December 22, 1916. THE COLLIERY GUARDIAN. 1235 BOVING PUMPS THE MOST RELIABLE AND EFFICIENT BRITISH MADE PUMP. r LARGE MINING PUMP (6 Repeat Orders). 860 g.p.m. 755 feet. 1,450 r.p.m. 2 SINKING PUMPS as shown (Repeat Order). 333 g.p.m. 475 feet. ,.g> 2 SMALL MINING PUMPS. 220 g.p.m. 32S feet. 2,900 r.p.m. ..Lio- OB > 1,450 r.p.m. STEEL WORK PUMP, Medium Pressure. STEEL WORK PUMP, Low Pressure. 800 g.p.m. 125 feet. 1,450 r.p.m. 3,000 g.p.m. 40 feet. 725 r.p.m. BOVING and CO. Limited, HYDRAULIC ENGINEERS, Telegrams : “JENORTEN, WESTCENT.” Telephones : HOLBORN 6420 (3 lines). 56, Kingsway, LONDON, W.C.