Tucker, Durward J. Introduction to practical radio [by] Durward J. Tucker... - New York, The Macmillan company, 1945. - xvi p. 1 l., 322 p. incl. illus., tables, diagrs 22 cm. Includes "Answers." LCCN: 45004058 Subjects--Topical Terms: Electric engineering. LC Class. No.: TK146 / .T8 Dewey Class. No.: 621.3