462 THE COLLIERY GUARDIAN. March 10, 1916. CONTENTS. Editorial Articles :— page Miners* Wages in America................... 463 Estate Management in Mining Areas.......... 463 Articles :— The Campine Coal Field .................... 453 Estate Management and Mineral Valuations.... 454 Mining Industry and Military Service ...... 456 Mechanical Stokers in Steel Works.......... 457 Fuel Economy.............................. 457 Book Notices............................... 458 Obituary................................... 459 The German and Austrian Coal and Iron Trades ... 460 Trade and the War.......................... 461 Some Recent Decisions under the Workmen’s Com- pensation Act ........................... 461 Mining and Other Notes..................... 468 Labour and Wages........................... 470 Exports of Coal, Coke, and Manufactured Fuel from the United Kingdom .................. 472 The Freight Market ........................ 472 Open Contracts .......................... 474 Abstracts of Patent Specifications Recently Accepted............................... 474 New Patents Connected with the Coal and Iron Trades................................... 476 Catalogues and Price Lists Received........ 476 Government Publications ................... 476 Publications Received ................... 476 Law Intelligence ............................ 458 Current Science and Technology................. 460 ’Indian and Colonial Notes .................... 459 Notes from the Coal Fields .................... 469 Coal, Iron and Engineering Companies .......... 471 The Coal and Iron Trades....................464—468 The London Coal Trade ..................... 468 The Tin-plate Trade ....................... 468 The By-Products Trade ..................... 468 Letters to the Editors :— Bar v. Disc Coal-cutters .................. 458 Miscellanea :— Bunker Coal Dispute........................ 454 Manchester Geological and Mining Society.... 456 United States and Foreign Coal Markets..... 457 Coal Production of Spain—Partnerships Dissolved —Exports and Imports of Mining Machinery.. 459 Colliery Managers’ Examination—A Coal Contract and Strike Clauses....................... 461 Shipments of Bunker Coals—Hull Coal Imports ... 464 Imports of Pit Pr >ps in February ......... 471 Belgian Output of Coal, Coke and Briquettes in 1915 474 Grimsby Coal Exports—Hull Coal Exports—Coal and Coke Smoke .......................... 476 ADVERTISEMENTS. Offices for ADVERTISEMENTS and PUBLICATION- 30 & 31, Furnival Street, Holborn, London, E.C. Telegraphic Address—“Colliery Guardian, Fleet, London.” Telephone—1354 Holborn. MISCELLANEOUS ADVERTISEMENTS : Advertisements are inserted on the last white page or leader page at the following rates :— One insertion ... 10s. 6d. per inch per insertion. Three insertions 9s. 6d. ,, ,, Six insertions ... 9s. OcL ,, ,, A reduction of 25 per cent, is allowed on advertisements of second-hand machinery. Situations Vacant and Wanted : One Penny per word, minimum 2s. 6d. (which must be prepaid). Can be received up to TEN o’clock on Friday morning. (A Classified List appears on page 478). Established 1866. PATENTS, DESIGNS, and TRADE MARKS. TTARRIS AND MILLS, -LJL Chartered Patent Agents, 34 and 35, HIGH HOLBORN. LONDON, W.O. Telegraphic Address—“ Privilege, London.” Tel. No.—Holborn 2763. “THE SOUTH WALES COAL-FIELD.”—PART III. By HENRY K. JORDAN F.G.S (Past President aid First Gold Medallist of the South W^les Institute of Engineers'. THIS 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. I he Section is fiv feet in length mount jd <>n men. and geo! >gic i.l'y co’oun d. 2. A Map on the Six-inch Scale of the Anthracite Area of Llan- non, Mynydd-Sylen, and Pontyberem. It also illustrates the Outer ps ->f the S«am% F ults. &c. 3. 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 ections are drawn to a scale of 100 ft. to lin., and the sheers are 40x27 m. 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 sa^, 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., de d'ng with'Iv1 eastern haT of rhe Coal-Field; and “The S uth Wales Coal-Field ” Part II., by Mr. H. K. Jordan, price dEl Is , dealing with the western half of the Coal-Field, maybe obtained from the Secretary. Expert Advice on all questions arising out of income tax, “ EXCESS” PROFITS TAX, RELIEF to “CONTROLLED” ESTABLISHMENTS, LOCAL RATES, etc. THE MANUrACTURBBS’ ASSOCIATION LTD., 110, Cannon-street, London, E.C. ASSOCIATION OF PRIVATE OWNERS OF RAILWAY ROLLING STOCK. Formed in 1891 for the Protection of the Rights and Interests of Private Owners. Applications for particulars and terms of membership may be sent to the SECRETARY, Clarence Chambers, Gloucester. The Oldest Diamond Drill Company. Established 187%. boring FOE j^INERALS. SPEED AND CERTAINTY. CYLINDRICAL “ CORES.” THE AQUEOUS WORKS AKD DIAMOND ROCK-BORING Co. LTD. Guildford St., York Road, Lambeth, London, S.E. Besides numerous other Important Contracts, completed (in 1897) the Deepest Boring in the United Kingdom to 3,500 ft. Great Experience in Boring for WATER. The Cambrian School of Mines, CEMETERY ROAD, FORTH, GLAM. Principal : WILLIAM THOMAS, M.Inst M.E., F.G.S., M.R., Society of Arts. Tutors—Staff of Highly Qualified Instructors in all subjects. an University Training at Your Own Home. Instruction and Lessons by Post for Mine Managers, Surveyors, Electricians, and Mine Inspectors. Since the coming into force of the New Mines Act 487 Students of this School have been qualified as First and Second-class Mine Managers. 58 students have passed the Home Office Surveyors’ Exam.; 30 students are now Mines Inspectors. Candidates for the aoove write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. G.) CAMBRIAN MINING SCHOOL, P-ORTH, Clam. Briquette Machinery Ltd., Charmouth Street, LEEDS. Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. The U.M.S. LESSONS BY POST. The best Mining Education. Unapproachable Successes. 5 2 H.M. Inspectors are U.M.S. Men. — Syllabus free. — THE UNIVERSAL MINING SCHOOL (^0 5 0, Connaught Road, Cardiff. STEEL Rails Roof Bars Pit Props Arches For COLLIERIES V V and WORKS. THfls W. WARD Ltd., Albion Works, SHEFFIELD. TRY US. -------- YEADONS’ LATEST PATENTED BRIQUETTE 5 For Coal, Coke, Iron and other Ores. YEADON, SON & CO., Engineers, LEEDS, Have a World-wide Reputation, and 38 Years’ Experience. They have supplied MORE BRIQUETTE PLANTS than any other firm in this country. Vfanager wanted f ’r large Lancashire V JI colliery to act under general manager; age 27 to 30; must he energetic, systematic and experienced in dealing with large outputs ; good opportunity for suitable mui.—Applications, stating age, experience, a’d salary required, together with copies of testimonials, to Box 6349 Collierv Guardian Office, 30 & 31, Furniv&l-street, Holborn, London, E.U. A dvertiser, 32, desires Situation as J_JL COLLIERY MANAGER or UNDER-MAN x GER ; experienced, accustomed to thin and thick seams, gas, coal cutters, extensive banla