334 THE COLLIERY GUARDIAN August 18, 1916. Purohasers> Guide to Advertisers’ Specialities—(continueti). Valve Re-seatinc Machines Bromell Patents Co. Ltd., 62, Bobertson-street, Glasgow Brooke, George, Lloyd’s Bank Chambers, Cardiff Valves (Safety)—Soupapes a sarett Auld, D., and Sons, Whitevale Foundry, Glasgc* Baldwin, James, and Co., Keighley, Yorks Daglish, Robert, and Co. Ld., St. Helens, Lancs. Haslam and Stretton Ld., Cardiff Hopkinson, J., and Co. Ld., Huddersfield Lancaster and Tonge Ld., Pendleton, Manebeste Boyles Ld., Irlam, Manchester Russell, John, and Co. Ld., Walsall Vices—-Staux Frost, Albert, and Co., Sheffield Hardy Patent Pick Co. Ld., Sheffield Theedam, E. C., Ld., Dudley Youngs, Byland-street Works, Birmingham Washers—Rondeiies Baker, John, and Son, Bilston, Staffs Bayliss, Jones & Bayliss Ld., Wolverhampton Ghorley Railway Wagon Co. Ld., Chorley, Lance. Copp6e Co. (Gt. Britain) Ld., Kingsway, London Fastnut Ld., 115, Newgate-street, London Simon-Carves Ld., 20, Mount-street, Manchester Theedam, E. C., Ld., Dudley Wright’s Forge and Engineering Co. Ld., Tip tea Waste Heat Boilers and Exhausters Bonecourt Waste Heat Boiler Co. Ld., Parlia- ment-mansions. S.W. Water (Electric Still for) Simplex Conduits Ld., Garrison-st., Birmingham Waterproof Garments—Foments impermfabies Barr, M., & Co. Ld., 83, Hutcheson-st., Glasgow Water Reducing Valves—Soupapes de reduction d eau Auld, D., and Sons, White vale Foundry, Glasgow Boyles Ld., Irlam, Manchester Water Filters—litres d’eau Lawrence Patent Water Softener, &c., Co. Ld., 7, Parliament Mansions, Victoria street, S.W. Pulsometer Engineering Co. Ld., Beading Boyles Ld., Irlam, Manchester Wright’s Forge and Engineering Co., Tipton Water Gauges (Self-Registering)—indicate-™ auto-enregistreurs d’eau Davis, John, and Son (Derby) Ld., Derby Water Softening and Purifying — teurs detartreurs Kennicott Water Softener Co., Wolverhampton Lawrence Patent Water Softener, &c., Co. Ld., 7, Parliament Mansions. Victoria-street, S.W. Mather and Platt Ld., Manchester Pulsometer Engineering Co. Ld., Reading Boyles Ld., Irlam, Manchester Wright’s Forge and Engineering Co. Ld., Tiptoi Water Tube Boilers—Cha’ dieres aquitubulaires Clarke, Chapman and Co. Ld., Gateshead-on-Tynt Richardson Westgarth and Co. Ld., Hartlepool WELL Tubes—Cuvelages d puit d’eau Russell, John, and Co. Ld., Alma Works. Walsall Scottish Tube Co.Ld., 34, Robertson-st., Glasgow Spencer, John, Ld., Tube Works, Wednesbury Stewarts and Lloyds Ld., Birmingham & Glasgow Weighing Machinery—Appareiis depesage Spencer. James, and Co. Ld., Hollinwood, Man- chester Thompson and Co., Wigan Welding Gas Distribution Ld , Queen’s-bldings, Nuneaton Matthews & Yates Ld., Swinton, nr. Manchester Wheelbarrows—Brouettes Allen, W. G., and Sons (Tipton) Ld., Tipton Bayliss, Jones & Bayliss Ld., Wolverhampton Hardy Patent Pick Co., Sheffield Harvey, G. A., & Co., Woolwich-rd., London, S.E Haslam and Stretton Ld., Cardiff Lewis, Wm., and Son, Bilston, Staffs Theedam, E.C., Ld., Dudley Wheels, Axles and Tyres—Essieux et bandages Bayliss, Jones & Bayliss Ld., Wolverhampton Chorley Railway Wagon Co. Ld., Chorley Du Croo & Brauns, 53, Victoria st., London,S.W Hadfields Ld., Hecla Works, Sheffield Hardy Patent Pick Co. Ld., Sheffield Lancashire & Yorkshire