June 19, 1914. ___________________________ 1398 _____________________________________ THE COLLIERY GUARDIAN. COITEHTS. Editorial Articles :— ] The Manchester Exhibition. ............................. Oil Fuel for the Navy ............................... Signalling and Explosives .................... Colliery Owners and the Law of Support..... Articles :— Depth of Shafts in Westphalian Mines ........... Labour and Wages___ .......................... Mr. D. A. Thomas on American Competition_____ Unemployment Insurance _______................... Influence of Electrical Resistances on the Igniting Capacity of the Spark ...................... Rescue Rules................................ The Witton Works of the General Electric Co.... Simplex Valve Reseating Machine ............. Motor Lorries .............................. Pit Rail Fastenings _________...................... Mining and Other Notes ...................... Open Contracts..................................................... The Freight Market ......................... Book Notices................................................... Removal of Carbon Monoxide from Air., and Methods of Estimation in Mines ............. Permitted Explosives _______.................... Miners" Relief .............................. Mine Managers" Examinations................. Abstracts of Patent Specifications Recently Accepted New Patents Connected with the Coal and Iron Trades ................................... Government Publications .................... Publications Received ....................... Obituary................................... Second Northern Colliery & Mining Exhibition— Opening Ceremony ....... The Exhibits ....................... Parliamentary Intelligence .................. ............................. Law Intelligence ........... Continental Mining Notes .. Notes from the Coalfields ........... Coal, Iron and Engineering Companies ........ Stock and Share List...... Indian and Colonial Notes ... ..... The Coal and Iron Trades .... The By-Products Trade ... The London Coal Trade ... The Tin-plate Trade ..... Reports of Meetings :— Mining Institute of Scotland.................. North of England Institute of Mining and Mechanical Engineers ...................... Letters to the Editors : — Factor of Safety ............................. ............................. Miscellanea :— Miners" Phthisis on the Rand ................. Hull Joint Dock ............................ Inundation in Wales—The Senghenydd Prosecu- tion ............................................. Monmouthshire Colliery Officials" Association— Partnerships Dissolved...................... Immingham Coal Exports—Grimsby Coal Exports Hull Coal Exports ........................... PAGE 1399 . 1399 . 1399 . 1400 1397 1400 1406 1407 1411 1412 1412 1413 1414 1414 1415 1416 1418 1418 1420 1420 1422 1424 1424 1430 1430 1430 1430 ..........1381—1383 1383—1394, 1403, 1404 1405 1406 1406 1409 1416 1408 1422 1395—1397, 1401,1402 ................... 1397 ............... 1397 ............... 1411 1413 1415 1415 1401 1405 1407 1415 1420 1424 _______________________________________ ADVERTISEMENTS. ______ Offices for ADVEBTISE^IEOTS ami POBLreATIO^- 30 & 31, Fswmva! Street, OloOberrij) Leaden, E.O. 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. 'k . ,. aj I per insertion for each 99 19 <58 • vd» 7 • 1* -3 XT „ 13 „ 3s. 6d. ) mohm depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. 10s. Od. per inch per insertion. 9s. 6d. „ „ 9s. Od. ,, „ MISCELLANEOUS ADVERTISEMENTS: Advertisements are inserted on the last white page or leader page at the following rates:— One insertion Three insertions Six insertions ... 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 1444.) ___________________________________________ SUBSCRIPTIONS. ______ The Colliery Cuardian, 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 ••— f For the United Kingdom_______ <£1 1 O For Foreign Countries and Colonies <£17 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 HAarks. ■ris 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. 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 tt e SECRETARY, Clarence Chambers, Gloucester. _________________________________________ The Oldest Diamond Drill Company. Established 1872. TWRING for JLJ’’ lyiNERALS. SPEED AND CERTAINTY. CYLINDRICAL “ CORES.” TOE WM fiW ©0. Lto. 8t35¥okk ton, 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. An University Training at Tour 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. (Dept. C.) CAK1BRIAH RJINiNC SCHOOL, PORTH, Clam. ______________________ For Sale or Hire. ALWAYS IN STOCK. QUICK DESPATCH. TH0? W. WARD Ltd.,. Sheffield. Telegrams—“Forward.” Telephones—4321 (6 lines). The UNIVERSAL MINING SCHOOL (Estab. 1883) is conducted by T. A. SOUTHHRN (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. IT.