526 THE COLLIERY GUARDIAN September 10, 1915. CONTENTS. Editorial Articles :— page Coal Mining Organisation .................... 527 The British Association ..................... 528 Machinery and the Man ....................... 528 Articles .— Explosion-proof Electric Motors for Mines... 517 South African Mining in 1914 ............... 518 The French Coal Trade ...................... 519 Explosives in Coal Mines.................... 519 Geological Research in the Coal Fields during 1914 520 Coal Mines Inspection in 1914 .............. 521 Coal and Coke Exported and Shipped Coastwise from Ports in England, Scotland and Wales .. 523 The German and Austrian Coal and Iron Trades ... 524 Trade and the War........................... 525 Coal Mining Organisation Committee ......... 533 Labour and Wages............................ 534 Obituary.................................. 537 Open Contracts ............................. 537 Exports of Coal, Coke, and Manufactured Fuel from the United Kingdom .................... 538 The Freight Market .......................... 539 Abstracts of Patent Specifications Recently Accepted................................... 539 New Patents Connected with the Coal and Iron Trades .................................... 540 Publications Received ....................... 542 Government Publications ..................... 542 Current Science and Technology.................. 524 Notes from the Coalfields ...................... 535 Coal, Iron and Engineering Companies ........... 537 The Coal and Iron Trades ................ 525, 528—531 The London Coal Trade ....................... 532 The By-Products Trade ....................... 532 The Tin-plate Trade ......................... 525 Letters to the Editors The Distribution of Coal..................... 534 Miscellanea :— Shipments of Bunker Coals—The University of Sheffield — Exports and Imports of Mining Machinery................................. 518 Grimsby Coal Exports ....................... 519 Imports of Pit Props in August—Iron and Steel Institute.................................. 523 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 for each „ 13 „ 3s. 6d. ) mch ln 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 544.) 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......... £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. 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. COAL OUTPUT. One of the best and most practical means in the Kingdom which will increase it, with less labour, less time, less accidents, and less cost. Please read about Moxon’s Patent on last white page. 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 for ^INERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” THE AQUEOUS WORKS AND DIAMOND ROCK-BORINC 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. 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 Managers* 58 students have passed the Home Office Surveyors’ Exam.; 30 students are now Mines Inspectors. Candidates for the above write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. G.) 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.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 Bars Pit Props Arches For COLLIERIES V and WORKS. THOS W. WARD Ltd., Albion Works, SHEFFIELD. TRY US, -------- Cloth, Price is. 6d. net. SUGGESTED RULES FOR RECOVERING COAL MINES AFTER EXPLOSIONS & FIRES. By W. E. QARFORTH. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C. VYTanted, Enginewright for large colliery V V in Lancashire; must be good practical energetic man used to upkeep of modern plant.-Apply, with copies of two references, stating wages required, to Box C. P. 8, Examiner Office, Wigan. VATanted, competent Colliery Surveyor V V for the county of Kent.—Apply, with full particulars, stating salary required, to Box 6159, Colliery Guardian Office, 30 & 31, Furnival- street, Holborn, London. E C. /"Vd established firm of Colliery Engineers X_Z require a CHIEF DR AUGHTSMAN, thoroughly capable of taking complete control of drawing office; must have had previous experience in headgears, screening and'washing plant, winding and hauling engines. Src. —Reply, with full particulars, statingage and salary expected, to Box 6160, Collier* Guaritan Office, 30 & 31, F ir nival-street, Holborn, London, E.C, -PARTNERSHIPS or DIRECTORSHIPS REQUIRED by JL 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 < COOK Merchants ... Motors Brewery Chemicals ... Textile Commercial... Manufacturing Soft Goods ... Ironmongery Accountancy rs of established jail upon or com: E & BYRNE 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. 60, Harcourt St., Dublin. Geo, N, Dixon & Co,, 43, Cattle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. Mining Engineer, with 25 years’ experi- ence in collieries at hr me and abroad, requires an Appointment.— Box 6061, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. /Colliery Traveller, in position, desires change, age 35 ; 17 years’ experience ; references; Birmingham, Bristol, and south preferred, or any position of trust considered.