446 THE COLLIERY GUARDIAN August 30, 1918. CONTENTS. Editorial Articles:— Page • Coal Field Development ....;................ 447 German Trade After the War................... 447 j Articles :— I Coal and Shipping........................... 439 Coal Conservation Committee: Final Report... 441 Afforestation and Coal Mining .............. 443 Approved Safety Lamps ...................... 444 Coal Conciliation Board to Continue......... 444 The Waterlogged Coal Area in South Stafford- shire ..................................... 445 South Wales Mining Timber Trade ............ 451 Mining Industry and Military Service ....... 431 Mean Magnetic Declination................... 453 Labour and Wages ........................... 453 Open Contracts ............................. 456 Coastwise Shipments in July ................ 456 The Freight Market ........................ 456 Government Publications..................... 456 Publications Received ...................... 456 Abstracts of Patent Specifications Recently Acptd. 458 New Patents Connected with the Coal and Iron Trades ................................... 458 The Coal and Iron Trades ....................448 —451 The Tin-plate Trade......................... 448 The By-Products Trade ...................... 450 The London Coal Trade ...................... 451 Current Science and Technology ................. 445 Notes from the Coal Fields...................... 451 Monthly List of Recent Coal Literaturr.......... 451 Coal, Iron and Engineering Companies........... 456 Miscellanea :— Pit’s Mouth Prices in Staffordshire and Worcester- shire ................................... 440 Iron and Steel Scrap Order—American Briquette Production ............................... 444 Partnership Dissolved ...................... 445 Miners who Prefer Army Life................. 448 Pooling of Coal Supplies ................... 450 Proposed Federation of Coal Merchants—Exports to Denmark — Pitwood and Other Mining Timber .................................... 451 Mersey Coal Workers—Depreciation Allowances for Plant and Machinery.................... 452 Cast Iron Scrap Order ...................... 453 Economies on the Railways- Use of Various Grades of Coal in Boilers............... 456 Industrial Councils Scheme—London-Provincial Supplies—Self-cleaning Grates for Steam Boilers 458 ADVERTISEMENTS. Offices for ADVERTISEMENTS and PUBLICATION: 30 and 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. ) per insertion for each ", 13 „ 5s. 3d. ) meh in depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. 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. Advice Free. Ho£op£°6i09. A New Inventions, Designs, Trade Marks, carefully and promptly protected at low INCLUSIVE FEES. THE CONSULTING PATENT AGENCY (1880), 253, Gray’s Inn Hoad, London, W.C- 1. “COMRITE” JOINTINGS, SHEETINGS & PACKINGS, &c. The BEST for Steam, Hydraulic, and Highest Pressures. HOSE Delivery, Suction (Plain or Armoured), 11 *****■■ Seamless Woven Canvas. VALVES i WASHERS, «0. BALATA BELTING. ASBESTOS GOODS of all descriptions. Prompt Attention. Deliveries FROM STOCK, ------ Direct Service per G.W. Ry. - ALEX' COWRIE 8 SONS 23/27, Bridge St., SOUTHAMPTON. Tel. Add.—“ Coinrite, Southampton.” Tel. No.—1695 Southampton. THE ISCA FOUNDRY COMPANY LTD., RAILWAY PLANT $ GENERAL ENGINEERS, Switches,Crossings,Turntables, Water Cranss,Girders, Bridges, Roofs, Pipes, Pumps, Wagons, Tanks, Engines, Boilers Cranes. Works.- NEWPORT, MON. London Office-53, Victoria Street, S.W. 1. VENTILATING FANS AND ENGINES. See Advertisement appearing on front Cover of alternate voeelcs. THE WADDLE PATENT FAN AND ENGINEERING CO. LTD., ■ Llanmoae Works, Llanelly. WORK GUARAKTEEU COMPANY WE.GWVSeMSM, BORING fob MINERALS, &c. Solid Specimens of the Strata obtained. Established 1888. Work guaranteed. J. S. DAVIDSON & SON, St. Bees, CUMBERLAND. “CROWN’ BOILER COVERINGS of Outstanding Superiority. 967., SAVING Intensest Heat cannot Impair. SUTCLIFFE BROS. uTmSes?““y’ Electrical Machinery PEEBLES See Illustrated Advt. in next week’s issue. BRUCE PEEBLES & Co. Ltd. Engineers. EDINBURGH. 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. WRAGG & BIGGIN LT° Constructional Engineers, 50, Effingham Road, Sheffield, MANUFACTURERS OF English Steel Joists, Rivetted Girders, Flitch Plates, Angles, Tees, Channels, Constructional Steelwork, &c., SOLICIT YOUR ENQUIRIES. We hold a LARGE STOCK of all Sections for prompt delivery. Telegrams— Telephone— “ Girders, Sheffield.” 