Allen, John Robins, Heating and air conditioning [by] John R. Allen ... James Herbert Walker ... [and] John William James ... - 6th ed. - New York, London, McGraw-Hill Book Company, inc., 1946. - vii, 667 p. illus., diagrs. (part double) 24 cm. Subjects--Topical Terms: Air conditioning.Heating. Dewey Class. No.: 697 / ALL