December 10, 1915. THE COLLIERY GUARDIAN. 1179 THERE IS A PLOWRIGHT BROS. LTD., Brampton Iron Works, Chesterfield. CENTRIFUGAL FAN for every purpose for which a : : Fan can be used. : : Speciality— COAL SCREENING « CONVEYING I £ 1 - -r V j FORGE FANS. In sizes suitable for one to forty fires. See Bulletin No. 2000 C. L '..visW’ ■' "N SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER. CONSIDERABLY OVER 100 PLANTS Davidson & Co. Ltd., Sirocco Engineering Works, BELFAST. NOW AT WORK IN GREAT BRITAIN AND THE COLONIES, Estimates and Designs on application. Agent for South Wales: A. LEIGHTON STEVENS, 15, Fields Road, Newport, Mon. GREENWOOD & BATLEY Ltd., ALBION WORKS, LEEDS. Telephone—S2OO LEEDS. I Telegram.—“GREENWOOD. LEEDS.” s S Li STEAM TURBINES HIGH PRESSURE—EXHAUST STEAM—MIXED PRESSURE. FROM 3-B.H.P. TO 600-B.H.P. 3 h> Part of order for totally enclosed gas- proof Mining Motors with bail bearings and plate glass spy holes. ELECTRIC MOTORS Walter Scon Ltd. I Leeds, LEEDS STEEL WORKS, England. ; MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, &c. Head Frame. Erected in Works for inspection. Example of 10 in. x 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, &c. 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. AND GENERATORS. A.C. AND D.C. FOR ALL PURPOSES.