556 THE COLLIERY GUARDIAN September 22, 1916. CONTESTS. Editorial Articles .— page Regulation of Coal Supplies ...’............ 557 Shirkers in the Pits ........................ 557 Articles :— Form of Structure of the Coal Fields of Scotland... 545 Mechanical Coal Stage at Dairycoates ....... 546 Stone Dusting in Steam Coal Collieries...... 548 Mining Labour Statistics.................... 550 Welsh Miners’Wages and Absenteeism ......... 553 Miners’Federation and Coal Supplies ........ 558 Government and Coal Control ................ 558 Trade and the War .......................... 562 Mining Industry and Military Service ....... 562 Coal Mining in New Zealand in 1915 ......... 562 The German and Austrian Coal and Iron Trades ... 563 The State and Coal Supplies Control ........ 564 Obituary ................................... 565 Labour and Wages............................ 565 Open Contracts ........................... 566 The Freight Market ....................... 568 Abstracts of Patent Specifications Recently Accepted.................................. 568 New Patents Connected with the Coal and Iron Trades..................................... 570 Government Publications .................. 570 Publications Received ...................... 570 Current Science and Technology.................. 563 Notes from the Coal Fields ..................... 563 Coal, Iron and Engineering Companies ........... 566 The Coal and Iron Trades ....................558—562 The Tin-plate Trade ........................ 560 The By-Products Trade ...................... 561 The London Coal Trade .................... 562 Reports of Meetings :— Institution of Mining Engineers ............ 551 W igan and District Mining and Technical College 553 British Association for the Adv ancement of Science 554 Miscellanea :— Pig Iron Prices............................. 547 Canadian Pig Iron........................... 550 British Coal Output ........................ 554 Engineering Alter the War .................. 558 Toe Woodhorn Pit Disaster .................. 561 Hull Coal Exports ......................... 566 Immingham Coal Exports—Grimsby Coal Exports —Fieach Fuel Imports....................... 570 ADVERTISEMENTS. Offices for AOVEEmSEfflBENTS awd PUBLUOATfiON— 30 & 31, FurmvaK Street, Holborn, London, E.O. Telegraphic Address—“Colliery Guardian, Fleet, London.” Telephone—1354 Holborn CONTRACT ADVERTISEMENTS : Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS Single Column (3 inches wide) : For 52 insertions 2s. 6d. } per inBertion for each „ 13 „ 3s. 6d. J ln<* ln dePth- Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. (A Classified List appears on page 574.) Established 1866. PATENTS, DESIGNS, and TRADE MARKS. TT ARRIS AND MILLS, Chartered Patent Agents, 34 »nd 35, HIGH HOLBORN, LONDON, W.C. Telegraphic Address—“ Privilege, London.” Tel. No.—Holborn 2763. "IVTechanical Engineer, experienced and _Lt_A. capable, required for Colliery; salary £250 £300, free house — Ap 1 ,6519, Colliery Guardian Office. 30 & 31, Furnivai-street, Holborn, London, E.C. XTTanted . a Thoroughly Competent V V Working ELECTRICIAN to take charge of a Three-phase Plant Apply, stating ge, experience and wag s required, to MANAGBR, West Cantock Collieries, Hednesford. Wanted First Class Certificated Collier; M AN AGER for a large Colliery in S mth Yorkshire ; experience in longwall, heavy pumping and coal cutting es ential.—Apply 8‘aving age, salary, and copie of tw » r cent testimonials to—Box 6533, Goike j Guardian < ffice. 30 & 31, Furniva street Holborn, Loudon, E C. A/T echanical Engineer, practical alLround Lvl experience,des'res responsible post as COLLIERY ENGINEER or otherwise —Box 6538, Colliery Guardian Office, 30 & 31, Furnival street, Holborn, London, E.C. IRON ORE ROYALTY AND LIMESTONE QUARRY, To Let, the Yeathouse Iron Ore Royalty and Limestone Qnarrv, at Frizinpt n, near Whitehaven. Par- ticulars supplied by Messrs. MAIN & SONS, Whitehaven Cumberland Colliery Wanted immediately (South Wales preferred); full particulars required, principals only. Replies in strict coufidance to Box 6535. C.lliery Guardian Office, 30 & 31 Furnival-etreet, Holborn, London, E C. For Sale, Standing, 5 miles from Lambourne Station, Berks. 16,500 or thereby B^EOH POLES, 11 to 18 feet long, about 5 in. thick.—Apply to P. BURGESS, Craven Estates Office, Birney, Coventry. PITWOOD. For Sale, Large Quantity Fir Timber 3 in. to 1) in. qr. girth ; woiil he delivered rail to collieries in th- North of hng’and —appl , Box 6529, Colliery Guardian Office, 30 & 31, Furnival-street Holborn, London, E.u. 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, Glonass ter. The Oldest Diamond Drill Company. Established 1872. PORING for J^INERALS. SPEED AND CERTAINTY. CYLINDRICAL “ CORES.” HE AQUEOUS WORKS and DIAMOND ROOK-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.B., F.G.S., M.R., Society of Arts. Tutors—Staff of Highly Qualified Instructors in all subjects. 