January 12, 1917. THE COLLIERY GUARDIAN. 59 JEFFREY COAL CUTTERS Have again and again throughout the country proved themselves to be the best. There are three good reasons why you should try a Jeffrey Coal Cutter. FIRSTLY. We supply you with a machine on a thirty days FREE working trial. SECONDLY.—We pay carriage both ways if unsatisfactory. THIRDLY.—We make no charge for training men to run our machine during trial. HUGH WOOD & Co. Newcastle-on-Tyne. PREPARE for HEAVY RAILWAY TRAFFIC, and order your new Weighbridge GREENWOOD & BATLEY Ltd., ALBION WORKS. LEEDS. Telephone S200 LEEDS. I Telegram*— GREEN5VOOD. LEEDS. STEAM TURBINES J before prices get higher. The LEEDS make allows your Locomotive to go over. 8AML DENISON & SON I™ Fur lea, ________________ HIGH PRESSURE—EXHAUST STEAM,—MIXED PRESSURE. FROM 3-B.H.P. TO 600-B.H.P. Part of order foi totally enclosed gas- proof Mining Motors with ball bearings and plate glass spy holes. 4. I ♦i IV S . < t ELECTRIC MOTORS AND GENERATORS. A.C. AND D.C. FOR ALL PURPOSES.