402 THE COLLIERY GUARDIAN. March 3, 1916. W. G. Allen & Sons (tipton) Ltd., tVton. TELEGRAPHIC ADDRESS—“ ALLENS, TIPTON." TELEPHONE—No. 37, TIPTON. N ST EEL OR I RO N FOR ALL PURPOSES HAULAGE CLIP. SA I •oil o.. h u — “-ni ru] L ofallkinds »■ a. yJ, ff'Ww' IIM® |L> mOWBMr L COLLIERY TUBS | OF ALL KINDS Established 1800. — Telephone No. 577 BRASS TIME CHECKS A JOHN LAWSON 4 SONS, Manufacturers of every kind of STEEL STAMPS, LETTERS, FIGURES, BRANDS, STENCIL PLATES, &c. Roebuck Letter Works, 26, Carver Lane, SHEFFIELD. Price 3s. 1 Od. post free. A Practical Handbook for Colliery Electricians. ELECTRIC CIRCUIT PROBLEMS in Mines and Factories. — BY — ELLIS H. CRAPPER, B.Eng., M.I.E.E., Head of the Department of Electrical Engineering at the University of Sheffield. The Colliery Guardian Co. Ltd., 30 & 31, Fumival-st., Holborn, London, E.C. THOMAS SUMMERSON & SONS LTD ALBERT WORKS, DARLINGTON. ALFRED ALLEN & SON MBKerH of LTD. • - J AIR PIPES I - I Sidings Contracted for Complete. W and COLLIERY TUBS In IRON, STEEL and WOOD. flower GornaJ, nr. Dudley. Telegrams—“ Allen. Lower Gobnal.” Telephone—106 Duplet. MANUFACTURERS of SWITCHES and CROSSINGS, Chairs, Spikes, Fish Plates, Iron and Steel Castings. THE SOUTH WALES COALFIELD. PART II. By Henry K. Jordan, F G.S. (Past Presi -.e it and first Gold Medallist of the South Wales Institute of Engineers). This Paper, which deals with the western part of the Coalfield, has just oeen published by the South W lies Institute <.f Engineers. It consists of 81 pages of printed matter with sections and diagrams. The large drawings ire issued separately and comprise :— 1. A Horizontal Section across the anthracite region of Llandybie and Pant-y ffynnon, a d via the Dulais Valley to the sea at Swansea. It is drawn to a scale of six 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 (Ej Ammanford. (F) Loughor Valley. (G) Gwendraeth District. (H) Gwendraeth District. FISH PLATES and BOLTS for various sections of Rail kept in Stock. (A) Neath Valley. (B) Swansea Valley. (C) Brynamman District. (D) Amman Valley. ____________________ 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 ab .ve are for sale, and may he obtained from ATLAS MINING OUTFIT CO., Willenhall. ------------------------------« Specialities: ►---------------- STEEL PROPS & JIG CONVEYORS. The Secretary, The South Wales Institute of Engineers, CARDIFF. Price £1 la., 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. Brand Our experts will show you how —to— REDUCE YOUR TIMBER BILL. Workmen won’t have the wood prop after they have used the Atlas Prop. You can have 100 to test free. Write for particulars. Photograph taken in a 3 ft. 6 in. seam of a Yorkshire Colliery. BAD ROOF, FULL OF SLIPS, ROLLS, &C. Telephone Bell: 829. “Viuco” Tel. Address : “Vinco, Glasgow.” Miners’ & Sinkers’ OILSKIN CLOTHING A Special Feature. At Keenest Prices. Everything in Oilskins for Town & Country Wear. M, BARR & Co. Ld. S3, Hutcheson St., GLASGOW. Contractors to islxe & Numerous Corporations,