Fundamentals of machines - HOBBS; Crotty, Francis C.; Gorton, Frederick R.; Sears, Francis Weston (Boston, New York [etc.] Houghton Mifflin company, 1943)
"Prepared at the request of the War department and the U. S. Office of education in conformance with official pre-induction training course outline PIT no. 102."
Title on two leaves.
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Keywords: Machinery, Kinematics of; Machinery