May 24, 1918. THE COLLIERY GUARDIAN. 1035 SAVES ONE WAGON OF COAL IN EVERY FIVE. Reduces the Coal Consumption 15 to 20 per cent. Every Ton of Coal saved by the Econo- miser at a Colliery is another Ton for Sale at Market Price. Write for Pamphlet “BQ” to E. GREEN & SON LTD., WAKEFIELD, England. HALLITE HIGH PRESSURE STEAM AND MOTOR JOINTINGS. k ■ STOCKED BY Millfurnishers, Ironmongers & Shipchandlers, &c. HALL & HALL, 47, Leadenhallltreet, London, E.C.3 Telegrams—“ Turps, London.” Telephone—Avenue 6366 (3 lines). 4 -44 COPIES of our New Catalogue on the handling of coal and ashes are now available and will be sent to any bona fide enquirer on receipt of a written request. There are 64 pages of text and illustrations, and the whole forms a complete guide to boiler house efficiency. Make sure of your copy by writing to-day for the Bennis AERIAL COAL & ASH PLANT CATALOGUE ROPEWAYS ANY SYSTEM. No owner, engineer, or works manager should be without one. ED. BENNIS & C0..LTD Little Hutton. Bolton ; and 26 Victoria Street, London, S.W1. The British Ropeway Engineering Co. Ltd., 7, MINCING LANE, LONDON, E.C. 3. Tele—CENTRAL 1 1250. Q. a A u a MAKERS OF ALL CLASSES OF . . . Telegrams : “ Smedley, Ironville." Telephone: No. 67, 68, & 69, Ripley. Designed to comply with the Coal Mines Act, 1911, and to facilitate loading. Can be Readily Fixed to Existing Trams. Girders Hydraulically Cold Straightened. ---PIT TRAM AND WAGON WORKS :--— Codnor Park, ALFRETON OPEN. CLOSED. COLLIERY OWNERS and MANAGERS are invited to send for particulars of