Croft, Terrell, 1880-1967, Practical heat; Terrell Croft, editor ... revised by R. B. Purdy ... - 2d ed. - New York : McGraw-Hill Book Company, inc. [c1939] - xiv, 726 p. il., diag. 21 cm. - Power plant series . Subjects--Topical Terms: CALOR Universal Decimal Class. No.: 536.2