1190 THE COLLIERY GUARDIAN, May 29, 1914 CONTENTS. Editorial Articles :— page A New-World Strike..........<............. 1191 Factor of Safety .......................... 1192 Articles The Coiling of Winding Ropes on Drums..... 1179 Parkin’s Signal Bell ..................... 1180 The Senghenydd Explosion.................. 1181 The Protection of Electric Haulage Gear... 1183 Underground Central Signal Boxes in German Mines ................................... 1181 A Few Practical Observations on Gas Testing . 1185 Explosives in Coal Mines.................. 1189 Labour and Wages.......................... 1192 Coal and the Chemistry of its Carbonisation . 1195 Obituary................................. 1198 A Patent Swivel Nib Drawing Pen.......... 1199 Mining and Other Notes ...................... 1199 Book Notices............................. 1202 The Freight Market ............(............. 1202 Open Contracts............................ 1202 Abstracts of Patent Specifications Recently Accepted 1208 New Patents Connected with the Coal and Iron Trades................'................ 1210 Government Publications .................. 1210 Publications Received .................... 1210 Continental Mining Notes ................... 1194 Notes from the Coalfields .................... 1196 Law Intelligence ....................‘........ 1199 Parliamentary Intelligence .................... 1201 Monthly List of Recent Coal Literature......... 1204 Coal, Iron and Engineering Companies ......... 1206 Stock and Share List...................... 1200 The Coal and Iron Trades ........ 1187—1189, 1193,1194 The London Coal Trade .................... 1189 The By-Products Trade .................... 1189 The Tin-plate Trade ..................... 1189 Report of Meetings:— The Mining Association of Great Britain... 1186 Letters to the Editor:— Electric Lamps in Mines—Senghenydd Report— The Schoeller Miners* Lamp Gas Detector- Approved Safety Lamps for Mines.......... 1199 Miscellanea :— Manchester Steam Users* Association ...... 1180 Immingham Coal Exports—Grimsby Coal Exports 1184 A French Gas Indicator ................... 1194 Peat at Alsager .......................... 1201 Hull Coal Exports—Partnerships Dissolved . .. 1202 Smoke Abatement Committee ................ 1203 ADVERTISEMENTS. Offices for ADVERTISEMENTS and PUBLICATION— 30 & 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. . „ 26 „ 3s. Od. J msertion for each „ 18 „ 3s.6d. j inch m 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. Od. 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 1212.) 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, payable in advance ••— For the United Kingdom..... £1 1 O For Foreign Countries and Colonies JB1 7 6 When foreign subscriptions are sent by Post Office Orders, advice should be sent to the Publishers. Offices for Advertisements and Publication—30 & 31, Fur- nival Street, Holborn, London, E.C. Telegraphic Address—“ Colliery Guardian, Fleet, London.” Telephone—1354* Holborn. Established 1866. Patents, Designs and Trade Marks. Harris and Mills, Chartered Patent Agents, 34 and 35, HIGH HOLBORN, LONDON, W.C. Telegraphic Address—** Privilege, London.” Tel. No. Holborn 2763. Circular of useful information and prices for British and Foreign Patents post free. Chart of 187 Mechanical Motions with description of each, post free 6d. VENTILATING FANS AND ENGINES. Sm appearing on front Cover of alternate IFaskfli THE WADDLE PATENT FAN AND ENGINEERING CO. LTD. Llanmore Works Llanelly. WG fob minerals, J^VJxlllJtLlJJjj24O WATER AND BRINE * Boreholes for Prospecting in Underground Workings a Speciality. VIVIAN’S BORING COMPANY, PARKSIDE, CLEATOR MOOR. OVER 84 MILES OF BORINGS COMPLETED. Established 42 years. Largest experience. Telegrams—’‘Vivians, Parkside, Cleator Moor.” The Cambrian School of Mines, CEMETERY ROAD, PORTH, GLAM. An University Training at Your Own Home. Lessons and Instruction by Post for candidates for FIRST and SECOND Class Mine Managers’ and Mine Surveyors’ Home Office Examinations; Surveying and Electrical Engineering for London City Guild’s Examina- tions; also A.M E.E. Examinations and Government Inspectors’ Exams. Candidates for the above write without delay for free Syllabus, and book of Previous Examination Questions. (Deft. C.l CAMBRIAN MINING SCHOOL, PORTH, Cl.H, BORING for MINERALS, &o. Solid Specimens of the Strata obtained. Established 1888. Work guaranteed. J. S. DAVIDSON & SON, St. Bees, CUMBERLAND. The UNIVERSAL MINING SCHOOL (Estab. 