76 THE COLLIERY GUARDIAN July 12, 1918. CONTENTS. Editorial Articles Page The New Fuel Order......................... *1*1 Silicosis .................................. *18 Articles :— Coke-Oven By-Products in 1917................. €9 Coal Prices Order ........................... 70 Earthing Electrical Services in Mines ....... 70 Air-carried Powdered Coal ................... 71 Silica Bricks .............................. *71 Distillation of Peat ............. ......... *1% The Safe Operation of Power-plant Switchboards 72 Mining Employment Statistics ................ 73 Miners* Federation Conference ............... 74 South Wales Mining Timber Trade ............. 81 Mining Industry and Military Service......... 82 Pulverised Coal for Industrial Purposes ..... 82 War Wages and Selling Charges ............... 83 The American Coal Trade .................... 83 Mean Magnetic Declination.................. 84 Explosives in Coal Mines..................... 84 Labour and Wages ........................ 87 Open Contracts ............................ 88 The Freight Market ......................... 88 Abstracts of Patent Specifications Recently Acptd. 88 New Patents Connected with the Coal and Iron Trades .................................... 88 Government Publications................. • •. 90 Publications Received ....................... 90 Catalogues and Price Lists Received.......... 90 Current Science and Technology .................. 75 The Coal and Iron Trades ......................78—81 The London Coal Trade ....................... 78 The Tin-plate Trade.......................... 78 The By-Products Trade ....................... 81 Parliamentary Intelligence..................... 81 Indian and Colonial Notes ....................... 82 Notes from the Coal Fields....................... 83 Letters to the Editors :— The Magnetic Needle ....................... 87 Coal, Iron and Engineering Companies............. 87 Miscellanea:— Fuel Shortage in Argentina—Italy’s Coal Supplies 70 The^University of Sheffield................ 71 Honours—South African Iron Industry—Miners Entombed by Liquid Moss ................... 75 New Shipment Charges......................... 78 Spanish Coal Miners’ Dispute................. 80 Graded Fuel Ration—The Coal Trade Benevolent Association ............................. 81 South Wales and Monmouthshire School of Mines—Coal Rationing in the United States— An International Trades Union Bureau ........ 84 Coaling Ports —Peat for Fuel................. 87 Colliery Workers’ Wages—Order Relating to Colliery Surveyors......................... 90 Offices for ADVERTISEMENTS and PUBLICATION— 30 A 31, Furnival Street, Holborn, London, E.C. 4. 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 3s. 9d. Der „ 26 „ 4s. 6d. [ F ,, 13 ,, 5s. 3d. J) 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. 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 :— United Kingdom ......... 28/6 (26/- in advance). Canada ................. 30/6 (27/6 do. ). Foreign and Colonial ... 33/- (30/- do. ). When foreign subscriptions are sent by Money Orders, payable through the Post Office, advice should be sent to the Publishers. % Established 1866. PATENTS, DESIGNS, and TRADE MARKS. ZTARRIS AND MILLS, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. 1. Telegraphic Address—“ Privilege, London.” Tel. No.—Holborn 2763. ARE YOU GETTING THE BEST OUT OF YOUR COAL? A “Lea” V. notch Recorder, by continuously measuring your Boiler Feed Water, would tell you and so help you to —; PREVENT WASTE. THE LEA RECORDER CO. LTD., Deansgate, MANCHESTER. “VENTWAL” CANVAS TUBES FOR MINE VENTILATION. No skilled labour required. Made in London. SIEVEKIN8, PODMORE & CO., 57, Gracechurch St., E.C. 3. 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 MINERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” THE AQUEOUS WORKS and DIAMOND ROCK-BORING Co. LTD CuiLDFOiiD 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) 50, 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. 