Croft, Terrell, Practical heat; Terrell Croft, editor ... revised by R. B. Purdy ... - 2d ed. - New York, London, McGraw-Hill Book Company, inc. [c1939] - xiv, 726 p. illus., diagrs. 21 cm. - Power plant series . Subjects--Topical Terms: Heat.MCE Dewey Class. No.: 621.402 / CRO