February 11, 1916. THE COLLIERY GUARDIAN. 283 ad Turbine Pumps of the highest efficiency T7. 7-CELL TURBINE PUMP. 1,485 revolutions per minute. 750 gallons per minute. 1,067 ft. head. Write for List No. 688. to 1,200 feet, balanced. For Lifts up Automatically Simple and sound construction. No end thrust. The pulsometer Engineering G?. Ld. Nine Elms Iron Works, 11, Tothill Street, LONDON, S.W. READING.