September 29, 1916. THE COLLIERY GUARDIAN. 623 BOVING PUMPS THE MOST RELIABLE AND EFFICIENT BRITISH MADE PUMP. LARGE MINING PUMP (6 Repeat Orders). 860 g.p.m. 7SS feet. 1,450 r.p.m. r.p.m, BOVING & CO.LTD., LONDON. g.p.m feet. STEEL WORK PUMP Medium Pressure. SOO g.p.m. 125 feet. 1,450 r.p.m. l&A: I - 2 SINKING PUMPS as shown (Repeat Order). 333 475 1,450 2 SMALL MINING PUMPS. 220 g.p.m. 328 feet. 2,900 r.p.m. A, STEEL WORK PUMP, Low Pressure. 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.