RYDER,G H THEORY OF MACHINES THROUGH WORKED EXAMPLES / RYDER,G H - [S.N] : CLEAVER - HUME PRESS LTD ، 1959 - 280 P Subjects--Topical Terms: التحليل الرياضىMACHINERY - DESIGNMACHINERYMACHINE - THEORY Dewey Class. No.: 621.8 / R T