March 7, 1913. _________________________________________________________________________________________ 498 THE COLLIERY GUARDIAN. CONTENTS. PAGE Editorial Article :— <£100,000 per annum .......................... 499 Articles :— The New Works of Messrs. Mather and Platt Limited ................................... 485 The Board of Education Examinations in Coal- mining .................................... 487 Explosion-Proof Motors ...................... 487 The Determination of Water in Coal............ 489 The Industrial Consumption of Coal............ 490 Notes from South Wales...................... 492 Labour and Wages ........................... 500 Extensions to the Coking Plant at the Cargo Fleet Iron Company's Works ..................... 501 Obituary.................................... 502 Pumpsjfor a South Wales Colliery .............. 503 Mining and Other Notes ...................... 503 Open Contracts ............................. 505 The Freight Market.......................... 506 Book Notices................................. 509 Abstracts of Patent Specifications Recently Accepted 509 New Patents Connected with the Coal and Iron Trades.................................... 512 Government Publications ..................... 512 Publicatipns Received ........................ 512 Progress :— Surface Combustion and By-product Gas—Exhaust Steam and Air Compression ........................ 533 Continental Mining Notes _____..................... 493 Coal, Iron and Engineering Companies ........ 504 Mi i O tJi g I f I I FOR minerals, WATER AND BRINE Boreholes for Prospecting in Underground Workings a Speciality. VIVIAN’S BORING COMPANY, PARKSIDE, CLEATOR MOOR. OVER 82 MILES OF BORINGS COMPLETED. Established 40 years. Largest experience. Telegrams—•‘Vivians, Parkside, Cleator Moor.” The Cambrian School of Mines, CEMETERY ROAD, FORTH, GLAM. Principal: WILLIAM THOMAS, M.Inst.M.E., M.R., Society of Arts. A SCHOOL of Unequalled Reputation. No Branches. No Agents. Students get their full money’s worth in Lessons, Specimen Answers and Personal Instruction. Influential Employers give preference to Students prepared at this School. Last Inspectorate Exams., 5 Students, passed and appointed. LESSONS BY POST for Mine Officials and Mining Students, &c. The most accurate way of estimating a Tutor’s success is by the per- centages of his passes. At the 1912 Cardiff Mine Managers’ Home Office Exams. 172 Students sat fr >m this School, 140 of them were successful. At Glasgow Mining Exam. 38 Cambrian Students sat, the 38 were successful. Write immediately for free Booklets, &c. Secretary: Cambrian Mining School, Glanffrwd, Porth, Glam. _____________________________________________________________ BORING tok MINERALS, &o. Solid Speoimens of the Strata obtained. Established 1888. Reference if required. Apply to --- Work J. S. DAVIDSON & SON, St. Bee., CUMBERLAND. YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, Monthly List of Recent Coal Literature .... 507 The Coal and Iron Trades .............. 494—497, 501 For Coal, Coke, Iron and other Ores. The Tin-plate Trade .......................... 501 The By-Products Trade ....................... 501 The London Coal Trade ....................... 502 Letters to the Editor :— YEADON, SON & CO., • . • Engineers, LEEDS. 35 Years’ Experience. World-wide Reputation. Review of “ Coal and the Prevention of Explosions and Fires in Mines"—Shaft Disasters—The Status of Mine Surveyors ........... Miscellanea :— Rescue Work in the United States ............. Fuel for Ships at the Panama Canal—Miners' Relief ................................... Institution of Mining and Metallurgy—Grimsby Coal Exports.............................. Midland Institute of Mining, Civil and Mechanical Engineers—Manchester Geological and Mining Society.................................. Barometric Warnings in the American Coalfields— Safety Lamp Glasses........................ South Staffordshire and Warwickshire Institute of Mining Engineers—Hull Coal Exports ........ Partnerships Dissolved—University of Birmingham Mining Department ....................... 491, 492 487 489 490 491 501 509 512 ADVERTISEMENTS. ______ ADVERTISEMENT DEPARTMENT. H. Greville Montgomery, 43, Essex-street, Strand, London, W.C., and 27, Brasenose-street, Manchester. Advertisements are inserted on the last white page and leader page at the following rates:— Situations Vacant and Wanted : One Penny per word (which must be prepaid), minimum 2s. 6d. Other Advertisements : One insertion Three insertions Six insertions A reduction of 25 per cent, is allowed on advertisements Of second-hand machinery. 10s. Od. per inch per insertion. 9s. 6d. „ „ 9s. Od. „ „ ________ CONTRACT ADVERTISEMENTS. Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS Single Column (3 inches wide): For 52 insertions 2s. 6d. . ,. „ , o nJ i per insertion for each „ 13 „ 3s. 6d. 5 inch in depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. Discounts or Commissions are paid to Auctioneers and Advertising Agents. (A Classified List appears on page 514.) __________________________________________________________ •#* The offices of this Journal are at 30 & 31, Furnival-street, Holborn, London, E.C. Cheques, &c., to be made payable to the Colliery Guardian Co. Limited. All remittances should be crossed & Qo? Postage stamps should not be remitted for amounts exceeding one shilling. Established 1866. Patents, Designs and Trade Marks. Harris and Mills, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. Telegraphic Address—" Privilege, London.” Tel. No. Holborn 2763. Circular of useful information and prices for British and Foreign Patents post free. Chart of 187 Mechanical Motions with description of each, post free 6d. VENTILATING FANS AND ENGINES. See Advertisement appearing on front Cover of alternate Weeks: THE WADDLE PATENT FAN AND ENGINEERINC CO. LTD. Llanmore Works Llanelly. AND ACCESSORIES. WAGONS ALWAYS IN STOCK. QUICK DESPATCH. TH0® W. WARD Ltd., Sheffield. Telegrams—"Forward.” Telephones—4321 (6 lines). PROFESSOR HALDANE’S New Portable Apparatus for Routine Firedamp Estimations; and Apparatus for Approximate Determination of Oxygen by Flame Test. Sole Makers- SIEBE, GORMAN & CO. LTD “NEPTUNE” WORKS, and 187, Westminster Bridge Road, London, S.E. ____________.... ALSO MANUFACTURERS OF Rescue Apparatus (Fleuss=Davis Patents), First-Aid Boxes, Reviving Apparatus, Oxygen Compression Pumps, Electric Lamps, &c., &c. Extract from the article on “COAL"—The New Edition (Eleventh) of the ENCYCLOPAEDIA BRITANNICA. “ Authorities.—The most important new publication on British coal is that of the Royal Commission on Coal Supplies appointed in 1901, whose final report was issued in 1905. A convenient digest of the evidence, classified according to subjects, was published by the Colliery Guardian newspaper in three quarto volumes in 1905-1907............." ________ Complete in Three Volumes, Bound in Cloth. Price £2 (nett). The Volumes may be had separately at the following Prices:— Vol. 1.15s 9d. Vol. II. 15s. Vol. III. 10s. COAL ECONOMY IN WORKING, PREPARATION FOR SALE, TRANSPORT AND USE, FOREIGN COMPETITION. ____________ Being a Digest of the Evidence given before the Royal Commission on Coal Supplies, 1901-5. EDITED BY ALLAN GREENWELL, F.G.S., Assoc. M. Inst. C.E. M.Inst.M.E. (Editor of the “ Colliery Guardian”). London: THE COLLIERY GUARDIAN CO. LTD. 30 & 31, Furnival Street, Holborn E.C. ______________________________________________ Thirteenth Edition, Revised. With Numerous Diagrams. Cloth. 6s.net. A TREATISE ON MINE-SURVEYING: For the use of Managers of Mines and Collieries, Students at the Royal School of Mines, &c. By BENNETT H. BROUGH, Ass »c.R.8.M , F.G.S. "To the student, and to the mining engineer alike, its value ia • inestimable. The illustrations are excellent.”—The Mining Journal. In Handsome Cloth. Fully Illustrated. 