Mat 30 1913 THE COLLIERY GUARDIAN. 1111 —A— PLOWRIGHT BROS. LTD., Brampton Iron Works, Chesterfield. INDUCED DRAFT FAN IS A GOOD INVESTMENT Speciality COAL SCREENING & CONVEYING. THE Lost of a “ Sirocco ” , Induced ora ft Plant is about 30 to 40 °/0 of that of a chimney of equal capacity. THE power to drive the Fan varies from 3/4U1S to a °/0 of the total power generated, while the saving frequently amounts to from 15 to 20 °/0. INCREASES the steaming capacity of existing boilers and thereby increases the Works production. REDUCES the Coal Bill be- cause cheaper coal can be used than with natural draft. Send for Catalogue 19 H. PERMITS the use of the waste heat in the flue gases by means of economisers, superheaters, &c. \/ A k I SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER. CONSIDERABLY OVER 100 ffel fl II TO NOW AT WORK IN 1UU rLAN Io Estimates and Designs on application. Agent for South Wales: A. LEIGHTON STEVENS, 15, Fields Road, Newport, Mon. Walter Scott Ltd. Leeds, LEEDS STEEL WORKS. England. MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, 4c. Example of 10 in. * 6 in. - 421b. R.S Joists curved for Framework to Roadway. / «■ / > ♦ J 8 / Pit Head Frame, k Erected in Works for inspection. \ ■* V I L ® (a 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. WAILES, DOVE & Co.’s Patent BITUMASTIC Solution ---- GIVES ----- PERMANENT PROTECTION FROM CORROSION TO ALL IRONWORK. A BRILLIANT BLACK COLOUR. SUPPLIED READY FOR USE. EASILY APPLIED BY UNSKILLED LABOUR. CHEAPER THAN ORDINARY OXIDE PAINTS, OWING TO ITS GREATER COVERING CAPACITY AND LASTING QUALITIES. WRITE FOR PAMPHLET OF FULL PARTICULARS TO- Head Ofiice NEWCASTLE-ON-TYNE. Also at London, Liverpool, Manchester, Glasgow, Cardiff, Birmingham, Leeds, Hull, &c. Every Office on the Telephone - Telegrams “BITUMASTIC.” OPEN BKIDL.E Made also in Box Nose. ?ONGA/?fl Perfect Eye & Head Shield. Light ! Comfortable ! Durable ! Reasonable I Sole Agents : LEGARD& SON, Pit Pony Harness Makersj and Contractors, LEATHER MERCHANTS, ’PHONE 11. Barnsley.