Wagon Co. Ld., Heywood Lancaster and Tonge Ld., Pendleton, Manchester Moy, Thomas, Ld., Rail way Works, Peterborough Thompson and Southwick Ld. Tam worth Wigan Wagon Co. Ld., Springs Branch, Wigan Wood, John, & Sons Ld., Brook Foundry, Wiga® Winches—Treuiis Clarke, Chapman and Co. Ld., Gateshead-on-Tyn* Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Young’s, Byland-street Works, Birmingham Winding Engine Indicators — indicateurs de profondeui pour les machines d’extraction Daglish, R., and Co., St. Helens, Lancashire Davis, John, and Son (Derby) Ld., Derby Wood, John, and Sons Ld., Wigan Wire—fu British Insulated and Helsby Cables Ld., Presort Cooke, Wm., and Co. Ld., Tinsley, Sheffield Elliot, George, & Co. Ld., Westminster, S.W. Glover, Wm. Jas., and Co., St. Helens, Lancs. Latch and Batchelor Ld., Hay Mills, Birmingham Wire Drawing Plates and Wortles—Fiiieres Hodgson, E. W., & Co., 24, Norfolk-row, Sheffield Wire Mesh and Gauze—Tissut mttaiiiques Ackroyd and Best Ld., Morley, near Leeds Barns, W., and Son, Holloway, London, N. Cousland, Alex., and Son, 3, Mitchell-st., Glasgow Davis, John, and Son (Derby) Ld., Derby Harvey, G. A.,& Co. (Lndn) Ld., Woolwich rd., S.E, Protector Lamp and Lighting Co. Ld., Eccles Staniar, John, & Co., Manchester Teale, W. E., and Co. Ld., Swinton, Lancs. Theedam, E. C., Ld., Dudley Wire Rope, Greaser— Appareils de graissage pour cdbles mAtalliquer Mining Engineering Co. Ld. Sheffield Theedam, E. C., Ld., Dudley Wire Rope Pulley Blocks—Paians pour cdbles en acier Hardy Patent Pick Co. Ld., Sheffield Tangyes Ld., Cornwall Works, Birmingham Youngs, Byland-street Works, Birmingham Wire Work—Treiius Barns, W., and Son, Globe Works, Holloway, N- Cousland, Alex., and Son, 3, Mitchell-st., Glasgow- Harvey, G. A., & Co. (Lndn) Ld., Woolwich-rd.,S.E. Stanier, John, and Co., Manchester The CONSUMMATE EVAPORATIVE CONDENSER for Steam Engines Saving in coai effected—60 tons per week. CENTRAL CONDENSING PLANT dealing with the exhaust steam from Winding Engines, Fan Engine, 600 K.W. Power Plant, and Screen Engine. :*i t ■ ■ • ’ •J k « t r < J. Coal Consumption reduced 30 I - Water Consumption reduced 50 z - Increased Power Output 30 3 Estimates and C.C. Booklet. EDW9 OEANE & BEAL Ltd., Engineers, 676, Old Kent Road, London, S.E. GERMAN MADE GOODS. We invite Buyers of goods, formerly procured from the Continent, not now obtainable, to favour us with particulars of their requirements. We have completed arrangements under which we can give early delivery, and would be glad to quote competitive prices. ROWLAND G. FOOT & CO., 11, Quean Victoria St., LONDON, E.C. THOMPSON & CO., --------------- WIGAN, ---------------- Iron Merchants, Metal and Mineral Agents. RAILS OF EVERY DESCRIPTION, WITH FITTINGS COMPLETE, FOR COLLIERIES, CON TK AC TORS, <&c. SOLE AGENTS IN THE DISTRICT FOR THE SALE OF Wigan Coal & Iron Co.’s Siemens Steel Billets, Blooms, Bars, Angles, Rails, &c. SPECIALITY: STEEL FOR WAGON COUPLINGS. K. H. FORGE, FOUNDRY & BASIC PIG IRON. Also Spiegeleisen, Ferro-Manganese & Silico Spiegel. Nohei’s c Gelignite, Polarite, Dynobel, Ajax Powder, Monobel No. 1, Cambrite, Victor Powder and ExniosBVGs\ Co. Ltd. (Al Monobel; also Detonators, Electric Detonator Fuses, and all Blasting Appliances. Haggle Brothers Ld. Wire & Hemp Ropes. POOLEY’S PATENT WEIGHING MACHINES. Telegraphic Address—“SPIEGEL, WIGAN.