5s. net. THE EFFECTS OF ERRORS IN SURVEYING. By HENRY BRIGGS, M.Sc. ” Likely to be of the highest service to surveyors . . . it is a most able • treatise Engineer. __________________ Second Edition. In Crown 8vo. Handsome Cloth. Fully Illustrated. 7s 6d. net A HANDBOOK ON THEODOLITE SURVEYING & LEVELLING. By Professor JAMES PARK, F.G.S “ A book which should prove as useful to the professional surveyor as to the student.”—Nature. __________________ LONDON: CHARLES GRIFFIN 4 CO. LTD., Exeter St., Strand, TUBES & FITTINGS, ikon and steel. Tubes for Gas, Water, Steam, and Compressed Air. Electric Tramway Poles, Pit Props, High Pressure Steam Mains, Ac. JOHN SPENCER LTD., Globe Tube Works, Wednesbuby. 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. Txlsgrams—“ Osbsoks, Niwoastle-on-Tyxe.” _____________________________________ *#* For other Miscellaneous Advertisements see Last White' Page __________________________________________________________ Forthcoming Annual Meetings. _____ Institution of Mining and Metallurgy, March 13, 1913 International Geological Congress— August 21, 1913 (Toronto) North of England Institute of Mining and Mechanical Engineers _____________ ... August 2, 1913 South Wales Institute of Engineers... March 18, 1913 Institution of Mechanical Engineers— Annual Dinner _______ April 17,1913 Mining Institute of Scotland ... April 12, 1913 Manchester Geological and Mining Society— October 14, 1913 Institution of Mining Engineers— June 5 & 6, 1913 (London) Sept. 24, 25 & 26, 1913 (Manchester) Midland Institute of Mining, Civil and Mechanical Engineers __________________ July 20, 1913 Midland Counties Institution of Engineers, Sept. 1913 South Staffordshire and Warwickshire Institute of ... October 20, 1913 ... May 1 & 2, 1913 ...March 5—7, 1913 Mining Engineers ... Iron and Steel Institute Canadian Mining Institute _________________________________ Mlfcnj Guardian. LONDON, FRIDAY, MARCH 7, 1913. ________________ until December list 31, Mr.. has appointed inspector of mines to hold a formal Required, good Agents (colliery influence) to introduce orders for first class economical boiler scale removing fluid ; undoubted excellence by expert chemist; also asbestos boiler and p’pe coveringsand engine room requisites; liberal terms.—Address, SECRE- TARY, 23, Tanner-street, London, 8.E. The Home Office gives notice that a first list' of permitted explosives which have passed the new test (Home Office Memorandum of May 1912) will be issued at or about the end of the- present month. The schedule containing the list of explosives which passed the old test expires on March 31; but, in order to give time for further revision of the list and for the intro- duction of the new explosives, the Home Secre- tary has decided to continue the old concurrently with the new 1913. The Secretary of State W. Walker, H.M. divisional for the Scotland division, investigation, under section 83 of the Coal Mines Act, 1911, of the causes and circumstances o£ the Rufford Colliery accident. A conference between the Northumberland" Miners’ Wages board and the coalowners at Newcastle, on the 28th ult., agreed to an advance of 3J per cent., making the wages 42J per cent, above the basis of 1879 in the case of under- ground workers and banksmen, and 34 per cent, in the case of other surface labourers. A meeting of the Midland Institute will be held at Barnsley on Wednesday. Mr. H. C. Jenkins will read a paper on internal pressures in pneumatophores. A special meeting of the South Staffordshire Institute takes place at I Birmingham on Monday, when Mr. H. Bradshaw Tpnginewright wanted at a Quarry in____________________________________________________ FJ south of England; state age, wage, references (not testimonials), ! ’ and how long in present or last charge -Box 5154, Colliery Guardian reads a paper OD COllieFV development ailCL Office, 30 & 31, Furnival-street, Holborn, London, E.C. r F J r