Modern radio communication : a manual of modern theory and practice, covering the syllabus of the City and guilds examinations and suitable for candidates for the P. M. G. certificate, vol. 1 / J. H. Reyner ; with foreword by professor G. W. O. Howe. Reyner, John Hereward. Radio. TK5741 .R48 1944 621.384 REM Includes index. London : Sir I. Pitman & sons, 1943. 1943. 1942 Text xiii, 334 p. : eng