1138 ____________________________________________________________________________________________________________ THE COLLIERY GUARDIAN November 29, 1918. CONTENTS. Editorial Articles :— Page A State Mines Department .................. 1139 Our Mineral Oil Resources .................. 1139 Articles :— British Cannel Coal Deposits ................. 1131 New Coke Ovens at Fence Houses ............. 1134 The “ Strong ” Signalling Apparatus .......... 1134 Electric Power Supply ...................... 1134 Direct-Current Armature Trouble............. 1135 Kimmeridge Oil Shale ...................... 1136 Coal Mining in Queensland during 1917 ....... 1137 South Wales Mining Timber Trade .......... 1143 The American Coal Trade .................. 1143 Labour and Wages ........................ 1143 Mean Magnetic Declination.................. 1145 Obituary .................................. 1145 Coastwise Shipments in October ..........___ 1148 Open Contracts ............................ 1148 The Freight Market ........................ 1148 Abstracts of Patent Specifications Recently Acptd. 1150 Nev/ Patents Connected with the Coal and Iron Trades .................................. 1150 Publications Received ...................... 1150 Letters to the Editors :— * The Theorem of Pythagoras ................. 1135 Reports of Meetings: — Coke Oven Managers* Association: Midland Section.................................. 1132 Miners’ Federation Conference ............... 1145 The Coal and Iron Trades ...............1140—1144 The London Coal Trade ..................... 1143 The By-Products Trade .................... 1143 The Tin-plate Trade........................ 1144 Law Intelligence ............................ 1144 Notes from the Coal Fields.................__ 1144 Monthly List of Recent Coal Literature..... 1146 Coal, Iron, and Engineering Companies......... 1148 Miscellanea .-— Anthracite for Domestic Use ................. 1132 Iron and Steel Wire and Wire Ropes ......... 1134 Coal Controller Still Urges Economy—The Damaged French Coal Mines ..........._____ 1135 Coal Cheaper in France—Coal Trade Benevolent Association_______ .......................... 1140 Progress of Redbourn Hill Iron and Coal Com- pany Limited —Institute,of Metals—Compensa- tion for.Pit Accident...................... 1143 Bunker Prices at Colon...................... 1145 Iron and Steel Manufacturers Released—High- Pressure bteam—German Coal Prices—Spitz- berg en Coal and Iron...................... 1148 Briey Iron Mines Undamaged................. 1150 _______________________________________________ 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. __________________________________________________ Established 1866. PATENTS, DESIGNS, and TRADE MARKS. TTARRIS AND MILLS, J--1- 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. SINKING CONTRACTORS. Tenders are invited for the Sinking of a 20 ft. PIT at Wyndham Colliery, Ogmore Vale. Specifications and particulars will be given on application at— ABER OFFICES, Ogmore Vale, S. Wales. COUNTY BOROUGH OF WARRINGTON. _______ ELECTRICITY DEPARTMENT. The Electricity and Tramways Com- mittee invite TENDERS either for part or the whole*of 10,000 TONS OF SLACK, to be delivered at the Electricity Works, Howley, Warrington, during Six Months commencing February 1st, 1919, in accordance with the conditions of specification, copy of which can be obtained from the under- signed on payment of One Guinea, which will be returned on receipt of a bona-fide tender. Five Shillings will be charged for extra copies of the specification. In the alternative the Committee invite TENDERS either for part or the whole of 20,000 TONS OF SLACK, to be delivered during the 12 months commencing February 1st, 1919. Tenders, addressed to the “Chairman of the Electricity and Tram- ways Committee, Town Hall, Warrington,” must be sealed with wax, and endorsed “Tender for Slack,” and delivered not later than 12 o’clock noon on Tuesday, December 10th, 1918. The lowest or any Tender will not necessarily be accepted. F. V. L. MATHIAS, Howley, Warrington. Borough Electrical and Tramways Engineer. CITY OF LEEDS. _________ ELECTRICITY DEPARTMENT. _______ ENGINES, ALTERNATORS and CONDENSING PLANT FOR SALE by Private Treaty. Offers are invited for the following Plant, discarded to make room for larger sets One 2,000-b.h.p. Triple-expansion Three-cylinder Vertical Beiliss ENGINE. One 2,000-b.h.p. Triple-expansion Three-cylinder Vertical McLaren ENGINE. Two Sets Horizontal Surface CONDENSING PLANT (by Mirrlees Watson), each having a cooling surface of 3,400 square feet, one set being equipped with Air-pumping Engine and Circulating Engine, and the other set with Air-pumpmg and Circulating Motors. Two 1,400-kilowatt Two-phase ALTERNATORS and EXCITERS. The plant is in good working order, and can be inspected by appointment. Offers will be considered for the whole or any part of the plant. The Specification, &c., may be obtained from the undersigned. The Corporation do not bind themselves to accept any offer. Offers are to be addressed to “ The Manager, Electricity Department, 1, Whitehall-road, Leeds.” 1, Whitehall-road, Leeds. C. NELSON HEFFORD, 23rd November, 1918. Manager. ASSOCIATION OF PRIVATE OWNERS OF RAILWAY ROLLING STOCK. Formed in 1891 for the Protection of the Hights 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 Cuildfoad 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. Unapproachably Successes. 5 2 H.M. Inspectors are U.M.S. Men. — Syllabus free. — THE UNIVERSAL MINING SCHOOL ») 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. ______________________________ 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. __________ 50 tlx 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. ________________________________________ 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. ________________________________________ 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). 