Dyson, F. Principles of mechanism/ F. Dyson - 4th ed., rep. - London: Oxford Unversity Press, 1962 - 368 p.: ill.; 22 cm. Includes index ISBN: $ 25.00 Subjects--Topical Terms: Mechanics, AppliedGearingMechanical movementsBalancing of machinery Dewey Class. No.: 621.81