1883) is conducted by T. A. SOUTHERN (late H.M.I.M.) and H. W. HALBAUM (Greenwell Medallist), men qualified to prepare you for the highest mining positions. The U.M.S. is the surest road to pro- motion. U.M.S.,men obtain and hold nearly all the best positions. For example, 48 of H.M. Inspectors are U.M.S. men. Lessons by post only. Syllabus and advice free. Write to Dept. C.G., THE U.M.S.. 50, Connaught Rd., CARDIFF. YEADONS’ LATEST PATENTED BRIQUETTE MACHINERY, For Coal, Coke, Iron and other Ores. YEADON, SON & CO., Engineers, LEEDS, Have a World-wide Reputation, and 38 Years’ Experience. They have supplied MORE BRIQUETTE PLANTS than any other firm in this country. MHBHHHHMHHHHBIMHHHHHHHIliMHMHBHHHHHHHI Moxon’s Practical Ideal System of Working and Ventilating a Mine. The only system that will prevent spontaneous com- bustion in coal mines, and provide for larger outputs and greater safety. My system is a natural law which cannot be patented, and cannot be given away, whether actually discovered or not, although it is the common property of all. My price is £50,000, which is not one-half of its actual value. Money returned if not what it is repre- sented to be. Apply to— E. MOXON, Crown Inn, High Green, near SHEFFIELD. RAILS ARD ACCESSORIES. V WAGONS ALWAYS IN STOCK. QUICK DESPATCH. TH0? W. WARD Ltd., Sheffield. Telegrams—“Forward.” Telephones—4321 (6 lines). / ^oal Salesman wanted by large firm of merchants having control of pit outputs; special connection in Mediterranean necessary ; should speak French and Italian—Give full particulars, experience, age, and salary required. Box 5683, Collieri Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. /Colliery Salesman. — Advertiser seeks post as SALESMAN, 10 years’ experience of Yorkshire, Lancashire, and Lincolnshire markets ; a?e 35: highest references.— Apply, Box 5685, Colliery Guardian Office, 30 & 31. Furnival-s.treet, Holborn, London. E.C VYTanted, experienced Manager for ▼ Y colliery in South West of England ; knowledge and experience in the working of haulages, and experience in working on highly inclined seams is essential.—Apply, “Z.,” Box 5687, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. TYTanted for a Colliery, competent V Y M ECHANIC who must have had experience with Cornish pumps and endless haulage work.—Apply, “Y.,” Box 5686, Colliery Guardian Office, 30 & 31. Furnival-street, Holoorn, London, E.C. f 'ioal Factors.—Wanted, Managing Clerk to take charge of Liverpool office: must have thorough knowledge of the trade, bunkering works, Ac.—Apply in strictest, confidence, stating experience, age, and salary required, to W. H. BOWATEB LTD,, Stephenson-place, Biimingham. Geo. N. Dixon & Co., 43, Castle Street, Liverpool, Auctioneers and Valuers, COLLIERIES, Brickworks & mining Plant. / Colliery Enginewright wanted, good V_y mechanic and electrician.—Apply, stating age. experience and salary required, to T. A. LAWTON, Tibshelf Collieries, Alfreton. A Private Company in N. Staffordshire having an extensive field of coal, ironstone and ganister, at present worsing seam of coal electrically, with good markets, invite Capital for extension.—Box 5680, Collitry Guardian Office, 30 & 31, Furnival-street, Holborn. London, E.C. Wanted, end September for Bengal, an ASSISTANT MINING ENGINEER, about24/26 years of age, first-class colliery manager’s certificate, thorough knowledge of modern colliery engineering, conversant with workshop practice and handling of pumping plant; terms, four years’ agreement; salary Rs. 300 per month,, rising by increments of Rs. 25 per month each year; free quarters and second-class passage out and home.—Application, with copies of testimonials and references, to be addressed to Box 5690, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. /Colliery Cashier and Chief Clerk requires V_7 engagement, similar or Secretarial post; 20 years’ practical, colliery chiefly, and other lines, commercial experience; competent bookkeeper, confident, capable introducing complete sound thorough practical system if necessary; undeniable high-class 20 years’ references ; enquiries solicited.— Box 5684, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn,. London, E.C. PRELIMINARY ANNOUNCEMENT. THE NEWSHAM COLLIERY CO. LTD. he Westholme Colliery, near Winston, in the County of Durham, having direct access to the North Eastern Railway and equipped with modern Plant capable of dealing with an output of 1,000 tons per day, will be offered for SALE by AUCTION at an early date. Particulars are in course of preparation and will be supplied by W. B.. PEAT A CO., Chartered Accountants, Middlesbrough; and LUCAS,. HUTCHINSON A MEEK, Solicitors, Darlington. COAL AND COKE. The Guardians of the Poor of the Parish of St. Mary, Islington, are desirous of receiving TENDERS for the- supply of COAL and COKE from the 1st day of July, 1914, to the 30th day June, 1915. Sealed tenders endorsed “ Tender for Coal and Coke,” and addressed to- the Guardians, must be delivered at the Guardians’ Offices, St. John’s-road, Upper Holloway, N., on or before the 9th day of June, 1914. The tenders