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. BORING for MINERALS, &o. Solid Specimens of the Strata obtained. Established 1888. Work guaranteed. J. S. DAVIDSON & SON, St. Bees, CUMBERLAND. fa _____________________ Briquette Machinery Ltd., 161, Water Lane, LEEDS. Machinery for Briquetting Peat, Lignite, Coke, Coal, Iron, Copper, Nickel, Cement; Also Sawdust, Waste Cereals, Offals, Sewage. PATENT COAL DRIER. ___________________ AND CO. LTD. --- FOR COLLIERY PLANT See Illustrated Page Advertisement in June 12 issue. “CROWN” BOILER COVERINGS encased in STEEL SHEETING. Simple, Cool, Strong, Removable. Cannot be impaired however intense the heat. 96°j0 SAITIBG in Radiation. Highest Economy, Longest Service. Nearly 5,000 Users. SUTCLIFFE Bros., Union Works, Godley, nr, Manchester. for : ¥I¥I«S BOWS . COMPANY- J VkOK*'84Mies of Borings ComplekL<®F \\ WORK GUARANTEED. ' rv?2 YEARS* R1 e THE LEADING MINING JOURNAL OF THE WORLD. MINES AND MINERALS. AN ILLUSTRATED JOURNAL OF METAL AND COAL MINING. Published by the COLLIERY ENGINEER CO., Scranton, Penna., U.S.A. It does not publish generalities. It gives its readers Details. The largest and best journal of its class. Subscription, post paid _________ 10/6 per ann. KEGAN PAUL, TRENCH, TRUBNER & CO. LTD. Broadway House, 68-74, Carter Lane, London, E.C. Geo, N. Dixon & Co 43, Castle Street, Liverpool, Auctioneers and Valuers, dOLlIEEUES, Brickworks & Minin? Plant. ______________________________________ YEADONS’ LATEST PATENTED __________________________________________ For Coal, Coke, Iron and other Ores ________________ | YEAMN, SON & CO., I Engineers, LEEDS, I Have a World=wide Reputation, and 3 8 Years’ | Experience. I They have supplied MORE BRIQUETTE | PLANTS than any other firm in this country. Complete Installations Erected in ENGLAND, INDIA SCOTLAND, ASSAM, _______________________ WALES, BRAZIL. IRELAND, WEST AUSTRALIA, Belgium, CANADA, FRANCE, SOUTH AFRICA, ' SPAIN, UNITED STATES, ITALY, ARGENTINE REPUBLIC, AUSTRSAg STRAITS SETTLEMENTS RUSSIA, TURKESTAN, GERMANY, SERVIA, NEW SOUTH WALES, ____________ Full Particulars on Application ______________________________ ___________________________________ 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— MOXON Crown Inn, High Green, near SHEFFIELD. ____________________________________________________ /Cotton Waste.—Wanted. Gentleman with connection among collieries and works in Midlands and South Yorks. to sell cotton waste on commission.—Box 5698, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn London, E.C. "A/Tining Engineer, Certified Colliery 1 V M . Manager and Surveyor, desires an appointment at home or abroad'; experience over 22 years ; extensive experience in pumping, steep measure seams, managing labour. &c.; good civil engineer, aged 40. excellent health. —Bos 5700, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. anted for Midland Colliery. Under- MANAGER with first or second class certificate; must be energetic and thoroughly practical man.—Apply, giving age, experience, wage required, and when at liberty, to Box 5703, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. /Colliery Agent, with valuable connection in London and South of England, will be glad to hear from colliery requiring reliable representative to place house and manufacturing coals.— Address, Sox 5705, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. GLAMORGAN COUNTY COUNCIL. APPOINTMENT OF LECTURER IN MINING. The Education Committee require the services of a MINING LECTURER. The Candidate appointed must be at least 25 years of age and be qualified to teach the subjects of the Glamorgan Mining Course, must reside where directed bv the Committee, and devote his whole time to his duties. Salary £150 per annum rising by annual increments of £10 to a maximum of £200 per annum, together with travelling expenses according to scale. Canvassing, directly or indirectly, will disqualify. Applications, made on forms (which may be obtained on receipt of a stamped addressed foolscap envelope) must reach the CHIEF EDU- CATION OFFICIAL, County Hall, Cardiff, not later than the 2nd July, 1914. June 17th, 1914. -P QO DOO required in one or smaller OW Vz 5 x_z V_z Vz sums ; to be spent on opening up new seams of a profitable working colliery; genuine and remunerative investment.— Principals giving references, address Box 5704, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. The Proprietor of the Patent No. 2705, of 1911, for “ Method and Apparatus for Cooking Briquettes,” is desirous of entering into arrangements by way of license and otherwise on reasonable terms for the purpose of exploiting the same and ensuring its full development and practical working in this country.—All communications, to HASELTINE, LAKE & CO., Chartered Patent Agents and Con- sulting Engineers, 2d, Southampton Buildings, Chancery-lane, London, W.C- 4