July 24 1914 THE COLLIERY GUARDIAN. 193 MARK LOWRIGHT BROS. LTD., Brampton Iron Works, Chesterfield. MINE FANS Speciality SCREENING & CONVEYING I Deliver more air at less cost for power than the ordinary paddle blade Fan. Sirocco Fans can be arranged for reversal of air current. ■ \ » ... s * ... • 8 SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTEF DAVIDSON & Co. Ltd., Sirocco Engineering Works, BELFAST. CONSIDERABLY OVER IRA Pl ANTQ "°"»>tbZaV IUU I LHIn I w AMD THE C0L0HIES Estimates and Designs on application. Agent for South Wales: A. LEIGHTON STEYEMS, 16, Fields Road, Newport, Mot “HARDY” DRILL Walter Scott Ltd. Leeds, LEEDS STEEL WORKS. England. SPECIAL TOUCH HIBH SPEED AND CAST STEEL ALL SECTIONS and for ALL PURPOSES. CANNOT BE EXCELLED. The Hardy Patent Pick Co. Ld. Sheffield, England. MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, Ac. Pit Head Frame, k Erected in Works lor inspection. Example of 10 in. x 6 in. * 421b. 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.