3873 Central. MINES REPORT, 1917 I!! WE regret a large number of profit- and coal-wasting CAGE SMASHES in districts where the competency and profitable nature of the HANLEY CAGE ARRESTERS is fully acknowledged. WE would ask shareholders to remember that it is unnecessary for their profits to be thrown to the sump, besides LOSS OF COAL. In some districts the use of cage guards has been fashion- able since 1870, so that new users need not lack precedent. WE cannot go on for ever ‘ desiring safety/ and at the same time omitting to use things necessary for preventing injury. This is 1918 instead of 1819.,,J’ Hum Office, Wakehall. Details : A. HANLEY, Thirlmere, Sheffield. GUARANTEED MATERIALS. INSULATING VARNISHES. WAGON PAINTS. W. W. Hill, Son & Wallace Ltd., Elton Street, Broughton Bridge, MANCHESTER. --- ESTABLISHED 1840. - Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. “VENTWAL” CANVAS TUBES FOR MINE VENTILATION. No skilled labour required. Made in London. SIEVEKING, PODMORE & CO., 57, Gracechurch St., E.C. 3 JOHN STANIAR & CO., Manchester, Eng. Wire Weavers & Metal Workers. Establisud otzb 100 Ybabs. -------- 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 3306 BOILERS For COLLIERIES —iiiimma A SPECIALITE, ■ ARNOLD’S Bulbous Boiler Flue. Hopkinson-West Patent Boiler Flue. WM. ARNOLD & CO., Barnsley. eneral Colliery Manager or Agent, thoroughly practical,, first-class cert., mechanical and electric engineer, DESIRES CHANGE. Experienced up-to-date sinking; design, erection and working of modern plant; coking and washing; cutting, haulage and pumping. Commercial experience over 16 years; excellent connection, gas, house, steam and shipping. Successful results and highest credentials.—Box 7111, Colliery Gtiardian 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, FAIBCIiOUGH & SONS, Bank-lane, Clayton, near Manchester. Engineer and Draughtsman Prepares DRAWINGS and ESTIMATES for Colliery Plant, Elevators, Con- veyors, Headgears, Ropeways, Steel and Ferro - concrete Buildings. — Box 7130, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. TTnder - Manager Wanted, for North Staffordshire colliery.—Apply in confidence, stating age, experience, and salary, to Box 7133, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, Young Mining Engineer for Drawing Office. Ineligible for military service. Salary £250, and prospects.—Box 7135, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Advertiser, Mining Engineer by pro- fession, age 46, SEEKS a POSITION in which tact, initiative, and a capacity for organisation would he appreciated. Has extensive experience of shaft sinking (wet and dry), heavy and light pumping, &c. Has also successfully managed labour (white and coloured) in other branches of industry, both here and abroad.—Address, Box 7136, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Traveller, smart energetic man of good appearance and education, with initiative and used to big turnover, wanted by Larere Firm of Coal Contractors. Very good position for suitable man. State fullest particulars of experience, age, salary, and when at liberty.—Box 7140, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. rpuition by Post.—Mechanical Engineering 1 of Collieries (Winders, Haulages, Pumps, Air- and Electrically- driven). Intended for Mechanics and Fitters. PENNINGTONS, University Tutors, 254, Oxford-road, Manchester. COUNTY BOROUGH OF WALSALL. ELECTRIC SUPPLY DEPARTMENT. PLANT FOR SALE. The Electric Supply Committee of the Borough of Walsall INVITE TENDERS for the following PLANT, at Wolverhampton-street Generating Station:— One Babcock BOILER, capacity 4,500 lb. per hour. One Stirling Boiler, capacity 12,000 lb. per hour. 4 in., 6 in., 7 in., 8 in. and 10 in. Steel STEAM PIPES and VALVES. 3 in. Feed WATER PIPES and VALVES. Two 500-h.p. Vertical 3-crank Compound STEAM ENGINES. SURFACE CONDENSING PLANT, complete with air and circulating pumps ; condensing area, 3,700 sq. ft. One 20-h.p. STEAM ENGINE, coupled to forced draught fan. One 8-h.p. do. do. do. do. One WATER PURIFYING and FILTERING PLANT, capacity 6,000 gallons per hour. Two 105 volt d.c. Direct-coupled STEAM GENERATING SETS capacity 152 amps. each. One LEA RECORDER. Sundry 3,000 volt Consumers’ TRANSFORMERS. Sundry 3,000 volt Consumers’ SWITCHGEAR. Sundry ARC LAMPS. The steam plant is suitable for a working steam pressure of 150 lb. All the plant is in good working order, and may be inspected by appointment. Further particulars may be obtained from the undersigned. Wolverhampton-street, Walsall. H. A. HOWIE, August 28th, 1918. Manager. OLD COLLIERY SITES. Wanted to Purchase Old Colliery Sites for planting, or otherwise improving. Address in confidence Box 7114, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. TYLanted, Coal Picking Band (Steel) W about 30/50 feet long by 4 ft. to 4 ft. 6 in. wide, with or without lowering jib. Full particulars and price to Box 7141, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. WANTED. Eails, 18-lb. section ; Also Narrow GAUGE RAILS, about 22-ins., with metal Sleepers preferred. Suitable for use in Colliery. Considerable quantities required. State full particulars, lowest price and where seen—Box 7139, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, Second-hand Hardy Puncher MA CHINE, must be in good condition. State price.—Box 7138, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4.