Bevan, Thomas The Theory of Machines : A Text-book for Engineering Students / Thomas Bevan, - London : Longmans, Green and Co., 1939 [1946]. - vi, 563 : ill. ; 24 cm. Includes Index and Bibliography. Subjects--Topical Terms: Mechanical engineeringMachines--Theory Dewey Class. No.: 621.8 / BET 1946