1246 ___________________________________________________________________________________________________________ THE COLLIERY GUARDIAN. December 13, 1918. CONTENTS. Editorial Articles:— Page Explosibility of Coal Dust ..............._____ 1247 Coalition Policy........................ _____ 1247 Articles :— Cooling Electric Motors ..................... 1239 Development Work in Collieries............... 1240 Railway Wagons Disposal (Scotland) ......... 1242 Mining Law and Economics.—II............... 1243 Increasing the Output of Coal ............... 1243 Obituary ...............................__ _____ 1245 South Wales Mining Timber Trade ........._____ 1251 Exports of By-Products ..................... 1251 Labour and Wages ......................... 1252 The American Coal Trade ................... 1252 Mean Magnetic Declination................__ 1253 Open Contracts ........................______ 1254 Exports of Coal, Coke, and Manufactured Fuel from the United Kingdom ................. 1256 The Freight Market ......................... 1256 Abstracts of Patent Specifications Recently Acptd. 1258 Government Publications..................... 1258 , Publications Received ....................... 1258 New Patents Connected with the Coal and Iron Trades ..................................__ 1258 ♦ Reports of Meetings: — Midland Institute of Mining, Civil and Mechanical Engineers _____............................... 1241 Mining Institute of Scotland................. 1245 The Coal and Iron Trades ___________............1248—1251 The Tin-plate Trade......................... 1248 The London Coal Trade ..................... 1251 The By-Products Trade _____................... 1251 Law Intelligence _____ ......................... 1251 Notes from the Coal Fields................... 1253 Coal, Iron and Engineering Companies......... 1254 Miscellanea : — Release of Miners ___........................ 1245 Imports of Pit Props......................... 1250 Hull Coal Trade—Eight Hours Day in the Iron Trade—Imports and Exports of Mining Ma- chinery—Mons Coal Mines ................. 1251 North Staffordshire Institute of Mining Engineers The Coal Shortage —Cleveland Ironstone..... 1252 The Demobilisation Position—More Benzol Avail- able—Coal Trade Benevolent Fund ......... 1254 ________________________________________________ Offices for ADVERTISEMENTS and PUBLICATION: 30 and 31, Furnival Street, Holborn, London, E.C. 4. Telegraphic Address—“Colliery Guardian, Fleet, London.’’ Telephone—1354 Holborn. ________________________________________________ Established 1866. PATENTS, DESIGNS, and TRADE MARKS. IT ARRIS AND MILLS, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. 1. Telegraphic Address—“ Privilege, London.” Tel. No.—Holborn 2763. Patents.—Inventors, Advice, and Hand- BOOK Free—KING’S PATENT AGENCY LTD., 165, Queen Victoria-street, London, E.C. 4. JOHN STANIAR & CO., Manchester, Eng. Wire Weavers & Metal Workers. Established ovbb 100 Teaks. __________ _________ -—-------- EVERY REQUISITE. ------------------ GAUZES in Silk and Wire. BRUSHES in Bristle, Weed, Fibre or Steel, for every know* make of Brush Machine. PERFORA TED PL A TES in Iron, Steel, Zinc, Brass, Copper. GUARDS for Engines, Stores, Machines, Strapping, lifts, &c. AWARD MEDALS—Japan-British 1910, Franco-British 1908. Telegraph—“ Gauze. Manchester.” Telephone—City 3306 Stop Taking Risks! Highest Efficiency, Longest Service obtained by using only CHEKKO BRAKE & CLUTCH LINERS. _______ CRESSWELLS’ LD. 9 Wellington Works, Bradford. ____________________________ ARMYTAGE & JONES Ltd., SHEAF STREET, SHEFFIELD. RAILS. WAGONS. (For all purposes). (Coal & Ballast). Boiler Tanks. Points and Crossings. CRANES. (Loco & Derrick). Sleepers. Buffer Stops. Buyers of all kinds Steel and Iron Scrap. ____________________________________________________________ BOILERS For COLLIERIES iir-iii ■ i firm A SPECIALITE. a—■■— ARNOLD’S Bulbous Boiler Flue. Hopkinson-West Patent Boiler Flue. WM. ARNOLD & CO., Barnsley. 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 for nypiNERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” THE AQUEOUS WORKS and DIAMOND ROCK-BORING Co. Ltd Guildfow 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 U.M.S. LESSONS BY POST. The best Mining Education. Unapproachable Successes. 52 H.M. Inspectors are U.M.S. Men. . — Syllabus free. — THE UNIVERSAL MINING SCHOOL (%b) 5 0, Connaught Road, Cardiff. 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. ______ Electrical Machinery See Illustrated Advt. PEEBLES in Nov. 29th issue. BRUCE PEEBLES & Co. Ltd. Engineers. EDINBURGH. __________________________________ YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, For Coal, Coke, Iron and other Ores. ____________ YEADON, SON & CO., Engineers, LEEDS, Have a World-wide Reputation, and 40 Years’ Experience. They have supplied MORE BRIQUETTE PLANTS than any other firm in this country. ______________________________________ READY. Order at once to prevent ——— disappointment. Colliery Manager’s POCKET BOOK, ALMANAC and DIARY, 1919. ____________ Year ox Publication. ____________ Designed especially as a handy work of reference for the use of COLLIERY MANAGERS & OFFICIALS, each successive issue is thoroughly revised in accordance with the most recent Colliery Practice. CLOTH, 3s. LEATHER, gilt edges, 4s. Postage extra, up to 3 copies, 6d. THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C. 4. PLEASE WRITE DIRECT. ____________________________________________ JOHN M. HENDERSON & COMPANY, King’s Works, ABERDEEN, are in an excellent POSITION to UNDER- TAKE FORGING, CASTING, and MACHINE- WORK, in either Steel, Cast Iron, or other Metals, and would be glad to quote for such work at any time. They would also be pleased to receive enquiries for their standard manufactures as follows, viz.:— AERIAL CABLEWAYS. AERIAL ROPEWAYS (mono- and bi-cable systems). TRANSPORTERS. CRANES of all descriptions. SUSPENSION BRIDGES (steel rope and stiffened types). i JOHN M. HENDERSON £ COMPANY, ABERDEEN. Telephones—Central 3162 (3 lines). Telegrams —“Cranes, Aberdeen.” Engineering. REPAIRS or NEW PLANT. Corves. Wheels. Rollers. Steel, Iron, or Brass Castings. Engineering Department, THE BRAMLEY BRICK CO., Bramley, Leeds. Telephone—ST ANNINGLEY 146. ______________________________ W. G. JENKINSON (ESTD. 1882), Chemical Plumber & Lead-Burner, Maker of every description of Lead-work for Sulphate of Ammonia and By-Product Plant, Saturators, Coils and Ejectors. 