April 20, 1917. THE COLLIERY GUARDIAN. 787 JAMES SPENCER Hand Drilling Machine (Self-feeding). LIMITED, Hollinwood, Manchester. Weighing Machinery for Collieries a Speciality, Telegrams : Telephone : “Spencer, Hollinwood.” 207 Oldham. Dormant Weighing Machine with back frame. MACHINE CUT GEARING. Double Helical Staggered or Chevron. Reducing Gears. Haulage Gears, ne Recorders & Recording Instruments. Watchmen’s Watches. E LEWELLYN MACHINE CO., Bristol. PRATCHITT BROTHERS, Denton Ironworks, CARLISLE PUMPING, WINDING and HAULING ENGINES ALL BRONZE. SUITABLE FOR ANY PRESSURE. STEAM TRAP FIRST ORDER SENT ON APPROVAL. PATENTEES & MAKERS: JAMES BALDWIN & CO., KEIGHLEY, Engineers & Founders. GALLOWAYS LIMITED, uKf’KE.u MANCHESTER. LANCASHIRE, GALLOWAY, WATER TUBE BOILERS. Patent Superheater. Write for Particulars. THE GOSFORTH FOUNDRY CO. LTD Malleable Ironfounders, Dronfield, near Sheffield. G 52 Makers of all kinds of Driving and Elevator Chains, Sprocket Wheels, Elevator Buckets, &c. A CHEAP YET MOST EFFICIENT INSULATOR AGAINST HEAT RADIATION ■xpIM specially |^| | 1^1 COMPOUNDED “KISOL” (REGISTERED) CEMENT Sample I cwt. bag sent carriage paid to any address for 7s. 6d. ASK FOR “HINTS” ON COVERING STEAM PIPES, BOILERS, &c. . . ---Post Free on Application. - WM. KENYON & SONS Ltd., dukinfield, nr. Manchester. No. 48. Haulage Hope. J. 6 E. WRIGHT (Established 1770) LTD' Universe Wire Rope Works, BIRMINGHAM. Highest Quality No. 49. Winding Rope. STEEL WIRE ROPES No. 59. Winding Rope. In FLATTENED STRAND LOCKED COIL and OTHER SPECIAL CONSTRUCTIONS FOR MINING AND ENGINEERING PURPOSES. Telegrams—‘ ‘ Universe, Birmingham. ’ ’ Telephones—Birmingham 6914 Central (3 lines). Guide Rope. No. 64.