1174 THE COLLIERY GUARDIAN. December 4, 1914. ________________________________________________________________________________________________ CONTENTS. Editorial Articles page Work and Enlistment ........................ 1175 Commercial Ammonium Sulphate ............. 1175 Articles : — Coal Mining in Alberts........................ 1169 Investigations into a System of Electric Bell Signalling for Use in Collieries............... 1170 Power Plant Testing......................... 1171 The German and Austrian Coal and Iron Trades ... 1173 The Colliers* March, 1914...................... 1176 Mining and Other Notes...................... 1176 The Case for the Electric Lamp ............... 1181 Cables ..................................... 1181 A Firedamp Indicator ....................... 1182 The Supply of Pit wood....................... 1183 Industrial Locomotives....................... 1183 Obituary................................... 1185 Trade and the War........................ 1185 Labour and Wages.........................__ 1186 Coastwise Shipments During October .......... 1186 Book Notices..................................... 1187 ............. The Freight Market ......................... 1187 Open Contracts.............................. 1187 Government Publications .................... 1188 Publications Received ....................... 1188 Catalogues and Price Lists Received............ 1188 Abstracts of Patent Specifications Recently Accepted.................................. 1188 New Patents Connected with the Coal and Iron Trades ..................................___ 1190 Notes from the Coalfields .................... 1184 Law Intelligence ............................. 1186 Coal, Iron and Engineering Companies ________ 1187 The Coal and Iron Trades ............... 1176—1180 The London Coal Trade ...................... 1179 The Tin-plate Trade ___........................ 1179 The By-Products Trade ...................... 1180 Report of Meeting :— Midland Institute of Mining, Civil and Mechanical Engineers ................................ 1167 Miscellanea :— Grimsby Coal Exports—Hull Coal Exports...... 1169 Immingham Coal Exports .................... 1171 Northumberland Miners and Out-oi-Work Pay... 1179 Miners and the Prince of Wales*s Fund ........ 1185 Manchester Geological and Mining Society — Partnerships Dissolved...................... 1187 Non-Cumulative Winding Engine Signals ...... 1190 ADVERTISEMENTS. ____ Offices for ADVERTISEMENTS and PUBLICATION- 30 & 31, Furnival Street, Holborn, London, E.C. Telegraphic Address—“Colliery Guardian, Fleet, London.” Telephone—1354 Holborn. CONTRACT ADVERTISEMENTS : Prices for SPECIAL POSITIONS on application. The Oldest Diamond Drill Company. Established 1872. BORING for J^JINERALS. SPEED AND CERTAINTY. CYLINDRICAL “ CORES.” THE AQUEOUS WORKS AND DIAMOND ROCK-BORING Co. LTD. Guildford St., York Road, Lambeth, London, 8.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. PORTH, GLAM. An University Training at Your Own Home. Lessons and Instruction by Post for candidates for FIRST and SECOND Class Mine Managers’ and Mine Surveyors’ Home Office Examinations; Surveying and Electrical Engineering for London City Guild’s Examina- tions; also A.M.E.E. Examinations and Government Inspectors’ Exams. Candidates for the above write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. C.) CAMBRIAN MINING SCHOOL, PORTH. Clam. Briquette Machinery Ltd., 161, Water Lane, LEEDS. Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. _________________ “CROWN” BOILER COVERINGS encased in STEEL SHEETING-. Simply unimpairable by heat. 96°/o SAYING in Condensation. Greatest Economy & Service. Nearly 5,000 Users. SUTCLIFFE BROS. nr. Manchester.6 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. Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. D. Llewellin Evans 120, BUTE ST. CARDIFF. PROPRIETOR OF THE Cardiff Brattice Cloth Company, AGENT FOR ZTobel’s Explosives. _____________________________________________ CHARLES GRIFFIN & CO. LTD., PUBLISHERS. Eighth Edition, Revised. Complete in itself. Pp. i-xvi + 324. 5s. HYDRAULICS. Being- Vol. IV of “ A Text-Book of Applied Mechanics.” By Prof. A. JAMIESON, M.Inst.C.E., &c. “ A student’s companion . . . recognised by both teachers and tutors as standard works, a testimony they fully deserve.”—Practical Enginter. In Medium 8vo. Cloth. Pp. i.-xvi. + 473. With 345 Illustrations. 18s. net. MODERN PUMPING AND HYDRAULIC MACHINERY. By EDWARD BUTLER, M.I.Mech.E. “ This work is a veritable encyclopaedia . . . with excellent and abun- dant diagrams.”