t 1484 008 COLLIERY GUARDIAN. June 26, 1914.. COSsSTEHTS. Editorial Articles .•— page The Insurance Act and Colliery Maintenance Men 1485 The Stallman and Wages ................•.... 1485 The National Physical Laboratory............ 1485 Knighthood for the Chief Inspector ......... 1486 Articles :— The New Joint Dock at Hull.................. 1475 The Application of Coke-oven Carbonising and (t Otto33 Direct Ammonia Recovery to Gasworks Requirements ............................ 1476 B/E.M. Company Signalling System ......... 1477 Thermal Phenomena in Carbonisation ........ 1478 The “Eagle” Theodolite..................... 1479 Knighthood for the Chief Inspector ........ 1479 The Killingworth (New South Wales) Explosion ... 1480 Labour and Wages............................ 1486 Obituary................................... 1488 Unemployment Insurance .................... 1489 The L.C.C. and its Coal ................... 1492 Mining and Other Notes .................... 1493 The Freight Market ........................ 1493 Open Contracts......................... 1496 Abstracts of Patent Specifications Recently Accepted 1497 New Patents Connected with the Coal and Iron Trades ................................. 1500 Government Publications ................... 1500 Publications Received ...................... 1500 Catalogues and Price Lists Received......... 1500 Continental Mining Notes ...................... 1487 Parliamentary Intelligence .................... 1489 Notes from the Coalfields ..................... 1490 Coal, Iron and Engineering Companies .......... 1494 Monthly List of Recent Coal Literature.......... 1495 The Coal and Iron Trades ......... 1481—1483, 1487, 1488 The London Coal Trade ....................... 1480 The Tin-plate Trade ........................ 1483 The By-Products Trade ...................... 1488 Letters to the Editors: — The Determination of CO — Inert Dust Treat- ment-Explosives in Mines and Signals ...... 1483 Miscellanea :— Immingham Coal Exports—Grimsby Coal Exports —Coal Dust in America ................. 1477 Compulsory Co-partnership ..........'...... 1478 South Staifordsh re and Warwickshire Institute of Mining Eng neers ......................... 1479 Harrying the Trusts ........................ 1492 Hull Coal Exports .......................... 1493 M. Taffanel in America—Coal Values ......... 1494 Partnership Dissolved ...................... 1500 ADVERTISEMENTS. Offers fw ABVOOISEOIEWS ami 30 & 31 ? Fwraiyal Street, Loodooj EX. Telegraphic Address— ‘' Colliery Guardian, Fleet, London.” Telephone—1354 Holborn. CONTRACT ADVERTISEMENTS: Prices for SPECIAL POSITIONS on application Prices fob ORDINARY POSITIONS :- Single Column (3 iachc s wide): For 52 instrtiona 2s. 6d. d nci o a i f insertion tor each >» ,, OS. VU. > • 1 • J XI „ 13 „ 3s.6dJ meh w 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. 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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. See Advertisement appearing on front Cov^r of alternate weeks, THE WOI.S FAlWI M3 AND GO LTO. Llahmore Works Llaneu.il T1AVTTU TTOT T7C< foe minerals, JDV JlVJCJ Jt1.U1JIhio WATER AND BRIE E Boreholes for Prospecting in Underground Workings a Speciality. VIVIAN’S BORING COMPANY, PARKSIDE, CREATOR MOOR. OVER 84 MILES OF BORINGS COMPLETED. Established 42 years. Largest experience. Telegrams—“Vivians, Parkside, Oleator Moor.” The Cambrian School of Mines, CEMETERY ROAD. FORTH, GLAM. Am University Training at Your Own Home. Lessons and Instruction by Post for candidates for FIRST and SECOND Class Mine M nagers’ 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. (BEPT. C.) CAMBRIAN MINING SCHOOL, FORTH, CLAM. 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. F<