854 THE COLLIERY GUARDIAN. May 5, 1916. CONTESTS. Editorial Articles :— page The New French Coal Legislation ............. 855 Certificates of Competency................... 856 Articles Ferro-concrete Bunkers at the Brymbo Works, Wrexham ................................... 845 Miners* Wash and Change Houses ............ 847 Qualifications of Candidates for Certificates of Competency ................................ 849 The Late Lord St..Aldwyn .................... 850 Economy in Lighting.......................... 850 French Goal Taxation Bill.................... 850 Output of Minerals under the Coal Mines Acts During 1915 ............................... 851 The German Coal and Iron Trades.............. 852 Some Recent Decisions under the Workmen's Com- pensation Act ............................ 853 Mining Industry and Military Service ........ 853 Trade and the War ........................... 860 Compulsory Bill and Exemptions .............. 860 Obituary ......................;............. 860 Signal for Water Supply Tank............... 861 Foreign and Colonial Restrictions ........... 861 Book Notices................................. 861 Labour and Wages............................. 863 Open Contracts .............................. 864 The Freight Market .......................... 864 Abstracts of Patent Specifications Recently Accepted................................... 866 New Patents Connected with the Coal and Iron Trades.................................... 868 Government Publications ..................... 868 Publications Received ..................... 868 Catalogues and Price Lists Received.......... 868 Law Intelligence ............................ 850 Current Science and Technology................... 852 Indian and Colonial Notes ....................... 851 Parliamentary Intelligence ..................... 851 Notes from the Coal Fields ...................... 861 Coal, Iron and Engineering Companies ............ 864 The Coal and Iron Trades......................856—859 The London Coal Trade ....................... 860 The Tin-plate Trade ......................... 860 Report of Meeting :— Coke Oven Managers* Association ............. 846 Letters to the Editors :— Excess Profits Tax—Re Stone Dusting v. Coal Dust 850 Miscellanea :— Hull Coal Exports—Foreign Trade Enquiries— Staffordshire Iron and Steel Institute .... 849 Effect of War on Contracts................... 853 Partnership Dissolved ....................... 862 Newfoundland and Pit Timber.................. 863 Japan's Iron and Tin-Plate Trade ............ 864 Grimsby Coal Shipments....................... 868 “ Miners in Motor Cars "—Moscow Basin Coal... 859 Manchester Geological and Mining Society—The Nation's Coal Supply—Iron and Steel Institute —Daylight Saving—Scientific Research in Engi- neering.................................... 860 ADVERTISEMENTS. Offices for ADVERTISEMENTS and PUBLICATION- 30 a 31, Furnival Street, Holborn, London, E»C» 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 2s. 6d. Y per insertion for each „ 26 „ 3s. Od. _ ,, ”13 .. 3s- 6d. ) lnch ln dePth- Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. MISCELLANEOUS ADVERTISEMENTS : Advertisements are inserted on the last white page or leader page at the following rates :— One insertion ... 10s. 6d. per inch per insertion. Three insertions 9s. 6d. ,, ,, Six insertions ... 9s. Od. ,, ,, A reduction of 25 per cent, is allowed on advertisements of second-hand machinery. Situations Vacant and Wanted : One Penny per word, minimum 2s. 6d. (which must be prepaid). Can be received up to TEN o’clock on Friday morning. (A Classified List appears on page 870). SUBSCRIPTIONS. The Colliery Guardian, published at 2.30 p.m. on Friday, can be supplied direct from the Publishiing Offices, post free for twelve months, at the following rates, payable in advance :— For the United Kingdom.......... £1 3 6 For Foreign Countries and Colonies £17 6 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. TTARRIS AND MILLS, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. Telegraphic Address—” Privilege, London.” Tel. No.