840 THE COLLIERY GUARDIAN. May 5, 1916. March CONTRACTORS TO British Government. Permitted Explosives: We have had to stop making some of our Ex- plosives; but Thames Powder No. 2 is still on the market. GREENWOOD & BATLEY Ltd., ALBION WORKS, LEEDS. Telephone—5200 LEEDS. I Telemm.—" GREENWOOD. LEEDS." STEAM TURBINES HIGH PRESSURE,—EXHAUST STEAM,—MIXED PRESSURE. FROM 3-B.H.P. TO 600-B.H.P. Part of order for totally enclosed gas- proof Mining Motors with ball bearings and plate glass spy holes. * i ■ 1 ■L ’ K" IL i 'I ■ ELECTRIC MOTORS AND GENERATORS. A.C. AND D.C. FOR ALL PURPOSES. Walter Scott Ltd. Leeds, LEEDS STEEL WORKS, England. MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, &c. Example of 10 in. x 6 in. - 42 lb. R.S. Joists curved for Framework to Roadway. Pit Head Frame. . Erected in Works ■Sk lor inspection. «> \ ♦ V I ^l?***. ' ® ra ® a ■ / F J * s 9 Jff 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.