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 525 Students of this School have been qualified as First and Second-class Mine Managers. 74 students have passed the Home Office Surveyors’ Exam.; 30 students are now Mines Inspectors. 3,251 students passed Fireman’s Exams. Candidates for the ai'ove write witnout delay for free Syllabus, and book of Previous Examination Qu'estiona. (Dept. C.) CAMBRIAN MINING SCHOOL, PORTH, Glam. Briquette Machinery Ltd., Charmouth Stroat, 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. 52 H.M. Inspectors are U.M.S. Men. — Syllabus free. — THE UNIVERSAL MINING SCHOOL (W) 50, Connaught Road, Cardiff. YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, 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. STEEL Rails Roof Bars Pit Props Arches For COLLIERIES and WORKS. THQS W. WARD Ltd., Albion Works, SHEFFIELD. TRY US. -------- MARITIME COALING ADMINISTRATION Coal Shipping Equipment. Parliament Mansions, Victoria Street, Westminster, England. RAILS. RAILS. ALL SECTIONS AND ACCESSORIES. Also quantity F.B. suitable for bearers. Sleepers. Timbers. Switches and Crossings. Buffer Stops. Locomotives. Cranes. Wagons. ARMYTAGE & JONES Ltd., Sheaf Street, Sheffield. Tenders invited for One Leather Fan Belt (copper sewn), treble edges, and double centre, not run six months, 104 ft. by 42 in. wide ; equal to new Apply, 20 EXCHANGE, CARDIFF. METROPOLITAN BOROUGH OF ST. M^RYLEBONE SUPPLY OF COAL AND COK I OR PUBLIC BATHS, MUNICIPAL OFFICES, &c. The Council of the Metrop >litan Borough of St. Marvlebone invite TEND: RS for the SUPPLY nmouthshire large, 20 0 tuns Staff., I)erb\ or Nottingham Best Brights or Large Nuts; also 500 t ns Forest Rubbles and Large, 191a delivery. Cash against invoice.—DIBBCT COALS LIMITED, Yeovil. Tel. add., ” Willie, Yeovil.” Geo. N. Dixon <& Co., 43, Caafle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. Auctioneers & Valuers to the Engineering Trades. KNIGHT & PARTNERS Ltd. 27, Old Queen Street, Westminster, S.W. CORRESPONDENCE INVITED. SALES conducted in all parts of the Kingdom. COAL, IRON & STEEL SHARES. WILLIAM CHAPMAN & COMPANY, Stockbrokers. (established since 1851). Cavendish Buildings, Wheeler Gate, NOTTINGHAM. Special Business in Coal, Iron and. Steel Shares. Lists, reports, &c., will be forwarded regularly on application. i J “At the head of the industry.” U1J (Editor Motor Traction.) BARIMAR Scientific Welding Service —the Service with the famous Money- back Guarantee — saves substantial sums and practically eliminates necessity for new parts. A trial will convince you. Send any smashed engine-part or fitting carriage paid. Please mark your written advice “ G. 83 ” for prompt attention. BARIMAR Limited, Welding and Machine Shops, 10, POLAND STREET, LONDON, W. Telephone— Tele?ranis - 8173 Gerrard. “ Bariquamar, Reg London.” In any case of breakdown of plant where the, part cannot be sent to London, a wire will ensure instant despatch of a Barimar Mobile Section equipped to conplete repair on the spot. Beiliss & Morcim’s 180 kw. Generating SET for Sale, cylinders 12in and 20 in. stroke 10 in, Siemens Dvnamo shunt and compound wound 480 to 550 volts.—HELLBWBIiL St CO., Royal Exchange, Manchester. Browett & Lindhy 300 kw. Generating SET f r Sale, cylinders 16J in. »nd 31 in , stroke 17 in., dynamo compound wound 480 to 550 volts.—HELLEWELL fe OO., Royal ■xcharge, Man’ hester. COURSES OF INSTRUCTION IN COALMINING AND SURVEYING, Specially prepared to qualify Students for the Examinations for CERTIFICATES OF COMPETENCY As Colliery Managers, Under-managers and Surveyors. Special Course for Colliery Firemen. Write ‘‘or booklet (Po^t Free) to the Secretary, Colliery Manager’s Aspirants’ Correspondence School LEIGH, LINCS. J. W. BAIRD AND COMPANY, PITWOOD IMPORTERS, WEST HARTLEPOOL, YEARLY CONTRACTS ENTERED INTO WITH COLLIERIES. OSBECK & COMPANY LIMITED, PIT-TIMBER MERCHANTS, NEWCASTLE-ON-TYNE. SUPPLY ALL KINDS OF COLLIERY TIMBER. Telegkams—“ Osbecks, Newcastle-on-Tynk.” ***For other Miscellaneous Advertisements see Last White Page. AND Journal of the Coal and Iron Trades. Joint Editors— J. V. ELSDEN, D.Sc. (Lond.), F.G.S. HUBERT GREENWELL, F.S.S., Assoc.M.I.M.E. (At pretent on Active Service). LONDON, FRIDAY, SEPTEMBER 22, <916. London prices remain unaltered. Merchants and large institutions have laid in a fairly good stock for the winter, but the shortage of supplies is still keenly felt. Depots are busy and householders are eagerly increasing stocks in their cellars. The bulk of the coal, both inland and seaborne, coming to London are contract quantities. Very little free coal is available. The prompt market on the Tyne and Wear is more active, coincident with an improved supply of