426 THE COLLIERY GUARDIAN August 27, 1915. CONTENTS. Editorial Articles :— page The Control of Exports........................ 427 South Wales Again............................. 428 Articles :— The Sulphate of Ammonia Association........... 417 Supporting Shaft Sides through a Fault ....... 418 Coal Mining Organisation Committee............ 419 Lambourne's Mechanical Signalling System ..... 421 Hydraulic Decking Gear at a Belgian Colliery . 422 Institution of Mining Engineers .............. 422 Trade and the War............................. 422 Obituary...................................... 423 The German and Austrian Coal and Iron Trades ... 425 Labour and Wages.............................. 433 Coastwise Shipments During July .............. 436 Open Contracts............................... 438 The Freight Market ........................... 439 Abstracts of Patent Specifications Recently Accepted..................................... 439 New Patents Connected with the Coal and Iron Trades ...................................... 442 Government Publications ...................... 442 Publications Received Current Science and Technology............ 424 Notes from the Coalfields ................... 434 Monthly List of Recent Coal Literature........ 437 Coal, Iron and Engineering Companies ........ 438 The Coal and Iron Trades ................ 428—432 The London Coal Trade ..................... 425 The By-Products Trade ... ................. 425 The Tin-plate Trade ..................... 425 Letters to the Editors :— Winding Mechanics ......................... 423 Miscellanea :— Hull Coal Exports—Donetz Coal Production .. 419 Immingham Coal Exports .................... 421 Grimsby Coal Exports—British Association .. 423 Refuse as Fuel............................. 424 Partnerships Dissolved—Another National Con- ference on Output ....................... 428 Coaling at Panama.......................... 434 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. Prices for ORDINARY POSITIONS :— Single Column (3 inches wide) : For 52 insertions 2s. 6d. ) per insertion {or 6ach „ 13 ,, 3s. 6d. ) inch 111 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 444.) SUBSCRIPTIONS. The Colliery Guardian, published at 2.30 p.m. on Friday, can be supplied direct from the Publishiing Offices, post free for twelve months, at the following rates, payable in advance:— For the United Kingdom........... £110 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. *** Cheques, &c., to be made payable to the Colliery Guardian Co. Limited. All remittances should be crossed & Co. 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. 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. BORING fob J^INERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” THE AQUEOUS WORKS AND 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 WATEB. 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, Glam. 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.S 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. STEEL Rails Roof Rars Pit Props Arches For COLLIERIES V *! and WORKS. THQS W. WARD Ltd., Albion Works, SHEFFIELD. TRY US. -------- WAGONS. 4 00 NEW 1 2-to oners for sale, side and end doors, 3 in. sheeting, all British ironwork; immediate delivery. Apply, "SHIPPERS,” Box 6145, Cnlliery Gua-dian Office, 30 & 31, Furnival street. Holborn. London, E.C. THE LIVERPOOL GAS COMPANY. TENDERS FOR COAL AND CANNEL. rphe Directors of the Liverpool Gas > Company are prepared to receive TENDERS for the supply of 80.000 tons of COAL and 20,000 tons of CANNEL, to be delivered at the various works of the company during the period of nine months between the 1st October, 1915, and the 30th June, 1916. Tenders v ill be received for the whole or any portion of the above quantity. The Directors reserve the right to accept tenders for the who e or any portion of the quantity offered, and do not bind themselves to accept the lowest or any tender. . Full particulars and printed forms of tender can be obtained on application to the undersigned at the Gas Office, Duke street, Liverpool. Sealed tenders (on the printed form only) addressed to the Chairman of the Company, must be delivered at or before 10 a.m. on Wednesday, September 1st, 1915, endorsed “ Tender for Coal.” Gas Office, Duke-street, By order, Liverpool, B. GIBSON, 12th August, 1915. Engineer. PARTNERSHIPS or DIRECTORSHIPS REQUIRED by _L the following investors, viz.: Capital 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 jail 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. 