THE COLLIERY GUARDIAN. January 18, 1918. 128 OBIMIJJ_LL'LL1!!.1,. KJ'.'.'LL""1.1 !'!■■-.. -L.— CONTENTS. Editorial Articles page The Coal Export Trade in 1917................. 129 The Disaster in North Staffordshire .......... 130 O nr Half-Yearly Index........................ 130 Articles :— Coal and Shipping ............................ 119 Mining Thin Coals............................. 122 Incidence of Taxation upon Metalliferous Mining 123 Malleable Cast Iron .......................... 124 Coal Washing ................................. 125 South Wales Mining Timber Trade .............. 133 Mining Employment Statistics...................134 Mine Explosion in Staffordshire .............. 134 Obituary...................................... 134 Hopper Truck for Charging Coke Ovens ......... 135 Safe Compressive Stresses for Colliery Brickwork 135 Labour and Wages.............................. 136 The American Coal Trade ...................... 136 Military Service Bill, 1918 .................. 138 The Freight Market ........................... 138 Open Contracts ............................... 138 Abstracts of Patent Specifications Recently Accepted.................................... 138 New Patents Connected with the Coal and Iron Trades...................................... 142 Government Publications ...................... 142 Publications Received......................... 142 Catalogues, Diaries and Calendars............. 142 Reports of Meetings :— Manchester Geological and Mining Society...... 121 The Coal and Iron Trades......................130—133 The London Coal Trade ....................... 130 The By-Products Trade ........................ 132 The Tin-plate Trade........................... 132 Parliamentary Intelligence ...................... 134 Notes from the Coal Fields ...................... 135 Coal, Iron and Engineering Companies ............ 138 Miscellanea Scottish Oil Fields Development............... 123 Coal and Wheat Shipments—Exports and Imports of Mining Machinery.......................... 132 Exports and Imports of Coal Products—Controlling the Price of Ironstone in the Midlands....... 133 Potash Recovery in Pig Iron Manufacture— Cleaning Blast Furnace Gas—Imports of Pitwood —Partnerships Dissolved—Ireland's Coal Supply 134 A Portable Belt Conveyor ..................... 135 Institution of Civil Engineers—Railway Companies and Wagon Delays............................. 136 Effects of German Coal Shortage—Valves and Boiler Mountings: a 75-Year-Old Business..... 138 ADVERTISEMENTS. Offices for ADVERTISEMENTS and PUBLICATION— 30 & 311 Furnival Street, Holborn, London, E.C. 4. Telegraphic Address—“Colliery Guardian, Fleet, London.** Telephone—1354 Holborn. ENEMY ADVERTISING. This Journal is conducted in the interests of British industry and of commercial and technical intercourse between the British Dominions and friendly Nations. Subject to the conditions of Peace, its pages will not be available for assisting the recovery of markets for German and Austrian goods. CONTRACT ADVERTISEMENTS : Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS:— Single Column (3 inches wide) : For 52 insertions 2s. 9d. } insertion for each „ 13 „ 3s. 9d. 5 inch m dePth- Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. Establiah®d 1866. PATENTS, DESIGNS, and TRADE MARKS. TT 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. JL New Inventions, Designs, Trade Marks, carefully and promptly protected at low INCLUSIVE FEES. THE CONSULTING PATENT AGENCY (1880), 253, Gray’s Inn Road, London, W.C. 1. Wanted, Colliery Electrician, used to A.C. and D.C. Plants, well up in signals, telephones and all colliery work, to take charge of shift.—Apply, stating age, wages required, full details of experience and particulars of exemption, if any, from military service, Box 6950, Colliery Guardian Office, 30 A 31, Furnival-street, Holborn, London, E.C. 4. 'VX^anted, Colliery Manager for South Y V Crop; 800 tons per day. Applicants must be of proved ability in similar position. Apply, with copies of references and full particulars of experience, to Box 6951, Colliery Guardian Office, 30 & 31, Furnival- street, Holborn, London, E.C. 4. Quarry Manager Wanted for Large Road Stone Quarry, near Ludlow, experienced in management of men, suction gas engines, rock drills, and large breaking plants. Salary about £500.—Apply, stating age, present salary, experience, with copies two testimonials, J. C. MACKAY, Hatterall, Hereford. VENTILATING FANS AND ENGINES. See Advertisment appearing on front Cover of alternate weeks. THE WADDLE PATENT FAN AND ENGINEERING CO. LTD. Llanmore Works, Llanelly. WORK GUARANTEED. VIVIANS BORING COMPANY 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. 