—Holborn 2763. 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. BORING foe j^INERALS. SPEED AND CERTAINTY. CYLINDRICAL “CORES.” FHE AQUEOUS WORKS AND DIAMOND ROCK-BORING Go. LTD. Guildford 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 Cambrian School of Mines, CEMETERY ROAD, PORTH, GLAM. PTiyicipal * WILLIAM THOMAS, M.Inst M.E., F.G.S., M.R., Society of Arts. Tutors—Staff of Highly Qualified Instructors in all subjects. An University Training at Your Own Home. Instruction and Lessons by Post for Mine Managers, Surveyors, Electricians, and Mine Inspectors. Since the coining into force of the New Mines Act 487 Students of this School have been qualified, as Eirst and Second-class Mine Managers. 58 students have passed the Home Office Surveyors’ Exam.-; 30 students are now Mines Inspectors. Candidates for the above write without delay for free Syllabus, and book of Previous Examination Questions. (Dept. G.) CAMBRIAN MINING SCHOOL, PORTH, Clam. I Briquette Machinery Ltd., : Charmouth Street, LEEDS. 1 Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. ! 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 (» 5 0, Connaught Road, Cardiff. SMALL to obtain DISTILLED WATER for BATTERY ELECTROLYTE, &c. Write—The Lawrence Patent Water Sterilizer Co. Ltd., Parliament Mansions, Westminster. Expert Advice on all questions arising1 out of IBCOME TAX, “EXCESS” PROFITS TAX, RELIEF to “CONTROLLED” ESTABLISHMENTS, LOCAL RATES, etc. THE MANUFACTURERS’ ASSOCIATION LTD., 110, Cannon-street, London, E.C. KNIGHT & PARTNERS, Auctioneers & Valuers to the Engineering Trades, beg to announce that their PERIODICAL SALE of Miscellaneous Machinery (by Auction) will be held at an early date, and Inwlte fuller entries of Machinery and Machine Tools* Last day for Entries extended to MAY 16th. Full particulars of the AUCTIONEERS, 31, Old Queen Street, Westminster, S.W. YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, j For Coal, Coke, Iron and other Ores. I ; YEADON, SON a CO., I Engineers, LEEDS, s | Have a World-wide Reputation, and 38 Years’ | j Experience. | | They have supplied MORE BRIQUETTE PLANTS I | than any other firm in this country. I COLLIERIES ’ and WORKS. Albion Works, SHEFFIELD. IIS* ------- Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & Mining Plant. AUCTIONEERS & VALUERS TO THE ENGINEERING TRADES. KNIGHT & PARTNERS, 31, Old Queen Street, Westminster, S.W. CORRESPONDENCE INVITED. SALES conducted in all parts of the Kingdom. APPOINTMENT REQUIRED. s Enginewright or Foreman by one fullv competent with all kinds of mining machinery; now at liberty. —Box 6378, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. rpraveller, with connection, colliery or _JL collieries and works, wishing to hear from manufacturers with offers. —THORP, 211, Eaton-crescent, Swansea. To Colliery Owners requiring temporary representation for period of the war; well known London firm will undertake duties for nominal expenses only.—Box 6372, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. Tpxperienced Colliery Manager in the JLJ counties of Derbv, Nottingham, and Leicester, desires engagement; educated and practical.—Box 6395, Colliery Guardian Office, 30 & 31, . Furnival-street, Holborn, London, E.C. Wanted, Situation Head Lampman ; practical experience making, charging, repairing electric lamps; ineligible. — Apply, Box 6390, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. tMolliery Enginewright required by the Nigerian Government for the development of a colliery in Nigeria for two tours of twelve months’ service with possible extension: age 25—45 ; salary £250. rising by annual increments of £10 to £300 per annum ; free passages and quarters: liberal leave on full salary in England after each tour of service —Applications, giving full particulars of age, experience, and names and addresses of referees, and enclosing copies of two testi- monials, to te addressed to J. CADMAN, E*q., C.M.G , 67, Wellington- read, Edgbaston, Birmingham. No person engaged on Government work need apply. Wanted, competent steady litter, accustomed to locomotives and steam navvies ; 45/- per week and 2/- war bonus.