Pippenger, John J. Fluid-power controls/ John J. Pippenger, Richard M. Koff - New York: McGraw-Hill, c1959 - vii, 252 p.: ill.; 23 cm. Includes index Subjects--Topical Terms: Fluid power technologyHydraulic circuitsHydraulic controlHydraulic machinery Dewey Class. No.: 621.2