February 16, 1917. THE COLLIERY GUARDIAN. 351 THE MOST RELIABLE AND EFFICIENT BRITISH MADE PUMP MINING PUMP BOVING CO and HYDRAULIC ENGINEERS 56, Kingsway LONDON BOVING & CO.. LTD., LONDON. STEEL WORK PUMP, Medium Pressure. 800 g.p.m. 125 feet. 1,450 r.p.m. Telephones : HOLBORN 6420 (3 lines). g.p.m. feet. Telegrams : “JENORTEN, WESTCENT.” SMALL MINING PUMPS. 220 g.p.m. 328 feet. 2,900 r.p.m. STEEL WORK PUMP, Low Pressure. 3,000 g.p.m. 40 feet. 725 r.p.m. LARGE (6 Repeat Orders). 860 g.p.m. 755 feet. 1,450 r.p.m. BOVING I . I I 2 SINKING PUMPS as shown (Repeat Order). 333 475 1,450