— pply, giving age, experience, references, and full particu- lars, to Box 6392, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. THE SHREWSBURY GAS LIGHT COMPANY. TENDERS FOR COAL. The Directors of the Shrewsbury Gas Light Company invite TENDERS for the supply of about20,000 tons of SCREENED GAS COALS, to be delivered free at the Great Western or London and North Western Goods Yard, Shrewsbury, during the year commencing July 1st, 1916, and ending June 30th, 1917. The Directors reserve to themselves the right to divide the quantity into two or more contracts, and do not bind themselves to accept the lowest or any tender. Tenders must be made on forms (containing further particulars) which may be obtained on application at the Company’s Works, or by post, and must be sent to the undersigned, on or before the 26th day of May, 1916. Gas Works, By order, Shrewsbury, WM. BELTON, A.M.I.C.E., 28th April, 1916. Engineer and Secretary. COUNTY OF LANARK. DISTRICT OF THE MIDDLE WARD. For Sale, S.C.A.T. Motor Ambulance, 22 h.p., 1909 model. The Ambulance may be seen at the County Hospital, Motherwell, and further particulars obtained from the Subscriber, with whom separate offers for the body and the chassis should be lodged not later than 16th curt. The District Committee do not bind themselves to accept the highest or any offer. Hamilton, W. E. WHYTE, 2nd May, 1916. District Clerk. NEATH CORPORATION GAS WORKS. “ TENDERS FOR GAS COAL. The Gas Committee invite Tenders for the GAS COAL required at the above Works during the year commencing 1st July next. Estimated quantity, 6,000 tons of Thro’-and- Thro’ Coal and 3,000 tons of Small Coal, but subject to the requirements from time to time of the Committee. The coal to be delivered into the Gas Works, situate at the Millands, Neath, in such weekly or monthly quantities as may be appointed by the Manager. Payments to be made monthly, subject to 2fc per cent, discount. Fuller particulars on application direct to the Gas Manager (W. Clark Jackson, Esq.), Gas Works, Neath. No forms of tender are issued. Sealed tenders endorsed ” Gas Coal Tender,” specifying the description of coal offered and the pits and veins from which raised, to be in my hands not later than 10 o’clock on Tuesday morning, 16th May. No tender necessarily accepted. The company or person whose tender is accepted must enter into the contract usually required by the Neath Corporation in such cases. Neath, EDWIN C. CURTIS. 26th April, 1916. Town Clerk. CONTRACT FOR COAL. Renders for the supply of Nottingham _JL HARD STEAM COAL (state pit) for University College Hospital, Gower-street, W.C., for 12 months from July 1st, 1916, will be received by the Secretary at the Hospital until noon Monday, May 15th. Average consumption 3,000 tons per annum. The Committee do not bind themselves to accept the lowest or any tender. Renders are invited for the supply of JL HOUSEHOLD and SMALL STEAM COAL for twelve months from 1st July, 1916. Endorsed and sealed tenders, on forms to be obtained from the under- signed, are to be deposited not later than 25th May, 1916. The lowest or any tender will not necessarily be accepted. Municipal Offices, Cheltenham, J. S. PICKERING, 4th May, 1916. Borough Engineer. For Sale, Sirocco Ventilating Fan, 80,000, 4 in. w.g.: Ordince ditto, 60,000, 4 in. w.g.; pair 24 by 48 Winders, 10ft. drum; Steam Set, 150-k.w., 3-phase, 50 periods, 500 volts.—WYNNE JONES, North Dock, Swansea. TXT anted, Lancashire Boiler, 24 ft. to V V 26 Tt. by 7 ft. 6in., suitable for a working pressure of 1001b. per square inch.—State where can be inspected and fullest particulars, to Box 6394, Coilitri Guardian Office,30 &31, Furnival-st., Holborn, London, E.C. The Powell Duffryn Steam Coal Co. Ltd. have for sale 4 sets of Babcock & Wilcox BOILERS— Full particulars and price can be obtained on application to the STORES MANAGER Aberaman Offices, near Aberdare.