820 THE COLLIERY GUARDIAN. October 22, 1915. COKE OVENS WITH DIRECT RECOVERY OF BY-PRODUCTS. SIMPLE AND EFFICIENT. NO NOXIOUS EFFLUENT. COAL WASHERS SIMON-CARVES LTD MANCHESTER LATCH & RATCHELOR LD. Wire Drawers, Manufacturers of all classes of Wire Ropes. Patentees and Manufacturers of LOCKED COIL AND FLATTENED STRAND WIRE ROPES. HAY MILLS, near BIRMINGHAM. Pig. a. HAULING. Lang's Lay Ropes. PlfiT. 36. WINDING. Pie. I. HAULING. Patent Flattened Strand Ropes. Plfir. 4. WINDING. SPENCER & fjO, LD Engineers, Melksham WILTS BRANCH OFFICES. HULL— Burnett Avenue. CARDIFF- 92, Claude Road, LONDON- 33, Queen Victoria Street, E.C. LIVERPOOL- 34, Castle Street Pie. >3®. SINKING. Advantages of Patent Flattened Strand Ropes. 1. Greater wearing surface, therefore longer life of rope and less wear upon pulleys. 2. Greater strength, thereby admitting of smaller ropes being used for existing loads, or of increased loads without increase in size of rope. 3. Spliced easily and more effectively. 4. Less tendency to twist and stretch in working. Fig. 13a for Sinking and Fig. lib for Cranes, &c., are non-twisting. Fig. Iib. CRANE, Ac IT WILL PAY to overhaul your Elect- rical Plant periodically, laying out Armature and Field Coils, and, after cleaning off dirt and grease with a cloth wet with benzine, to give them a Fresh Coat of Varnish. This will Strengthen Weak Spots which may be de- veloping in the insulation, and.’thus ward off a Possible Breakdown. The Varnish essent ially suitable for this is “INSULAC INSULATING COMPOUND.” FOR PRICES, WRITE: CHAS. H. BLUME, The White Building, Sheffield. Flg^if^. Locked Coil Ropes. Indispensable for deep shafts. Stronger than any other rope of same size. Entirely free from twist. Smooth surface reduces wear to a minimum. Duration far ahead of any other construction. Fig. 30. GUIDE. WINDING. D. Llewellin Evans PROPRIETOR OF THE Cardiff Brattice Cloth Company, 120, BUTE ST. CARDIFF. AULD'S PATENT STEAM REDUCING VALVES Also Makers of Special FULL BORE Patent Steam Reducing Valves for Blowing, Winding, Pumping and other Engines, and for supplying Surplus or other steam from high to low pressure boilers, &c. FANS for all volumes and pressures. AGENT FOR Nobel's Explosives. DAVID AULD & SONS, Patentees and Makers, LTD. Whitevale Foundry, GLASGOW. James Keith & Blackman Co. Ltd., 27, Farringdon Avenue, LONDON. WIRE ROPES OF ALL KINDS. Agents for Yorks, Notts. Derby & Leicester— YEADON, SON & CO., Albion Place, LEEDS. W. B. BROWN & CO. (BANKHALL) LTD., Globe Works, Liverpool