February 6. 1914. THE COLLIERY GUARDIAN. 329 Telegrams— Vertical, Leeds.’ LEECH. GOODALL & CO., Telephone No.— 1982 Leeds. MAKERS AND ERECTORS OF SCREENING PLANTS, PICKING BELTS, PITHEAD GEARS, HEAPSTEADS, STEEL STRUCTURAL WORK, BUNKERS, SCREENS, ROOFS, CONVEYING PLANTS, GAS RETORT INSTALLATIONS. Ill i:W; /a> ■ ■ 'Ik “ • 1 ■ 'H. Wt '-ft. *■ SOLE MAKERS OF THE SHAW-HEMSWORTH OVERWINDER. ’ Write for Descriptive Pamphlet. Representatives H. L. CHESTON, Clarendon House, Boston Spa, Yorks. Telephone No.—12 Boston Spa. W. OGDEN DAYSON, 1, Mount St., Swansea. 208 pages f’cap folio. Over a hundred illustrations and 60 plates (coloured). PRICE IQs. IQs. 7d. post free). RECORD OF FIRST SERIES OF THE BRITISH COAL DUST EXPERIMENTS CONDUCTED BY THE COMMITTEE APPOINTED BY THE MINING ASSOCIATION OF GREAT BRITAIN. A Record of the Experiments carried out during 1308 and 1909 at the Aliofts Experiments Station. PUBLISHED BY — THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C. GEORGE BURNSIDE, Burnside’s Safety Boring Apparatus. Used most successfully in tapping old Mine Workings. -Appty /or Catalogue. Boring Tool Works, Shiney Row, Fencehouses, Also Eye Guards for Pit Ponies. CO. DURHAM. “ The Shipping World.” Weekly. Illustrated. Price 6d. Annual Subscription (Post Free) / United Kingdom, 21s. Foreign Countries, 28s. PRINCIPAL FEATURES— CURRENT EVENTS, by the Editor. SHIPPING in PARLIAMENT, by Special Representative SHIPPING and the LAW. SHIP SALES and CONTRACTS. ILLUSTRATED ARTICLES. TECHNICAL ARTICLES. ARTICLES on TRADE, COMMERCE, SUBVENTIONS and all SHIPPING QUESTIONS. NEPTUNE’S MAIL, with interesting News & Comments* NAVAL and ENGINEERING NOTES. REPORTS from the SHIPPING CENTRES. REPORTS on FREIGHTS and MARINE INSURANCE. TRADE and FINANCE. LAUNCHES and TRIAL TRIPS. CORRESPONDENCE. PRICES CURRENT. REVIEWS of TECHNICAL BOOKS. The Largest Foreign Circulation of its Class. The Largest Home Circulation of its Glass Offices of the "Shipping World Ltd.” Effingham House, Arundel Street, Strand, London, W.C. Telegrams and Cables—“ Shipping World, London.” Telephone—2381 Gerrard. COLLIERY OWNERS MANUFACTURING BRICKS SHOULD 8UBSORIB1 TO THE BRITISH CLAY-WORKER The Organ of the Brick and Tile Trades. Puttuhed Monthly. Subscription: 8s. per annum, post free. Send ior Specimen Copy to the Publisher, THE BRITISH CLAY-WORKER, 43, ESSEX-ST., LONDON, W.C. D. Llewellin Evans rjeXee1®50 PROPRIETOR OF'THE Cardiff Brattice Cloth Company, 120, BUTE ST. CARDIFF. AGENT FOR Nobel's Explosives. THE SOUTH WALES COALFIELD. PART II. By Henry K. Jordan, F.G.8. (Past President 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 Wales Institute of Engineers. It consists of 31 pages of printed matter with Sections and Diagrams. The large drawing? ire 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 six inches to one mile, is 8 ft. in length, mounter on linen, and geologically coloured. 2. Comparative Sections of the Lower Measures in the following areas - (A) Neath Valley. (E) 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, showin# the outcrops of the coal seams. A limited number of the above are for sale, and may be obtained from 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. TyrAPS of tHe British Coalfields. 1. Scotland. 2. North of England. 3. South Wales. 4. North lidlands. 5. South Midlands. Sheet, 4s. each: Mounted on Cloth on tollers, or in Case. 6s.each.—THE COLLIERY GUARDIAN CO. LTD. >0 & 31 Furnival-street, Holborn. London, E.C. Write for Illus- trated Price List. Specialities: LATHES & SAW BENCHES. First class at competitive prices. ROWLAND C. FOOT & Co. 11, QueenViotoria St., London, E.C to H.M. The King, — By Appoint- ment FIRE ENGINE MAKERS. MERRYWEATHERS’ Largest Makers of High-class HOSE PIPES in the World. Dub-Sub Canvas for Fire Duty. Admiralty Leather for Flushing. Armoured Rubber for Mines. Write for “ Hints on Hose,” and quotations. MERRYWEATHER & SONS, Fire Engine and Hose Works, GREENWICH, LONDON, S.E.