Camm, F. J. 1897- A beginner's guide to radio: an elementary course in 28 lessons/ F.J. Camm - 6th ed. - London: George Newnes, c1964 - 164 p.: ill.; 18 cm. Inlcudes index Subjects--Topical Terms: Radio--Study and teachingRadio--RepairingRadio circuits Dewey Class. No.: 621.384