction, low steam consumption, close speed regu- lation, are its most important advantages—combined with sound mechanical construction and design. They are made in all capacities up to 600 B.H.P. Give us the opportunity of placing full details in your hands. Greenwood & Batley ltd> Leeds.