730 THE COLLIERY GUARDIAN October 8, 1915. CONTENTS. Editorial Articles :— page Coal Mining in India...................... 731 Ths Middleman Again ...................... 731 Articles Experiments with Ammonium Nitrate Explosives 723 The German and Austrian Coal and Iron Trades ... 728 Trade and the War............................. 729 Book Notices.................................. 729 Obituary...................................... 736 Colliery Motor Tipping Wagons ................ 737 Trade Unions in 1913.......................... 738 Coal Mining Organisation Committee ........... 739 Labour and Wages.............. .................. 742 The Freight Market ........................... 744 Open Contracts ............................. 744 Abstracts of Patent Specifications Recently Accepted..................................... 744 The Acquisition of Enemy Patent Rights ....... 745 New Patents Connected with the Coal and Iron Trades ...................................... 746 Government Publications ...................... 746 Publications Received 746 Current Science and Technology............ 728 Indian and Colonial Notes’................... 736 Notes from the Coalfields ................... 740 Coal, Iron and Engineering Companies ......... 743 The Coal and Iron Trades ................. 732—735 The Tin-plate Trade ......................... 735 The By-Products Trade ................,...... 736 The London Coal Trade ....................... 736 Reports of Meetings :— Midland Institute of Mining, Civil and Mechanical Engineers ................................ 725 South Wales Institute of Engineers .......... 737 Letters to the Editors :— The Thickness of the Lower Carboniferous Rocks Proved in the Trapham Boring, Kent ........ 738 Miscellanea :— Grimsby Coal Exports—North of England Institute of Mining and Mechanical Engineers...... 727 Mining Institute of Scotland —Norwegian Coal Imports ............................... 729 Price of Coal in Forest of Dean.......... 738 Manchester Geological and Mining Society. 743 Immingham Coal Exports—The Institution of Mechanical Engineers—Hull Coal Exports. 746 ADVERTISEMENTS. Offices far ADVERTISEMENTS and PUBLICATION— 30 & 31, Furmval Street, Holborn, London, E.C> 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 insertjOn for each ,,13 ,, 3s. 6d. j mch 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 748.) 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. 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. Booklet of useful information gratis. Chart of 187 Mechanical Motions with description of each, post free, 6d. 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 1872. PORING foe JJTNERALS. SPEED AND CERTAINTY. CYLINDRICAL "CORES.” THE 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, PORTH, GLAM. .PTiHCtpctl ’ WILLIAM THOMAS, M.Inst M.B., 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 Managers1^ 58 students have passed the Home Office Surveyors’ Exam.; 30 students are now Mines Inspectors. Candidates for the a cove write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. C.) CAMBRIAN MINING SCHOOL. PORTH, 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 UNIVERSAL MINING SCHOOL (Estab. 1883) is conducted by T. A. SOUTHERN (late H.M.I.M.) and H. W. HALBAUM (Greenwell Medallist), men qualified to prepare you for the highest mining positions. U.M.8 men obtain and hold nearly all the best posts. For example, 50 of H.M. Inspectors are U.M.S. men. Lessons by post only. Fees postponable during the war. Particulars on application. Syllabus and advice free. THE U.M.S., 50, Connaught Rd., 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. SYfFI I For COLLIERIES Rails V V and WORKS. Roof Bars THO3 W. WARD Ltd., Pit Props I Albion Works, . , I SHEFFIELD. Arches J try us. — D. Llevrellin Evans PROPRIETOR OF THE Cardiff Brattice Cloth Company, 120, BUTE ST^ CARDIFF. AGENT FOR Nobel's Explosives. -PARTNERSHIPS or DIRECTORSHIPS REQUIRED by 1 the following investors, viz.: O pi tai available. Experience. Business Required. <£5,000 £5,000 <£5,000 £3,000 £3,000 £3,000 £2,500 £1,500 £1,000 £1,000 Owne should ( Merchants ... Motors Brewery Chemicals ... Textile ... . ... Commercial... Manufacturing Soft Goods ... Ironmongery Accountancy rs of established sail upon or com: Directorship in sound Manufg. Co. Engineering or Manufacturing. Coal. Chemicals or Allied. Manchester Heavy Goods preferred. Directorship, Devon preferred. Manufg. has export connections. Coal. Wholesale Hardware. Manufg., Wholesale, or Agency. . sound businesses requiring capital municate confidentially with Messrs. COOKE & BYRNE, 60, Harcourt St., Dublin. Geo. N. Dixon & Co., 43, Cattle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. Italian Engineer, resident in Milan, with good connection amongst all local industries using p’g iron, iron and steel, coal, and various metals, is open to represent a British firm in any of these lines.—Apply for further information and references, to Box 6187, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn. London, E.C. Business Manager, age 3 7, desires Post as ASSISTANT MANAGER or REPRESENTATIVE ; conversant with machinery and steam plants ; reliable, active, and cap tble of giving or dealing with instructions quickly, &c.; six o’clock man when necessary.— Box •191, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. HERIOT-WATT COLLEGE, EDINBURGH. MIME RESCUE STATION. Instructor required, salary £150, with free house and coals. Candidates must be familiar with Meco apparatus, and have had rescue station training and mining experience, and must produce medical certificate of general fitness, and as regards heart and lungs. Applications and copies of three testimonials to be received by the under- signed not later than 22 nd October. Further particulars can be obtained from the Principal of the Heriot-Watt College. Heriot Trust Offices, PETER MACNAUGHTON, S.S.C,, 20, York-place, Edinburgh, Clerk. 5th October, 1915. VTr. E. H. Wrigglesworth, Colliery i V > Agent, Hull, has large and small collieries for sale.—Full particulars to Principals or their Solicitors. VUanted, Works for Dismantling, Plant V V no longer required. boilers, tanks, machinery, &c., for prompt cash—Write to B. J. WEBSTER, 119, Bow-road, London, E. 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-Tyne.” * * For other Miscellaneous Advertisements see Last White Page. W Wtaij Guardian 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. LONDON, FRIDAY, OCTOBER 8, 1915. The London coal trade continues firm. Supplies, however, are much below the average. Seaborne qualities are practically withdrawn from the open market, only contract cargoes arriving. Bailborne qualities are coming forward slowly and are selling freely. Public prices have advanced Is. per ton on most kinds. Coal export business has been further restricted by the increased freight rates, which are the outcome of the tonnage scarcity. The tone of the Tyne and Wear markets has improved, a fair all-round demand contributing towards a firming tendency. Lancashire house coal is now in greater request, the supply being below the demand. The enquiry in Yorkshire is active, but output limitations and traffic difficulties are hampering business. A steadily - improved demand is experienced in the Derbyshire district. At Cardiff the tonnage question remains acute, and the market continues to be depressed. Freights are again higher, and concessions in values are given to those commanding prompt loading. A few stoppages have occurred owing to wagon shortage, and stocks have accumulated. The Scottish coal trade is quiet and the markets featureless. A general meeting of the Mining Institute of Scotland will be held at Edinburgh to-morrow (Saturday). A paper by Mr. Samuel Dean, entitled 4‘Modern American Mining Methods,” will be read at a meeting of the North of England Institute of Mining and Mechanical Engineers, at Newcastle-on-Tyne, to-morrow. The Board of Trade have made an Order whereby in the Forest of Dean district a standard of 5s. is substituted for the 4s. specified in the Price of Coal (Limitation) Act. The Coal Exports Committee state that licences for the export of coke other than gas coke are freely granted.