96°/0 SAYING Intensest Heat cannot Impair. SUTCLIFFE BROS. 'TaST’ Ain mnrn john baker & son. 11 I K I B* IRON AND STEEL WORKERS riBRR • II faW Thompson St. BILSTON TUB CORNER PLATES BUCKETS and BASKETS ARCHIBALD BAIRD & SON LTD., HAMILTON. Telegrams—Excello. Telephone—No. 57. sun ALL — Makers of — GUTTA PERCHA PUMP BUCKETS, RINGS & WASHERS. AND ALL COLLIERY REQUIREMENTS. Electrical Machinery See Illustrated Advt. PEEBLES in next week’s issue. BRUCE PEEBLES & Co. Ltd. Engineers. EDINBURGH. RAILS. RAILS. ALL SECTIONS AND ACCESSORIES. Also quantity F.B. suitable for bearers. Sleepers. Timbers. Switches and Crossings. Buffer Stops. Locomotives. Cranes. Wagons. ARMYTAGE & JONES Ltd., Sheaf Street, Sheffield. 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. R. GRAESSER Ltd., RUABON. BLACK VARNISH ( WOPRPESEBIVAT|’VE°’) CONTRACTORS TO BRITISH AND OTHER GOVERNMENTS. Telegrams: Established 1867. Telephone: “ Graesser, Buabon.” Code ABC 5th Edition. 3 Buabon. WANTED TO PURCHASE, Iron Scrap and Old Machinery. State District and whether can be loaded Free on Truck. ALSO SEND QUOTATIONS FOR.— IRON ORE, SLAG, OLD SCRAP LEAD, ZINC, and any other Metals on Rails. Box 6852, Colliery Guardian Office, 30 & 31, Furnival-st., 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, FAIROLOUGH * SONS, Bank-lane, Clayton, near Manchester. First - class Draughtsmen, with good general experience, Wanted by large controlled firm in South York- shire.—Apply, giving full particulars of experience, and salary required (inclusive of war bonus), to Box 6886, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Experienced Mining Engineer and SURVEYOR, M.I.M.E., F.S.I., etc., desires PARTNERSHIP in well-established practice. Would consider ASSISTANTSHIP with a view to Partnership.—Reply to Box 6957, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. First-Class Certified Manager (M.E. & E.E.) SEEKS APPOINTMENT. (Age 45.) Held managements on the Yorks, Derbyshire fields, &c.; also South African fields. Wide experience cutting, electric, up-to-date installations. Excellent references. Previous managements, &c.—Box 6954, Colliery Guardian Office, 30 A 31, Furnival- street, Holborn, London.E.C. 4. VXT anted, for South Yorkshire Colliery, V Y good all-round ELECTRICIAN, used to A.C. and D.C. work. Also good ELECTRICIAN, competent to wind armatures. State age, experience and wages required, and when available.—Box 6949, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.0.4. Geo. N. Dixon & Co. 43, Cattle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant VX/ealthy Capitalist Requires Large V V COLLIERY. Must be a going concern.—Full particulars in the strictest confidence to Box 6952, Colliery Guardian Office, 30 * 31, Furnival-street, Holborn, London, E.C. 4. LANCASHIRE AND CHESHIRE COLLIERY UNDER-MANAGERS ASSOCIATION. 6, Colin Street, Wigan Lane, Wigan (General Secretary: JAMES BUTLER). MEMBERS OF THE NATIONAL FEDERATION OF COLLIERY UNDER-MANAGERS OF GREAT BRITAIN. rphe Council desire to make an earnest 1 Appeal to all Under-Managers who are not yet members of any association to correspond with SECRETARY at the above Address, when Particulars of Membership will be forwarded, and Branches formed at Convenient Centres. For Sale, or to Let as going concern, near Cardiff, WORKS, with RAILWAY SIDINGS and CART-ROAD to same, commanding Railway, Colliery and Forge work. The whole length of the land adjoining Rhymney B. & M. & Pontypridd Npt. & A.D. & Railways (extending about 210 yards by 40, also pasture 100 yds. by 12, with Railways), containing about 12,400 sqr. yds., 2 leases 50/77 years to run. Established 1871. Also Residence right by with 3 Living rooms. Hall, &c., 3 Bedrooms, Bathroom, w c., and other accommodations, including Outhouses and Stables. Inspection invited. Owner resigning through age. ENGINEERING * BLY. WORKS & FOUNDRY, CAERPHILLY rUhe Proprietor of the Patent No. 5229 JL of 1912 for *• Improvements in and relating to Briquette Presses,” is desirous of entering into arrangements by way of licence and otherwise on reasonable terms for the purpose of exploiting the same and ensuring its full development and practical working in this country. All communica- tions should be addressed in the first instance to HASELTINB LAKE fc OO„ Chartered Patent ’Agents, 28, Southampton-buildings, Chancery-lane, London, W.C. 2. IN THE MATTER OF TRADING WITH THE ENEMY AMENDMENT ACT, 1916. Tie Public Trustee invites Tenders for the PURCHA.SE of 2,500 PREFERENCE SHARES of £1 EACH and £22,300 ORDINARY SHARES of £1 each, all fully paid, in the “ Ceag ” Electric Safety Lamp Company (Limited). The issued capital of the company consists of 2,500 Preference shares of £1 each, and 22,500 Ordinary shares of £1 each, all fully paid. The shares offered for tender are, with the exception of 3,600 Ordinary shares, vested in the Public Trustee as custodian, by an order of the Board of Trade dated the second day of February, 1917, made in pursuance of Section 4 of the Trading with the Enemy Amendment Act, 1916. The Company is the owner and lessor of the patents relating to the “ Ceag” Miners’ Electric Safety Lamp, and is financially interested in the manufacture of the lamp and parts. Before any tender is accepted the proposed purchaser will be required to make a statutory declaration that he is a British subject and that he is not buying for or on behalf of a foreigner, or foreign corporation, or corporation under foreign control. A report upon the result of the past operations and the present position of the company has been made to the Public Trustee by Messrs. Harper Brothers and Feather, Chartered Accountants, and this report can be inspected by those desirous of tendering, either at their office, 35, Great Tower-street, London, E.C. 3, or at the office of the Public Trustee, Kings- way, London, W.C. 2. Forms of tender may be obtained at the office of the Public Trustee, or at the office of Messrs. HARPBB BROTHERS & FEATHER, and all tenders will be subject to the conditions set out thereon. All tenders must be delivered in sealed envelopes, to the Public Trustee on or before twelve o’clock noon, on the 8th day of February, 1918, and must be marked “Tenders *Ceag’ Shares,” and successful tenderers will be advised of the acceptance, in whole or in part, of their tenders within one week thereafter. Tenders may be made for the whole or part of the shares. The Public Trustee does not bind himself to accept the highest or any tender, and reserves to himself the liberty to allot shares to several tenderers if he so desires. For Sale, one “ Guibal ” Fan and Engine, 40 ft. dia. by 11 ft. 6 in., cylinders 36 in. dia. by 36 in. stroke, box- type bedplate; also 1 “Schiele” VENTILATING FAN and ENGINE, fan 17 ft. 6 in. dia., engine cylinders 36 in. dia. by 4 ft. 6 in. stroke.—Further particulars obtainable on application to THE UNITED NATIONAL OOLLIBRIBS LTD., 20, Exchange, Cardiff. Both Fans and Engines may be inspected by appointment at Risca Colliery, Mon. For Sale.—Lancashire Boilers, 30 ft. by 9 ft., for 150 lb.; 30 ft. by 8 ft. 6 in., for 90 lb.; 30 ft. by 7 ft. 6 in., for 100 lb. and 90 lb.; 28 ft. by 7 ft. 6 in., for 100 lb.; 25 ft. by 7 ft., for 100 lb. CORNISH, 28 ft. by 6 ft. 6 in., for 160 lb.; 22 ft. by 6 ft., for 100 lb.; and 20 ft. by 5 ft 6 in., for 100 lb. RATCLIFFE A SONS, Hawarden Iron Works, Chester. For Sale, Hauling or Winding Engines, by Schram. Self-contained on steel frame. Drum 2 ft. 6 in., cyls. 6 in. and 9 in. A. UNDERWOOD, 3, Queen-street, London, E.C. 4. For Sale, Hauling Engines, pair 12 in, cyls., 18 in. stroke, with two drums 4 ft. 6 in., by Holman. A. UNDERWOOD, 3, Queen-street, London, E.C. 4. For Sale, Pulsometers (2), 5 in. and 7 in.; also about 250 ft. seamless FLANGED PIPING, BENDS, NON-RETURN VALVES, STRAINERS, &c. A. UNDERWOOD, 3, Queen street, London, E.C. 4. For Sale. —1,000 New Rectangular Creosoted RAILWAY SLEEPERS, 9 by 10 by 5. 1.000 Good Second-hand RAILWAY SLEEPERS, 9 by 10 by 5. 10/20 of 20 lb. FLANGE RA.ILS. Apply, M. J. DEVILLE A CO., Millhouses, Sheffield. We Want to Purchase 50 to 100 Ten or Twelve Ton COAL WAGONS, in one or more lots.—Par- ticulars to MEROHANTB, Box 6955, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. FOR SALE. Pair 16 inch and 10 inch Self-contained Colliery HAULING ENGINES, 2 steel drums on each, complete, ready for work, equal new.—PERKINS, 6, Windsor-terrace, Swansea. VXTanted, 20, 30, 40, 50 and 60 h.p. Y v Loco. Type BOILERS. Full particulars, where to be seen and lowest cash price, to— J. HIOKEY & SONS, Boilermakers, Richmond, Surrey. Telephone—Richmond 708. Telegrams—** Boilers, Kew Gardens.” For Sale, two Cornish Boilers, 16 ft. by 5 ft., practically new, insure 80 lb. Also large stock of Vertical and Loco. Type BOILERS, all pressures and sizes, ready for immediate delivery. Apply to— J. HIOKEY * SONS, Boilermakers, Richmond, Surrey. Telephone—Richmond 708. Telegrams—** Boilers, Kew Gardens.” Wanted, in good condition, 40-100-kw. GENERATOR, complete.—Box 6956, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. YXTanted immediately, a Second-hand Y V WINDING ENGINE; pair cylinders 26in. to 30in. diameter; winding drum not essential.—Apply— THB KEW SHARLSTON COLLIERIES CO. LTD., Sharlston Collieries, Normanton.