—Box 6157, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. TXT’anted, for some large collieries in V V Yorkshire, competent fully - qua1 ified SURVEYOR—State experience, age, and wage required, Box 6163, Colliery Guardian Office, 30 & 31, Furnival street. Holborn, London, E.C. FOR SALE. SMALL STEAM COAL (SMOKELESS) COLLIERY, SOUTH WALES. Favourable terms or present Proprietor would retain an interest if required; particulars and terms to principals only or their solicitors.—Apply, Box 6162, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. HERIOT-WATT COLLEGE, EDINBURGH. Principal—A. P. LAURIE, M.A., D.Sc. (Sometime Fellow of King’s Codege, 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 MACNAUGHTON, S.S.C., 20, York-place. Edinburgh, Clerk. 10th August, 1915. THE UNIVERSITY OF SHEFFIELD. DEPARTMENT OF APPLIED CHEMISTRY. Professor—L. T. O’SHEA, M.Sc , M IMin. E. The following Courses of Lectures will be given during the Session 1915 16:— Day Lectures -Ccke Manufacture and Bj -product Recovery—Tar and Tar Distillation. Evening Lectures—Tar and Tar Distillation. The Chemical Laboratory is open dailv from 10 a.m. to 5 p.m., except Saturday, and in the evening on Friday from 6 to 9 p m. Instruction is given in Analysis of Fuel and By-products, in Tar Distillation, and Analysis of Mine Air. For information, apply the SECRETARY, Applied Science Department, the University, St. George’s-square, Sheffield. rPhe Notts Education Committee are prepared to receive applications for TEACHERS of MINING in local Evening Schools.—Applications should be made at once to the DIRECTOR OF EDUCATION, Shire Hall, Nottingham. THE NORTHERN COLLIERY OFFICIALS’ ASSOCIATION. /Conferences will be held in the Crown Hotel, Crook, on September 11, at 5 p.m.; Presby te rian School Room, Stanley, September 18. at 6 p.m.; Eldon Arms, Ferry hill. September 25, at 6 p.m. The General President and Secretary will report upon tbeir visit to the London Mining Conference, and also the objects cf the Association. Colliery offic als in the above districts are cordially invited to join the Association. Secretary, ROBERT NUTTALL, Church-road, Low Fell, Gateshead. DORSET COUNTY COUNCIL. TENDERS FOR THE SUPPLY OF COAL AND COKE. Tenders are invited for the supply of COAL and COKE to the Shire Hall, County Offices. Police Stations, and Public Elementary Schools maintained by the Council, up to the 31st August, 1916. The county has been divided into 12 dstributing districts, and an approximate quantity of l,C00 tons of coal and 4u0 tons of coke will be required during the period of the contract. Printed forms of specification and forms of tender, giving districts, buildings therein, and approximate quantities of coal and coke required, may be obtained on application to the undersigned, to whom tenders in envelopes marked *• Coal,” must be returned completed by Saturday, the 18th Seutember, 1915. The County Council do not bind themselves to accept the lowest or any tender. County Offices, Dorchester, E. A. FFOOK8, 6th September, 1915. Clerk of the County Council. THE URBAN DISTRICT COUNCIL OF BaRNES. TENDERS FOR COAL. ^Phe above Council are prepared to receive M TENDERS for the supply of between 2,009 to 2,500 tons of COAL suitable for Chain Grate Stokers for use at their Electricity Works, High- street, Mortlake, for six months, commencing from tie 1st November, 1915. Forms of tender*with particulars, may be obta ned at my office as under. Tenders must be sent so as to be received by me before 12 noon on Tuesday, the 28th day of September next, marked “ Tender for Coal, Electricity Works.” The Council reserve to themselves the right to decline all, or any, or any portion of the tenders received. The Council House, By order. High-street, Mortlake, S.W., WM. THOS. GOODALE, September, 1915. Clerk to the Council. ACTON URBAN DISTRICT COUNCIL. COKE BREEZE FOR PUBLIC BATHS. enders are invited for the supply of COKE BREEZE to the Acton Public Baths, for 6 and 12 months respectively from the 1st October, 1915. Particulars and forms of tender may be obtained upon application to the Surveyor to the Council, and tenders in sealed envelopes endorsed “ Coke Breeze,” must be delivered to me not later than 3 p m. on Tuesday, the 21st instant. The Council do not bind themselves to accept the lowest or any tender, and canvassing the members of the Council, either directly or indirectly, will disqualify. Council Offices, Acton. W , WM. HODSON, 9th September, 1915. Clerk to the Council. Save Demurrage Charges. — Kailway companies charging 1/35. per day on company’s wagons, from July 1st, 1915; for internal use, have 280 splendid Dead-buffer Wagons, taken off main line traffic end of December. 1914. MARPLE A GIBDOTT LTD., Sheffield. P^/'WA-H.P. High-class Coupled Corliss L/VJ V Z Compound ENGINE for sale, complete with Surface Con- denser, cylinders 20 in. and 39 in. by 48 in.. Barring Engine provided. Flywheel in eight segments, 18ft. diameter, grooved for 14 by l|in. ropes; just finished running and being replaced by electrical plant: in splendid order throughout.—‘•OOMPOUND,” Wm. Porteous & Co., Glasgow. FOR SALE BY PRIVATE TREATY. /Colliery Ventilating Fan and Engine, by Walker Bros., Wigan, capacity 275,000 cubic feet, cylinder 24 in. diameter ; one pair Winding Engines, by Walker Bros , cylinders 24 in. diameter; Steel Headgear, 50ft. to pulleys, diameter lift, and other Plant at Ooalbrookvale Colliery, Nantyglo.—For further particulars, apply GRUNDY, LAMB & GRUNDY, 14, John Dalton-street, Manchester.