February 18, 1916. THE COLLIERY GUARDIAN. 309 Walter Scon Ltd. Leeds, LEEDS STEEL WORKS England MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, &c. Pit Head Frame, k Erected in Works feb for inspection. Example of 10 in. * 6 in. 42 lb. R.S. Joists curved for Framework to Roadway. ROLLED STEEL JOISTS for PIT PROPS, FRAMEWORK TO ROADWAYS. &c. STRUCTURAL STEELWORK FOR BUILDINGS, Ac. Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Flats. Rolls cut for Special Sections and to approved quantities, Books of Sections and other information on application. Blowing and Exhausting Fans for blowing brazing, rivet-heating, and forge fires, and all kinds of furnaces ; exhausting dust from grinding and polishing machines, and local ventilation of tunnels and mine- drifts, etc. These Fans are strongly built, and run equally well in any position. We have a wide experience in the application of Fans and Blowers, and our expert knowledge is at the disposal of clients. James Keith & Blackman C" LTD 27, Farringdon Avenue, LONDON. AND AT Manchester, Newcastle, Cardiff, Leeds, Glasgow, Edinburgh, &c. THREE-THROW COPYRIGHT , BiR«INGHAM RAM PUMP For Mining Purposes, Town’s Water Supply, &c. With BELT PULLEYS for driving by “SUCTION” GAS ENGINE, OIL ENGINE, STEAM ENGINE, or with ELECTRIC MOTOR. Fitted with OUTSIDE VALVE SPRINGS for HIGH SPEEDS. Quotations on receipt of particulars of the duty. TANGYES L™ No. 408 D