28 THE COLLIERY GUARDIAN. January 3, 1913. __________________________________________________________________________________________________________________________ CONTENTS. PAGE Editorial Article :— The Coal Trade in 1912........................ 29 Articles :— The Coal Trade of 1912........................ 11 Labour and Wages .............. .......................... 31 Obituary.......................... ................................... 32 Some New Types of Centrifugal and Turbine Pumps.................................... 33 Mining and Other Notes ...................... 35 New Metal Works at Greenwich............... 36 Coastwise Shipments in November............. 37 Mine Fires.................................. 37 Notes from South Wales.................................. 38 The Freight Market.......................... 39 Open Contracts ............................. 42 Abstracts of Patent Specifications Recently Accepted 42 New Patents Connected with the Coal and Iron Trades.................................... 43 Publications Received ........................ 46 Government Publications .................... 46 Continental Mining Notes .................... 23 Coal, Iron and Engineering Companies ........ 40 Law Intelligence ............................. 40 The Coal and Iron Trades................... 24—27 The By-Products Trade ...................... 30 The London Coal Trade ................................. 31 The Tin-plate Trade .......................... 32 Letters to the Editor :— The Barometer and the Mines Act—The Safety of Mines .................................... 37 Miscellanea :— Light Pumping Plant for Mines ...... ............. 27 Colliery Managers* Examination............... 32 Safety Lamp Glasses......................... 32 Calendars—Grimsby Coal Exports ............. 36 The Overman and the Condition of a Winding Rope..................................... 37 Partnerships Dissolved— Hull Coal Exports .......38 Colliery Developments in Cumberland.......... 40 __________________________________________________ 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. *) ,, 26 „ 3s. Od. > ,, 13 „ 3s. 6d. 3 per insertion for each inch in depth. Double Column (6 inches wide), double the above rates. Three Columns (9 inches wide), three times the above rates. Biscounts or Commissions are paid to Auctioneers and Advertising Agents. (A Classified List appears on page 48.) *#*The offices of this Journal are at 30 & 31, Furnival-street, Holborn, London, E.C. Cheques, &c., to be made payable to the Colliery Guardian Co. Limited. All remittances should be crossed &~o