May 16, 1913. THE COLLIERY GUARDIAN. 997 with Telegrams—“ Meco, Sheffield.” Telephone—4530 Central (2 lines). Dublin Office— Mr. J. S. PARTINGTON, 53, Dufferin Avenue, South Circular Road, Dublin. Lancs, and Yorks. Representative— Mr. W. J. HOSKINS, Little Houghton, nr. Barnsley. Glasgow Office— Mr. C. E. HART, Telephone No. 1407. 94, Hope Street, Glasgow. Cardiff Office — Mr. S. R. CLAY, Telephone No. 1096. 23. Victoria Avenue, Cardiff. Derby Office— Mr. B. PARDON, Telephone No.;538. 78, Otter Street, Derby. Newcastle Office— Mr. T. H. OUGHTON, Telephone No. 2525. Milburn House, Newcastle-on-Tyne. Order To day The Only Rescue Apparatus which Combines the Advant= ages of the Injector the Single Advantage of the Non=injector Positive-pressure Injector Rescue Apparatus Positive pressure guaranteed in all parts of the apparatus. Amount of air available in apparatus increased. Any leak when apparatus is put on at once detected, thus preventing the use of defective apparatus. Safety, due to new fitting, is now complete. Cooling system is perfect. A circulation of 60 litres per minute of cool, refreshing, richly oxygenated air guaranteed for the two hours. This circulation is actuated and maintained by the injector. There is no strain upon the wearer’s lungs. The regeneration of the exhaled air is the most efficient of any. The absorbing capacity for CO2 of the Meco regenerator is the greatest on the market. The comfort leaves nothing to be desired. The Mining Engineering Go. Ltd Meco Works, Moorfields, SHEFFIELD