Radio troubleshooting guidebook / by John F. Rider and J. Richard Johnson. Rider, John Francis. 1900- Johnson, J. Richard. 1915- joint author. Radio Repairing. TK6553 .R515 621.384 RIR Includes index. New York : D. B. Taraporevala sons & co., c1954. c1954. 1954 Text iv, 156 p. : eng