—Times Engineering Supplement. LONDON: CHARLES GRIFFIN 4 CO. LTD., Exeter St., Strand. TUBES AND FITTINGS, iron and steel Tubes for Gas, Water, Steam, and Compressed Air. Electric Tramway Poles, Pit Props, High Pressure Steam Mains, &c. JOHN SPENCER LTD., Globe Tube Works, Wednesbury J. W. BAIRD AND COMPANY, PITWOOD IMPORTERS, WEST HARTLEPOOL, YEARLY CONTRACTS ENTERED INTO WITH COLLIERIES. OSBECK & COMPANY LIMITED, PIT-TIMBER MERCHANTS, NEWCA8TLE-0N-TYNE. SUPPLY ALL KINDS OF COLLIERY TIMBER. Telegrams—“ Osbecks, Newcastle-on-Tyne.” ___________________________________________ *** For other Miscellaneous Advertisements see Last White Page. _______________________________________________________ Prices for ORDINARY POSITIONS Single Column (3 inches wide) : For 52 insertions 2s. 6d. „ 26 „ 3s. Od. C per „ 13 „ 3s. 6d. ) insertion for each inch in depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. ________ 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. Od. ,, ,, 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 1192.) _______________ _________________.... SUBSCRIPTIONS. ______ The Colliery Guardian, published at 2.30 p.m. on Friday, can be supplied direct from the Publishing Offices, post free for twelve months, at the following rates, payable in advance :— For the United Kingdom ... ... £1 1 0 For Foreign Countries and Colonies £17 6 When foreign subscriptions are sent by Money Orders, payable through the Post Office, advice should be sent to the Publishers. Offices for Advertisements and Publication :—30 and 31, Furnival Street, Holborn, London, E.C. Telegraphic Address, “Colliery Guardian, Fleet, London.’’ Telephone—1354 Holborn. ________________________________________________________ Messrs. HARRIS and MILLS, Chartered Patent Agents (Estab. 1866), 34-35, HIGH HOLBORN, LONDON, W.C., Offer SPECIAL TERMS and manufacturers During the War. Particulars of the new Act enabling persons to work Patents or use Trade Marks OWNED BY GERMANS AND AUSTRIANS, sent post free. ASSOCIATION OF PRIVATE OWNERS OF RAILWAY ROLLING STOCK. Formed in 1891 for the Protection of the Rights anct Interests of Private Owners. applications for particulars and terms of membership may be sent to the SECRETARY, Clarence Chambers, Gloucester. LOCOMOTIVES For Sale or Hire. ALWAYS IN STOCK. QUICK DESPATCH. THO? W. ward Ltd., Sheffield. Telegrams—“ Forward.” Telephones—4321 (6 lines). HEAD, WRIGHTSON AND CO. LTD., ---- for — COLLIERY PLANT. See Page Advertisement in December 11 issue. _____________________________ THE LAW RELATING TO MINES Under the COAL MINES ACT, 1911. An OFFICIAL GUIDE to the Mines Act ISSUED BY THE HOME OFFICE. Contains the text of the Coal Mines Act, 1911, the Eight Hours Act, &c., with such explanations of, or comments on, various provisions as seem likely to be helpful to those concerned with administering or carrying out the Act. Also contains lists of cases cited, Government publications and official forms, and an excellent index. The “ explanations give the views which are taken by the Home Office, and on which the Inspec- tors are instructed to act in administering the law.” PRICE 2se BY POST 2s, 4d. To be obtained of— THE COLLIERY GUARDIAN CO. LTD., 30 & 3 1, Furnival St., Holborn, London, E.C. AND Journal of the Coal and Iron Trades. Joint Editors— J. V. ELSDEN, D.Sc. (Lond.), F.G.S. HUBEBT GREENWELL, F.S.S., Assoc.M.I.M.E. LONDON, FRIDAY, DECEMBER 4, 1914. _________________________ The London coal trade for the past week has been unusually brisk. The colder weather and the increasing shortage of wagons has given an impetus to the trade. The bulk of the London merchants are complaining bitterly of the serious delay to the traffic. The recent severe weather has not tended to improve the supplies of tonnage, and the scarcity is even greater than last week. Already one or two orders are said to have been transferred to other countries Despite these difficulties, however, shipments on the Tyne and at Cardiff have improved. At the latter market the Admiralty demand is still decreasing. Throughout Lancashire and Derbyshire an improve- ment generally is noticeable, household fuel especially is in better request. There is again no change to report in the Scottish position. Representatives of the Scottish coal owners have interviewed Mr. J. M. Robertson, M.P., of the Board of Trade, with regard to the closing of the Firth of Forth. It is desired that the stoppage of shipping should be compensated by special railway rates for mineral traffic. The deputation received a promise that the matter would be looked into at once. A committee has been appointed to enquire into the proposal to employ interned alien shipping to alleviate the scarcity of tonnage now prevailing. A meeting of the Midland Mining, Civil and Mechanical Engineers was held at Sheffield on Friday last. Two papers of special interest were read—one by Mr. H. R. Webster on “ A Firedamp Indicator,” and the other by Mr. W. Maurice, who presented the case for the electric lamp. At the annual dinner which followed, Mr. W. Hargreaves, the president, referred to the economic use of coal,