** MAPS of the BRITISH COALFIELDS. Showing the Position of Collieries with regard to Railway Communications, Canals and Shipping Ports. Scale 3 miles to an inch. (1) Scotland. (2) North of England (3) South Wales. (4) North Midlands. (5) South Midlands. In sheet ............................. 4s. each. Mounted on Cloth, Rollers and Varnished ... 6s. „ Mounted on Cloth, and in Titled Cloth Case .. 6s. „ Published jointly by THE COLLIERY GUARDIAN CO. LTD., and Messrs. W. & A. K. JOHNSTON, 30 & 31, Furnival Street, London, E.C. “THE SOUTH WALES COAL-FIELD.”—PART III. By HENRY K. JORDAN, F.G.S. (Past Presidentand First Gold Medallist of the South Wales Institute of Engineers). rpHIS Paper completes the author’s monograph on the South Wales Coal-Field, and is published by the South Wales Institute of Enginers. It comprises 89 pages of printed matter, with a number of Sections inter- leaved, and the following large drawings which are issued separately:— 1. A Horizontal Section across the Carmarthenshire Coal-Field, from Pontyberem to the Sea near Llanelly. The Section is five feet in length, mounted on linen, and geologically coloured. 2. A Map on the Six-inch Scale of the Anthracite Area of Lian- non, Mynydd-Sylen, and Fontyherem. It also illustrates the Outcrops of the Seams, Faults, &c. Three Sheets of Vertical Sections of the Deep and Important New Collieries that have been Sunk throughout the Coal- Field during the Past Six Years. The Sections are drawn to a scale of 100 ft. to 1 in., and the sheets are 40x27 in., mounted on linen. The first portion of the text deals with the anthracite area and with the Pennant seams to the north and west of Llanelly and Burry Port. The remaining portion discusses the new collieries in Glamorganshire and Monmouthshire, with much additional information which brings the subject up to date. A limited number of the above are for sale, price £ 2 2s. (postage extra), and may be obtained from THE SECRETARY, The South Wales Institute of Engineers, Cardiff. “The South Wales Coal-Field,” Part I., by Mr. H. K. Jordan, price £2 2s., dealing with the eastern half of the Coal-Field; and “The South- Wales Coal-Field.” Part II., by Mr. H. K. Jordan, price £1 Is., dealing with the western half of the Coal-Field, may be obtained from the Secretary. Demy Octavo, 176 pages, Cloth. Price 6s. 5d. 48 Original Photographs and Diagrams. (post free). Miners’ Nystagmus: Its Causes and Prevention, By T. LISTER LLEWELLYN, M.D., B.S. (Lond.), &c. WITH A PREFACE BY Professor J. S. HALDANE, F.R.S., M.D., AND A LEGAL APPENDIX BY DOUGLAS KNOCKER, M.B., Barrister-at-Law. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival-street, Holborn, London, E.C. EDWIN LEWIS » SONS. WOLVERHAMPTON. Original Makers of “Acme” & “Williams” Loose Flanged Joints for Work. TUBES OF ANY SIZE For Compressed Air, Water, or Steam. f Patent Iron Tube Works, Monmore Green, Britannia Tube Works, Ettingshall. Buyers will note that the joint illustrated is an improvement on the “Williams” joint, as it does without the internal ferrule. Telegrams—“ Lewis, Wolverhampton.’’ Telephone—Nos. 15 <& 180 Wolverhampton. LONDON ADDRESS—143, Cannon Street, E.C. LIVERPOOL WAREHOUSE-58, South John St.