will be opened at a meeting of the Guardians, to be held on Thursday, the 11th day of June, 1914, at the undermentioned offices. The Guardians do not bind themselves to accept the lowest or any tender. Printed forms of tender (which alone will be received) and which contain^ conditions of contract and estimated quantities, must be obtained from the Clerk personally or a stamped addressed (brief size) envelope may be sent. Guardians’ Offices, By order. St. John’s-road. Upper Holloway, N., EDWIN DAVEY, 21st May, 1914. Clerk. EASTBOURNE GAS COMPANY. TENDERS FOR COAL. T^he Directors are prepared to receive _A_ TENDERS for the supply of 20,000 to 40,000 tons of Clean, Dry, Unscreened, Fresh-wrought GAS COALS, delivered at Eastbourne Railway Station during the year ending 31st Augusr, 1915. The deliveries to be in about equal monthly quantities. Payment in cash monthly. Particulars and Forms of Contract may be obtained from the Secretary. The Directors do not bind themselves to accept the lowest or any tender. They also reserve the right to accept the whole or a part of any tender received. Tenders sealed and endorsed “ Tender for Coals,” to be addressed to the Chairman of the Company, at the Offices, 10, Sussex-gardens, Eastbourne, on or before June 3rd. By order, JAMES 8. GABBARD, Secretary. TOTTENHAM URBAN DISTRICT COUNCIL. TO COLLIERY OWNERS, COAL AND COKE MERCHANTS, AND OTHERS. rPhe Council invite Tenders for the Jl. supply of COAL and GAS COKE for the period of twelve months- frotn the 24th June. 1914. Forms of tender can be obtained on application to the undersigned, at the Town Hall, Tottenham, any day during office hours. The Contractor will be required to pay all workmen on the Council’s work the recognised trade union rate of wages. A schedule of such wages will be inserted in the contract, and a copy of the schedule must be exhibited on the pay office at the works. Canvassing members of the Council is strictly prohibited, and if any members, agents or representatives of firms tendering for this work interview or canvass members of this Council, tenders sent in from such firms will be immediately disqualified. Sealed tenders on the form supplied, endorsed “Tender for-,” as the ca-e may be. to be delivered to me by twelve o’clock, noon, on Tuesday, the 9th Juue, 1914. No other form of tender will be received. Security will be required for the due performance of the contract. The Council will not be bound to accept the lowest or any tender, and reserve the right to accept a part only of any tender received. Tottenham, By order, 27th May, 1914. E. OBOWNE, Clerk of the Council. BIRKENHEAD CORPORATION. TO COLLIERY PROPRIETORS AND OTHERS. rPhe Corporation of Birkenhead are pre- JL pared to receive TENDERS for the supply of SCREENED COAL, THROLGH-AND-THROUGH,and COAL NUTS for gas making purposes, for a period of twelve months commencing from the 1st July, 1914, or thereabouts. Forms of tender, together with any further information, may be obtained frem Mr. T. O. Paterson, M.Inst.C.E., Gas Engineer, Gas Works, Birkenhead. Tenders (accompanied by copy of recent analysis), stating the price per ton delivered to the Gas Works Railway Siding, must be sent in to me, sealed and endorsed “Tender for Gas Works Coal,” not later than five o’clock in the afternoon of Wednesday, the 17th June, 1914. All deliveries to be made from time to time according to the require- ments of the Engineer. The person or firm whose tender may be accepted will be required to enter into a contract containing a clause as to the payment of the rate of wages and the observance of the hours and conditions of labour recognised and agreed upon between the trades unions and the employers in Birkenhead or in the locality in which the work for carrying out the contract is executed, as the case may be. The Corporation do not bind themselves to accept the lowest or any tender. Town Hall, By order, Birkenhead, JAMBS FEABNLBY, 22ud May, 1914. Town Clerk. NORTH BIERLEY UNION. TO COLLIERY PROPRIETORS AND COAL MERCHANTS. TNie Guardians invite Tenders for the JL supply of 800 tons of Screened ENGINE COAL and 400 tons of Best HOUSE COAL fortheir Institution at Clayton, near Bradford. Form of tender and particulars of delivery may be had on application, and must be returned to me not later than June 22nd. 4, Town Hall-street, Bradford, WM. G. OOOPEB, 25th May, 1 14. Clerk to the Guardians. CORPORATION OF CHELTENHAM. Tenders are invited for the supply of HOUSEHOLD and SMALL STEAM COAL for twelve months from the 1st July, 1914. Endorsed and sealed tenders, on forms to be obtained from the under- signed, are to be deposited not later than the 15th June, 1914. The lowest or any tender w ill not necessarily be accepted. Municipal Offices. Cheltenham, J. 8. PICKBBXNG, May 25th, 1914. Borough Engineer.