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-STANNINGLEY 146. _________________________________________________ JOHN M. HENDERSON & COMPANY, King’s Works, ABERDEEN, would be glad to receive enquiries for STEEL CASTINGS, up to 3 tons in weight, for mining and general engineering purposes. JOHN M. HENDERSON & COMPANY, ABERDEEN. Telephones—Central 3162 (3 lines). Telegrams —“ Cranes, Aberdeen.” Wanted, for an important Colliery in the North Midlands, a MECHANICAL ENGINEER, with good technical and practical training. Must be competent to take charge of the erection, supervision and upkeep of good class modern colliery plant, including heavy winding and haulage machinery, mixed pressure turbines, etc. Age 35 to 40 years preferred.—Applications to give details of training and experience, and state salary required, with references or copies of recent testimonials, to Box 7233, Colliery Guardian Office, 30 & 31, Furnival- street, Holborn, London, E.C. 4. TTnder-Manager Wanted for Colliery in the Midlands, with experience in deep working, coal-cutting and gob fires.—Apply, stating age, experience and salary, to Box 7234, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn. London, E.C. 4. Draughtsman Wanted for urgent Government and high-priority work by manufacturers of Coal- handling Plant. State age, salary, and experience. Permanent position for suitable man. No person already employed on Government work will be engaged.—Box 7238, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. rattice Cloth. — Gentleman Wanted with influence amongst colliery managers and proprietors, to sell BRATTICE CLOTH on good commission only .—Address, FAIRCLOUGH & SONS, Bank-lane, Clayton, near Manchester. Wanted, for a Lancashire Colliery, a SURFACE FOREMAN to take charge of general surface work ; one with a knowledge of mechanics preferred.—Apply, giving references, experience, and salary, to Box 7228, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Enginewright Wanted for small Lanca- shire Colliery. Experience with pumps essential.—Apply Box 7240, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Practical Colliery Engineer (38) Desires POST as ENGINEER^or ENGINEWEIGHT; experienced in sinking and setting-out modern colliery plant; energetic and reliable; first-class references. — Box 7243, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, a First-class Draughtsman, preferably accustomed to Colliery work. —Apply by letter, stating age, experience, and salarv required, to the MINING OFFICE, THE STAVELEY COAL AND IRON CO. LTD., near Chesterfield. i n t e d, Assistant Superintending ENGINEER to supervise erection of bye-product coke oven installations.—KOFFERS, 301, Glossop-road, Sheffield. ______________________________________________________________ Required for Colliery in Bengal, India, the SERVICES of a MINING ENGINEER, aged about 30 years. Applicants must have practical and theoretical knowledge with good training in labour control and colliery administration, and must hold a first- class colliery manager’s certificate. Agreement for 4 years. Salary Rs. 600, rising to Rs. 750, with free passage to India, and free unfurnished quarters. Successful applicant must be prepared to sail in December. Address, “ M.,” c/o POTTLE & SON, 14, Royal Exchange, London, E.C. TO COLLIERY PROPRIETORS, COAL EXPORTERS AND OTHERS. J?PC Invested will Securea Con- •) V_z v_Z trolling Interest in a Northumberland Colliery, ' Capable of Yielding an Output of 300 Tons per day when fully developed. Containing two Virgin Coal Seams in addition to excellent Beds of Fireclay, and situated near Shipping Port. This is a splendid Colliery Proposition, with excellent prospects. Apply (principals only), in the first instance, to Box 7247, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Coal Factors and Merchants (old estab- lished) DESIRE INTEREST in COLLIERY. Capital available.— Particulars, in strictest confidence, Box 7248, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London. E.C. 4. Colliery (small) for Disposal. Strong reserves of excellent coal advantageously placed.—Apply, Box 7241, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. _____________________________________________________________ PAINTING CONTRACTS. Firm completing large Contracts, now OPEN for further large WORK; Engineering Works, Bridges, Hazardous Work, &c., any part of U.K.—For full particulars, write to Box 7246, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. PRELIMINARY ANNOUNCEMENT. Wheatley Kirk, Price & Co. have received instructions to SELL by PUBLIC AUCTION, piece- meal, at the Bromfield Colliery, Mold, near Chester, early in January, the whole of the PLANT, MACHINERY, STORES and other EFFECTS. The catalogue will include Lancashire and Cornish Boilers; Horizontal and Vertical Engines; Loco., Overhead and Derrick Cranes; Portable Engines and Boilers; Boring and Facing Lathes; Wagon and Cart Weighbridges; several hundred tons of Girders, Joists, Steel Plates, Rails, Pipes, Angle Iron, Bolts, Nuts, Rivets, etc., etc.; Steel Wire Rope, Belting, Hydraulic Jacks, Pneumatic Drills, Steam Hammers, Motors, Fans, Shafting, Steel Tub in?, Timber, and a large quantity of other material. For further particulars see future announcements. Catalogues (in course of preparation) may be obtained shortly from THE AUCTIONEERS, 16, Albert-square, Manchester. ________________________________________________________ T?or Sale, 500 to 1,000 tons Better Bed 1 ’ FIRECLAY.—For particulars, apply, Box 7244, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. For Sale, two Vertical Engines with boilers attached. Ready for immediate work.—Box 7250, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4. Wanted, Double-cylinder Worm-geared CAPSTAN, to lift 5 to 20 tons. THOMAS JOHNSON, Prescott-street, Wigan. Two Evans Cornish Sinking Pumps for SALE, each 16,000 gals, per hour; also other Sinking Material.— Apply, Box 7242, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. 4.