1262 THE COLLIERY GUARDIAN. December 18, 1914. Wrought Iron and Steel Tubes. Special Joint These Tubes are specially suitable for use in Mines, being both light and strong. FITTINGS OF ALL KINDS SUPPLIED. Improved Albion Loose Flange Joint. for Collieries. Joints are easily connected, and a Tube can be removed without disturbing the run. PRICE LISTS SENT ON APPLICATION. STEWARTS and LLOYDS LTD., GLASGOW 41, Oswald Street. BIRMINGHAM-Broad Street Chambers. LONDON -Winchester House, Old Broad Street. DF A DM STEAM s P0WER pumps ll I w From Stock or for Quick Delivery. Frank Pearn & Co. Ltd., Manchester, S.E. Write for Particulars. The PREMIER Screen in the WORLD is Norton’s Patent Horizontal Main Screen. REQUIRES NO SPECIAL FOUNDATION. Will work continuously WITHOUT BOLTING DOWN. Will Screen more efficiently than any other screen. Nearly 150 Screens now at work. For PERFECT sizing & loading USE PULSATING CONVEYORS AND PULSATING LOADING JIBS (NORTON’S PATENTS). We are constructing and erecting more than one complete Screening Plant every month. Capacities 2,000 to 5,000 tons per day, NORTON’S PATENT HORIZONTAL MAIN SCREEN AND COMBINED PICKING CONVEYOR, fitted with our Patent Air Cushioning Cylinders The Screen illustrated is5ft. 6 in. wide having 4 decks, and will deal with 125 tons of coal per hour separating into 4 sizes, and passing the large coal without any fall to the Picking Conveyor. Three of the above screens are erected in one plant which contains 7 other Norton’s Patent Horizontal Screening Conveyors. NORTONS (TIVIDALE) Ltd., HECLA Works, Tipton, England. EDWIN LEWIS & SONS, ManuTf"^ers, Wolverhampton ------- (THE ORIGINAL INVENTORS OF LOOSE FLANGED TUBES) - ARE NOW MANUFACTURING LARGELY TUBULAR PIT PROPS After Exhaustive Tests at Lloyds’ Proving House. —•-----------------------------Illustrations and Prices on application. ——------------------------- Telegrams—“Lewis, Wolverhampton.” Ml/nrls) Patent lron Tube Works, Monmore Green. London Address—143, Cannon Street, E.C. Telephone—Nos. 15 & 180 Wolverhampton. &( Britannia Tube Works, Ettingshall. Liverpool Warehouse 58, South John St. W. E. TEALE &. Co. Ltd., SWINTON, LANCS. --- APPROVED - . MINERS’ SAFETY LAMPS, GLASSES. COLLIERY STORES, &c. COLLIERY OWNERS MANUFACTURING BRICKS SHOULD SUBSCRIBE TO THE BRITISH CLAY-WORKER The Organ of the Brick and Tile Trades. Published Monthly. Subscription : 8s. per annum, post free. Send for Specimen Copy to the Publisher, The BRITISH CLAY-WORKER, 43, Essex-St., LONDON, W.C. ALFRED ALLEN & SON Makers of LTD. (COLLIERY AIR PIPES' and COLLIERY TUBS In IRON, STEEL and WOOD. Lower Gornal, nr. Dixclley. Telegrams—” Allen. Lower Gornal." Telephone—106 Dudley. THE SOUTH WALES COALFIELD. PART II. By Henry K. Jordan, F G.s. (Pa«t Presi .eat and first Gold Medallist of the South Wales Institute of Enuineers). This Paper, which deals with the western part of the Coalfield, has just been published by the South Wales Institute of Engineers. It consists of 81 pages of printed matter with sections and diagrams. The large drawings are issued separately and comprise 1. A Horizontal Section across the anthracite region of Llandybie and Pant-y ffynnon, and via the Dulais Valley to the sea at Swansea. It is drawn to a scale of s x inches to one mile, is 8 ft. in length, mounted on linen, and geologically coloured. 2. Comparative Sections of the Lower Measures in the following areas .— TA) Neath Valley. (Ej Ammanford. (B) Swansea Valley. (F) Loughor Valley. (C) Brynamman District. (G) Gwendraeth District. (D) Amman Valley. (H) Gwendraeth District. These are drawn on one sheet, about 35 by 30 in., mounted on linen, to a scale of 200 ft. to 1 in. 3. A Map of Swansea District, on a scale of 6 in. to one mile, showing the outcrops of the coal seams. A limited number of the above are for Fale, and may be obtained from The Secretary, The South Wales Institute of Engineers, CARDIFF. Price £1 Is., Postage Extra. “The South Wales Coalfield,” Part I.,by Mr. H. K. Jordan,published in 1908, price £2 2s., dealt with the eastern half of the Coalfield, and may be obtained from the Secretary.