Watson, Herbert M.
Understanding radio a guide to practical operation and theory [by] Herbert M. Watson, Herbert E. Welch [and] George S. Eby. - 2nd ed. - New York McGraw-Hill Book Co., Inc. c1951. - ix, 716 p. illus. 24 cm.
Bibliography: p. 643-645. "List of visual materials": p. 695-701.
Radio.
Cir 621.38 W33 1951
Understanding radio a guide to practical operation and theory [by] Herbert M. Watson, Herbert E. Welch [and] George S. Eby. - 2nd ed. - New York McGraw-Hill Book Co., Inc. c1951. - ix, 716 p. illus. 24 cm.
Bibliography: p. 643-645. "List of visual materials": p. 695-701.
Radio.
Cir 621.38 W33 1951