October 11, 1918. THE COLLIERY GUARDIAN. 747 The “WINDY PUTTER.” Shaft Revolves on Bearing. Drum Revolves on Shaft. Impossible to Wear Flat. Machine-cut Gear. Separate from Drum Clutch Lever. 3$ Foot Brakes. Single Lever to Start, Stop and Reverse. z_' Drum Shaft and Engine Shaft Bearing Pedestals are Integral Parts of Frame; so that Gear Centres cannot vary, and Gears cannot Chatter or Strip. HUGH WOOD & CO. LTD., Dept. Gr, N EWCASTLE-ON-TYN E. Telegrams: “HUWOD, NEWCASTLE.” Telephone: 980 CENTRAL LONDON : 65, Fenchurch Street, E.C. 3. CARDIFF: 102, St. Mary Street. MANCHESTER : Hive Works, Trafford Park. CONSTRUCTORS Ropeways classes Telephone—12780 Central. i—“Ropeways, London” AUTOMATIC DUMPING WITH MONOCABLE SYSTEM. AUTOMATIC DUMPING WITH BICABLE SYSTEM. ROPEWAYS LIMI1 2, Eldon Street, South Place, London, E. FOR the transport of material over any for the formation of dumps, spoil banks, &c. Installations at present in opera- tion with carrying capacities of 200 tons per hour and lengths of 30 miles. TURBON. Tfee LATEST THING in FANS. Equally suitable for Mine Ventilation, forced and induced draught, or any other purpose. Great strength, simplicity and silence. Highest efficiency. Perfect balance at all speeds. Suitable for all pressures. Resists high temperatures without distortion. No rivets in blades. Manufactured by THE WADDLE PATENT FAN CO. LTD., TURBON PATENT FAN CO. LTD, K.ONOON Address- — -r -w- V 34, Viotorla Street. S."W. 1. F. I 4 ■ 4 X • FINENESS. OUTPUT. OR IMPALPABLE POWDER. MINIMUM POWER. MINIMUM WEAR AND TEAR. No Auxiliary Apparatus required for Finishing the Product. Heavy Construction. OVER 4,000 GRIFFIN MILLS INSTALLED. PREVENT GOAL MINE EXPLOSIONS by dusting your mine with stone 'ground in the GIANT GRIFFIN MILL, As supplied to the leading Collieries. Advantaces- MAXIMUM PERCENTAGE OF “FLOUR MAXIMUM MAXIMUM Also extensively used for grinding COAL. LIMESTONE. PORTLAND CEMENT. PHOSPHATE ROCK. ORES OF ALL KINDS. Full particulars on application to-— BRADLEY PULVERIZER CO., ■L 37, WALBROOK, LONDON, E C. 4