186 THE COLLIERY GUARDIAN January 24, 1913. ______________________________________________________________________________ COHTEHTS. PAGE Editorial Article :— Safety Lamp Glasses.......................... 187 Articles • New Draft General Regulations ............... 175 Storage of Mixed Explosives .................. 177 Conveyor Belting ........................... 178 The Determination of Water in Coal............ 178 Two Large German Installations of Koppers Coke Ovens .................................... 179 Mine Managers’ Examinations................. 180 New Railway Demurrage Regulations .......... 181 Obituary.................................... 189 Labour and Wages ________......................... 188 Book Notices................................ 191 References Under the Coal Mines Act .......... 192 Yorkshire and the Coke Trades................. 192 Notes from South Wales...................... 193 The Minimum Wage Act__....................... 195 Hull Coal Trade ............................. 195 Mining and Other Notes ...................... 196 The Freight Market.......................... 197 Open Contracts ............................. 199 Abstracts of Patent Specifications Recently Accepted 200 Government Publications .................... 202 Publications Received ........................ 202 New Patents Connected with the Coal and Iron Trades.................................... 202 Catalogues and Price Lists Received............ 202 Workmen’s Compensation ...................... 181 Continental Mining Notes .................... 189 Law Intelligence ............................. 185 Indian and Colonial Notes .................... 194 Parliamentary Intelligence ................... 196 Coal, Iron and Engineering Companies ........ 199 The Coal and Iron Trades ............. 182—185, 190 The London Coal Trade ...................... 190 The Tin-plate Trade .......................... 190 The By-Products Trade ...................... 190 Letters to the Editor :— Comparison of Rescue Apparatus of the Injector and Non-Injector Type — Controlling Gear on Winding Engines—Status of Colliery Surveyors 191 Miscellanea :— Coal Trade Benevolent Association—Second Inter- national Congress on Rescue Work and Preven- tion of Accidents........................... 177 South Lancashire Coalmining Developments..... 179 Home Office Prosecution at Pontypridd ........ 189 Grimsby Coal Exports ........................ 190 The West Cumberland Iron Trade............. 193 Hull Coal Exports—New Course of Lectures at Leeds University........................... 195 North Staffordshire Institute of Mining and Mechanical Engineers—Partnerships Dissolved 196 A Tasmanian Mine Fire ...................... 199 SUBSCRIPTIONS. _______ The Colliery Guardian is published at 2.30 p.m. on Friday, and includes the latest intelligence. The Annual Sub- scription is 24s.; but if paid in advance, 21s. In both cases the charge includes delivery free by post in the United Kingdom. Post free and prepaid to Foreign Countries, £1 7s. 6d. ________________________________________________ ADVERTISEMENTS. _______ ADVERTISEMENT DEPARTMENT. H. Greville Montgomery, 43, Essex-street, Strand, London, W.C., and 27, Brasenose-street, Manchester. Advertisements are inserted on the last white page and leader page at the following rates:— Situations Vacant and Wanted : One Penny per word (which must be prepaid), minimum 2s. 6d. Other Advertisements : 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. ________ CONTRACT ADVERTISEMENTS. Prices for SPECIAL POSITIONS on application. Prices for ORDINARY POSITIONS Single Column (3 inches wide): For 52 insertions 2s. 6d. 1 . t. „ 26 „ 3s. Od. !