00316nam a2200109Ia 4500008004100000040001200041082001400053100002000067245006400087260004700151300000800198200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-49  aYoungson, Peter 0aSlide Valves and Valve Gearing including Indicator Diagrams  bJames Munro & Company, Ltd., Glasgowc1955  a222