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. ARMYTAGE & JONES Ltd<, SHEAF STREET, SHEFFIELD. RAILS. WAGONS. CRANES. (For all purposes). (Coal & Ballast). (Loco & Derrick). Boiler Tanks. Points and Crossings. Sleepers. Buffer Stops. Buyers of all kinds Steel and Iron Scrap. W. G. JENKINSON (BSTD. 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^e“ “TOLEDO” (APPROVED BY WOOLWICH ARSENAL). An Absolute Rust Preventer. WAGON AND COLLIERY PAINT & INSULATING VARNISHES. W. W. Hill, Son & Wallace Ltd., Elton St., Broughton Bridge, MANCHESTER. ---- ESTABLISHED 1840. - THE Corlett Electrical Engineering Co. Ld. T’phone— WTH K TV . T’gram- 63 Wigan. MAVIZ1A,. Corlett, Wigan.” Contracts Dept. - Ref. C.D. Manfg & Repairs Dept. - Ref. W.D. Stores Dept. - Ref. S.D. g q y/ Electric Lighting, '/ Electrical Power Engineers, / . Electrical Power Transmission. Geo. N. Dixon Co., 43, Cattle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. THE ISCA FOUNDRY COMPANY LTD., RAILWAY PLANT if GENERAL ENGINEERS, Switches, Crossings,Turntables, Water Cranes, Girders,Bridges, Roofs, Pipes, Pumps, Wagons, Tanks, Engines, Boilers, Cranes. Works ■. NEWPORT, MON. London Office—53, Victoria Street, S.W. 1. ARCHIBALD BAIRD & SON LTD., .-r* IL HAMILTON. Telegrams—Excello. r-Tt Telephone—No 57. — Makers of — GUTTA PERCHA PUMP VI BUCKETS, RINGS & WASHERS. AND ALL COLLIERY REQUIREMENTS. JOHN STANIAR & CO., Manchester, Eng. Wire Weavers & Metal Workers. Establisksd ovxk 100 Yxars. ---------- EVERY REQUISITE. --------------------- GAUZES in Silk and Wire. BRUSHES in Bristle, Weed, Fibre or Steel, for every known 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—** Gause, Manchester/' Telephone—City 3305 YUTAPS of tilae British Coalfields. Scotland. 2. North of England. 3. South Wales. 4. North Midlands. 5. South Midlands. Sheet, 4s. each; Mounted on Cloth on Rollers, or in Case, 6s. each.—THE COLLIERY GUARDIAN CO. LTD. 30 & 31, Fumival-street, Holborn, London, E.C. 4. THE KOPPERS' PATENT BYE-PRODUCT COKE OVENS AND NEW SYSTEM OF RECOVERING THE BYE-PRODUCTS GIVE RESULTS WHICH HAVE NEVER BEEN EQUALLED BY ANY OTHER SYSTEM. See large advertisement appearing in alternate issues of this Journal. All communications to be addressed to— THE KOPPERS’ COKE OVEN & BY-PRODUCT CO., 301, Glossop Road, Sheffield. Tel. No. 1935. Tel. Address—“ Kochs, Sheffield.” “COMPUTE” JOINTINGS, SHEETINGS & PACKINGS, Ac. The BEST for Steam, Hydraulic, and Highest Pressures. HOSE. Delivery, Suction (Plain or Armoured), " Seamless Woven Canvas. VALVES S WASHERS, «c. BALATA BELTING. ASBESTOS GOODS of all descriptions. Prompt Attention. Deliveries FROM STOCK. ------ Direct Service per G.W. Ry. - ALEX! COMRIE«SONS 23/27, Bridge St., SOUTHAMPTON. Tel. Add.—“ Comrite, Southampton.” Tel. No.—1695 Southampton. Wanted, for duration of war, competent COLLIERY SURVEYOR. Must be over military age, or ineligible for Army.—Apply, stating age, wages required, together with copies of three recent references, to THE BLACK PARK COI.I.IERY CO. LTD., Chirk, Denbighshire. Wanted, by large firm of Constructional Engineers, DRAUGHTSMAN, fully experienced in the design of modern coal washing plant, to take entire charge of department.—Box 7035, 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 only.—Address, FAIRCLOUGH & SON'S, Bank-lane, Clayton, near Manchester. Wanted, Assistant Colliery Electrician, capable of taking charge of 500-kw. turbo alternator plant in the absence of chief electrician, and to assist generally.—State age, exempt from military service, qualifications, salary required, and when at liberty, to Box 7090, Colliery Guardian Office, 30 & 31, Fumival-street, Holborn, London, E.C. 4. Wanted, competent Colliery Surveyor, for duration of the war.—Apply, stating age, experience, and salary required, to GENERAL MANAGER, Denby Colliery, near Derby. Mining Engineer, holding diploma qualification after 5 years’ course, and experienced in the working of cohl and metal mines, SEEKS POSITION, in England, the colonies, &c AddressfM. BACKAlj Bize (Aude), France.