■ W insertion for each „ 13 „ 3s.6dJ inchindepth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. Miscounts or Commissions are paid to Auctioneers and Advertising Agents. (A Classified List appears on page 204.) ________________________________________________ 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. Bm XdwrtM«n»nt appearing on/rant Cover 0/alternate JFeekii THE WADDLE PATENT FAN AND ENGINEERING CO. LTD. Llanmore Works Llanelly. VIVIANS BORING COMPANY WORK GUARANTEED. n. ,/TOYEAB5„ . BORING fob MINERALS, &c. Solid Spioimbns of thi Strata obtained. Established 1888. Reference if required. Apply to ___ Work guaranteed. J. S. DAVIDSON & SON, St. Bees, CUMBERLAND. The Cambrian School of Mines, CEMETERY ROAD, FORTH, GLAM. Principal: WILLIAM THOMAS, M.Inst.M.E., M.R., Society of Arts. A SCHOOL of Unequalled Reputation. No Branches. No Agents. Students get their full money’s worth in Lessons, Specimen Answers and Personal Instruction. Influential Employers give preference to Students prepared at this School. Last Inspectorate Exams., 5 Students, passed and appointed. LESSONS BY POST for Mine Officials and Mining Students, &c. The most accurate way of estimating a Tutor’s success is by the per- centages of his passes. At the 1912 Cardiff Mine Managers’ Home Office Exams. 172 Students sat from this School, 140 of them were successful. At Glasgow Mining Exam. 38 Cambrian Students sat, the 38 were successful. Write immediately for free Booklets, &c. Secretary: Cambrian Mining School, Glanffrwd, Porth, Glam. Y BADONS’ LATEST PATENTED BRIQUETTE MACHINERY, For Coal, Coke, Iron and other Ores. _______ YEADON, SON & CO., • . • Engineers, JDE2E2DS. World-wide Reputation. 35 Years’ Experience. RAILS AND ACCESSORIES. WAGONS ALWAYS IN STOCK. QUICK DESPATCH. TH0? W. WARD Ltd., Sheffield. Telegrams—“Forward.” Telephones—4321 (6 lines). ___________________________________ Examination of Flame Caps IN SAFETY LAMPS. Simplest and Most Efficient Apparatus FOR MIXING AIR AND GAS IN DESIRED PERCENTAGES IS MANUFACTURED BY BAIRD & TATLOCK, 45, Renfrew Street, GLASGOW, And at Manchester, Liverpool Edinburgh. Write to the above address for illustrated descriptive pamphlet free on application or see description in “ Colliery Guardian” of Sept.27, p. 635. DARX.ZM’GOrON’S HANDBOOKS, “Nothing better could be wished for.”—British Weekly. “ Far superior to ordinary guides.”—Daily Chronicle. Visitors to London (and Residents) should use DARLINGTON’S “ Very emphatically tops them all.”—Daily Graphic. 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Llandrindrod, Bala, Brecon, Ross, Tintern, Llangollen, Aberystwith, Towyn, Barmouth Dolgelly, Harlech, Criccieth, Pwllheli, Llandudno, Rhyl, Conway, Colwyn Bay, Penmaenmawr, Llanfairfechan, Bangor, Carnarvon, Beddgelert, Snowdon, Festiniog, Trefriw, Bettws-y-coed, Norwich, Yarmouth. Lowestoft, Norfolk Broads, Buxton, Matlock, The Peak. Isle of Wight, and Channel Islands should use Darlington’s Handbooks Is, each. Post, free from Darlington & Co. Llangollen. Llangollen: DARLINGTON A CO. London: SIMPKIN?. Paris and New York: BRENTANO’S. The Railway Bookstalls and all Booksellers. NEW FORMS, &c., RECENTLY ISSUED UNDER THE COAL MINES ACTS. ___ ___ --- See Page 198. -- _________ This List of New Prescribed Forms, $c., appears weekly in the “ Colliery Guardian ” Surveyor, 35 years of age, 17 years’ experience, with first-class colliery manager’s certificate (endorsed), is open to make surveys, keep up plans, hang lines, &c., for collieries, and would act as manager for small collieries. Excellent references—Apply, Box 5098, Colliery Guardian Office, 30 & 31, Furnival-street, Holborn, London, E.C. anager—Assistant.—A capable neer, with practical experience, or Colliery Manager wanted to act as ASSISTANT to GENERAL MANAGER of important Scottish collieries; liberal salary given to good man—Apply, giving age, experience, references, and salary wanted, to Box No. 120, McMurtrie’s Advertising Agency, 11, Bothwell-street, Glasgow. Wanted for Colliery Engineer’s Office, JUNIOR DRAUGHTSMAN with practical and theoretical knowledge of colliery steam and compressed air machinery, also indicating of engines.—Apply, stating age, qualification, and wages required, Box 5100, Colliery Guardian Office, 30 & 31. Furnival-st., Holborn, London, E.C. Freehold Colliery to he Leased or Sold, a seam of good coal proved, several others intact.—Address, Box 5099, Colliery Guardian Office,30 & 31, Furnival-st., Holborn, London, E.C. TUBES & FITTINGS, iron and steel. Tubes for Gas, Water, Steam, and Compressed Air. Electric Tramway Poles, Pit Props, High Pressure Steam Mains,