482 THE COLLIERY GUARDIAN. September 8, 1916. ___________________________ _________ ___________ __ John Russell & Co. Ltd., Alma Tube Works, WALSALL. For Gas, Steam, Water, &c. R WELULESS STEEL TUBES for ENGINEERS, &C. ________________________________________________ SMALLMAN patent HAULAGE CLIPS. ^ew Model: Nine Sizes. ■' rf Li * '• >£. ’’Sr .j) 'S' '. A fe Patented 1902, 1906 and 1910. Automritio DetacHmenv. The 1911 lever has large lateral stops and a wedge-shaped head. Drop-forged shells (two sizes), levers (four sizes), catches and couplings. Illustrated Catalogue. Clips can be had without catches Patentee and Sole Manufacturer:- JAMES W. SMALLMAN, Nuneaton. England. EXTENSIONS TO WORKS In Wood, Iron, Asbestos or other Materials. WORKMEN’S HOSPITALS AND STORE BUILDINGS COTTAGES. ADDITIONS. FOR ALL PURPOSES. Large Stocks : ASBESTOS SHEETS and TILES. PORTABLE BUILDING CO., 46a, Market Street, MANCHESTER. _________________________________ Rrst-ciass Medals— Saaris., 1885; London, 1862. HUGE “he™ PRESSURES' . J.B. , TREASURE ’ £rC9, 1 VflUXHfllLRP, LIVERPOOL GAUGE GLASS WA5HLRS LUBRICflTOR5nc Lf5T5 OH PPPl/CPr/at. M55ES _________________________________________________ “THE SOUTH WALES COAL-FIELD.”—PART III. By HENRY K. JORDAN. F.G.S. (Past President and First Gold Medallist of the South Wales Institute of Eneinee’s . rpHIS Paper completes the author’s monograph on the South Wales ■*- Coal-Field, and is published hy 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 Llan- non, Mynydd-Sylen, and Pontyberem. 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 Real#* of 100 ft. to 1 in., and the sheers 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., b.v Mr. H. K Jordan, price £2 2s., dealing with ’he eastern ha'f of the Coal Field; and “ The S uth 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. _____________________________ MARKS. STAMPS. BRANDING IRONS. Press Pebe/s & 77m e C/tecks. Sefs of Peffer & figure Punches, Pm boss mg Presses. PressffamePfufes, Pfemu/s, Moi/fcfers’I.efferst figures. pies. E.PRYOR & SON, Seals. IIZ-IIB WOCKINSHAM sr SHEFFIELD. “SHELTON” IRON. “SHELTON” STEEL “GRANVILLE” PIG IRON (=<) STEEL PIT GIRDERS & COLLIERY RAILS a Speciality; also High-class BAR IRON for Gold Medals— Paris, 1878 ; Melbourne, 1881. &c. IRON & STEEL BARS, ANGLES, TEES, CHANNELS, GIRDERS, PLATES & SHEETS, STEEL BILLETS, BLOOMS & SLABS. Enquiries to— _________.—— THE SHELTON IRON, STEEL & COAL CO. LTD., Or 122, Cannon Street, London, E.C. Address t‘‘Shelton. Stnko-An-Trorit ” TaI. No. 11 and 253. I Telegraphic Address : ** Sheltonian, London.” Tel. No, 886 Bari. PITWOOD, COGWOOD, SLEEPERS, Round English Timber, or cut to any size, all kinds. Also Pitch Pine and Oregon Logs, and Half Logs, second-band (nearly as good as new), 4 ft. to 30 ft. long. Short from 3s. per cube, long from 3s. 6d. per cube. Also other new and second-hand Timber, Boards, &c., at Bristol, Swansea, Porthcawl, Hull, and Leicester. Prices, carriage paid, on application for any kind timber or manufactured woodwork. JENNINGS &. CO. Ud . Timber Merchants, General Woodworkers, 825, Pennywell-rd., Bristol, & other branches U.K. D. Llewellin Evans 120, BUTE PROPRlE I'OR OF THE Cardiff Brattice Cloth Company, ______________________________________ 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. __________________ ______________________ _______________________________ ST., CARDIFF. AGENT FOR Nobers Explosives M. COULSON & CO. LTD., SPENNYMOOR, Makers of Coal Washers, Screening Plant, . . Conveying, Elevating, and Crushing Machinery, Tipplers, Tub Controllers, . . Storage and Drainage Bunkers. . . ________________ Replace parts and Repairs given Special Attention. GERMAN MADE GOODS. We invite Buyero 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., SNREAEc?SR*snd 11, Queen Victoria St., LONDON, E.C. ___________________________________________ Demy Octavo, 176 pages, Cloth. 45 Original Photographs and Diagrams. Price 6s. 5d. (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. CONTENTS. Description of tne Eye—Anatomy : Physiology—(1) General Description of the Disease—(2) Frequency and Resulting Incapacity—(3) Historical Account of the Disease and Theories of its Causation—(4), (5) and (6) Conditions Determining the Occurrence of Nystagmus—(7) Diagnosis and Prognosis—(8) 1 he Etiology of Nystagmus— (9) Pre- ventive Measures and Treatment—(10) Summary and Conclusions — With Appendices: Legal Information — Glossary—References and Bibliography—The Effects of Deficiency of Oxygen on the Light of a Safety Lamp— Test of Ceag Lamp. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival-street, Holborn, London, E.C ____________________________________________________ ft Estimates and Full Particulars on Application