April 9, 1915. THE COLLIERY GUARDIAN. 775 I w 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. For Lifts up to 1,200 feet. Automatically balanced. Simply and soundly constructed. Have no end thrust. The Pulsometer engineering C® IM 11, Tothill Street, Nine Elms Iron Works, LONDON, S.W. READING.