1 sound businesses requiring capital municate confidentially with Messrs. COOKE & BYRNE, 60, Harcourt St., Dublin. Geo. N. Dixon & Co., 43, Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. SOUTH WALES AND MONMOUTHSHIRE SCHOOL OF MINES. i JOINT DIPLOMA MINING COURSE. he Third Session of the Joint Diploma Mining Course, in association with the University College. Cardiff, will commence on Tuesday, 5th October, 1915. The Entrance Examination for this Course will be held on Tuesday, 21st September, 1915, at the School of Mines, Treforest. Special Part time Courses for Colliery Managers, Surveyors. Chemists, Mechanics, and Electricians, will commence at Treforest, Glam., and Crumlin, Mon., on 5th October, 1915. For particulars, apply to the PRINCIPAL, School of Mines, Treforest. HERIOT-WATT COLLEGE, EDINBURGH. Principal-A. P. LAURIE. M.A., D.Sc. (Sometime Fellow of King’s College, Cambridge). rphe Diploma Course in Mining extends JL over three years, and is recognised by the Home Office as equivalent to part of the underground training required for the Colliery Managers’ Certificate. The Courses in Mining are also recognised by the University of London for the B.Sc. Degree in Mining. Inclusive fee for the three years’ Diploma Course is £66. An entrance bursary of £25 per annum is offered for competition on the 28th September. Heriot Trust Offices, PETER MAONAUGHTON, S.S.C., 20, York-place. Edinburgh, Clerk. 10th August, 1915. ENGINEERING BUSINESS FOR SALE. nphe Liquidator of the Hurd Coalcutter JL & Engineering Co. Ltd invites OFFERS for the BUSINESS as a going concern, including the valuable drawings, patterns, &c. The premises are centrally situated in Glasgow, the plant is modern and in good condition. This is a favourable opportunity for anyone with moderate capital acquiring a good connection, which could be considerably increased. The bu-smess is on the market owing to the death on service of the principal shareholder in the concern. Offers to be lodged on or before 6th Septembpr next.—Full particulars on application to Messrs. HODGE it SMITH, C.A., 135, Buchanan-street, Glasgow. SOMERSETSHIRE. EDFORD COLLIERY, HOLCOMBE. Three miles from Chilcompton, Somerset and Dorset Joint Railway Station, and 4 miles from Radstock, Great Western Railway. TO COLLIERY PROPRIETORS, IRON AND MACHINERY MERCHANTS AND OTHERS. Important and Unreserved Sale of the whole of the PLANT and MACHINERY at the above Colliery. ATTainwright, Laver & Crees Ltd. are ▼ ▼ favoured with instructions from Mr. L. V. Trotman, Chartered Accountant. Frome, Receiver and Manager for the Debenture Holders, to SELL by AUCTION, at the above Colliery, on TUESDAY, SEPTEMBER 7th, 1915, at 1 o’clock prompt, the whole of the above, comprising 2 Lanca- shire Boilers 7 ft. 6 in., single cylinder 15 in., 3 ft. 9 in. stroke, second motion, geared 2% to 1; Winding E' gme, with flywheel and drum ; cages, 2 w nding ropes (one new); Boiler Feed Pump, by nay ward & Tyler; Donkey Feed Pump, Cameron type; pair Haulage Engines, 7 in. diameter, 12 in stroke, with drum, and 250 vards^in. wire rope, with shaft and driving pulley; a quantity of Steam P.ping; 40 new latest approved Oil Lamps ; Electric Shot- firing Battery; 200 vards D uble Bridge Rads, with ties and wooden sleepers; Briquette Press, with elevator, pulley, and shafting complete; 4 large Coal Scr-ens; quantity of new and old Ire n; Mortar Mill and Pan, sharing and »ulley complete ; 13 Coal Trams ; small Tram-weighing Machine, by Bartlett & Sons; Disintegrator; 60 Brique te Packs, each to hold approxi- mately a ton; Washing Machine, with elevator, screens, driving pulleys, &c.; Raw Bench; Emery Wheel; quantity of Shafting and Belting, Bolts and Nuts, with usual accessories to a working colliery. Further par1 iculars, cards to view, and catalogues, mav be obtained of the AUCTIONEERS, Shepton Mallet; or of Mr. L. V. TROTMAN, King- street, Frome. CITY OF BIRMINGHAM ELECTRIC SUPPLY DEPARTMENT. TENDERS FOR COAL. 1 lenders are invited for the supply of 250 030 tons of COAL to the Generating Stations of the Corporation Electric Supply Department for delivery be'ween November 1st, 1915, and October 3l^t, 1916 Particulars as to delivery and requirements can be obtained from the undersigned. Tenders must be sent in by noon of Saturday, the 4th September 1915. 14, Dale End, Birmingham, R. A. CHATTOOK, M I.E.E., August, 1915. City Electrical Engineer and Manager. Purveyor Wanted to take charge of the Liz surveying department of a large mineral estate in Scotland; a com- petent man will command a good salary.—Apply, stating age and experience, and giving references, to Box 6149. Colliery Guataian Office, 30 & 31, Furnival street. Holborn, London, E C. VIZ anted, Surveyor Improver.—Apply, ▼ ▼ with copy testimonials, qualifications, &c., and wages required, to “COLLIERY,” Farrington Gurney, Bristol /Colliery Surveyor (First-class certificate endorsed for surveying), experienced, used to pit work, setting out ne