43, EYRE STREET, SHEFFIELD. Tel2e^“~ Wanted, Colliery Manager, for large developing Midland colliery with heavy inclined seams. Must be used to coal cutters, electric and compressed air haulages. Must be a thoroughly practical and experienced man, good organiser, and capable of laying out new work.-Apply, giving particulars, and salary required, to Box 7255, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, Gentleman who has a good connection with collieries for* brattice cloth, &c., to carry another good side-line on commission basis.—Apply to Box 7257, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, thoroughly competent Engine- WRIGHT.—Apply, stating age, experience, and salary required, to Box 7261, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Brattice Cloth. — Gentleman Wanted with influence amongst colliery managers and proprietors, to sell BRATTICE CLOTH on good commission omy.—Address, FAIRCLOUGH & SONS, Bank-lane, Clayton, near Manchester. Mining Engineer (first-class certificate) REQUIRES POSITION, home or abroad, as MANAGER or ASSISTANT to general manager. Experience in narrow seams, coal cutters and conveyors; longwall work, sinking and surface lay-out. — Box 7254, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, experienced Manager for coke oven (75) and direct recovery by-product plant.—Apply by letter, giving full particulars as to qua'ifications, experience, age, and salary required, to SECRETARY, THE BEARPARK: COAX. AND COKE CO. LTD., Middlesbrough. Wanted, for a large group of collieries in the North of England,^certificated SURVEYOR, capable of keeping up the surveys and plans and doing the usual work of a surveyor. Full details will be given on application, and candidates are requested to send in full information as to their qualifications, salary required, and other particulars.—Apply to J. MORISON, Mining Offices, 18, Windsor-terrace, Newcastle-on-Tyne, by letter only. Envelopes to be marked “ Surveyor.” Belgium.—First-class Firm, with best references, well established at Charleroi and Brussels, with good connections amongst Belgian and North French collieries and iron and steel industries, are OPEN to ACCEPT AGENCIES for the Sale of Raw Materials, all kinds of Plant, Machinery and other Specialities regularly required by colliery owners and associated industries. Letters, with offers, catalogues, etc., to Box 7268, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn. London, E.C. 4. Well-educated Youth, shortly to be released from the Army, DESIRES CLERKSHIP in steel works or accountant’s office.—Apply, Box 7270, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, a qualified Colliery Surveyor. Applv, giving full particulars, to— THE BTTLLCROFT MAIN COLLIERIES LTD., near Doncaster. Wanted, a good all-round Manager for large coking and by-product plant, with benzol rectification and tar distillation plant. Must have a thorough technical knowledge, good practical experience, and able to manage men.—Apply, stating age, expe- rience, and sa ary required, to Box 7271, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, First-class Colliery Manager for a small colliery; able to do surveying. State age, wage, references and experience.—Box 7272, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. A Certificated Colliery Manager Desires CHANGE—post as AGENT or ASSISTANT AGENT; Midlands or south preferred. Thirteen years experience managership North of England collieries; knowledge of all up-to-date methods; age 38. — For references or interview, apply, Box 7274, Colliery Guardian Office, 30 & 31, Furnival-street. Holborn, London, E.C. 4. Wanted, a Representative for Yorkshire and the Midlands by a large firm of Wire Rope makers, with a good connection.—Box 7275, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. /Colliery Wanted. £150,000 to £500,000. Particulars strictly private.—Box 7262, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Hut for Sale, New, 60 ft. by 15 ft., sectional, complete with fittings, felt, etc. (similar to Army hut).— Write, “ HITT,” c/o MAY &, WILLIAMS, 160, Piccadilly, W. 1. For Sale, Colliery in Northumberland ; worked now in a small way. Coal is won by a drift which proceeds half-a-mile to faces. No gas, natural ventilation by drift and upcast shaft, natural drainage, and good hard roof. Great demand for output, and capable of large development in royalty of one thousand-acres.—Apply, Box 7258, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. For Sale, about 500 good Scaffold Poles. 7/11 ft. long; also large quantity of TIMBER. T. C. JONES &. CO. LTD., 95, Wood-lane, Shepherd’s Bush, London, W. 12. Larch Pit Props for Sale; any area. Several hundred thousand pieces; 2£ in. tops, 3 in. tops. Any lengths desired. State quantity, and best price delivered colliery sidings — Box 7256, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. T?or Sale, Larch Pit Props, 5 in., in 1^ 6 in. to 8 in. dia. tops ; also PINE PROPS. Any length cut. STEPHENS, 50, Alban-road, Llanelly. For Sale, £50,000 Colliery; going concern. —-Apply, Box 7263, Colliery Guardian Office, 30 & 31, Furnival- street, Holborn, London, E.C. 4.