PakCat catalogue record Radio physics course an elementary radio text book for students, set builders and servicemen By Ghirardi, Alfred A. Bibliographic details PublisherRadio design publishing co. Publication placeBrooklyn, N.Y. Publication year1930 Edition1st ed. LanguageEnglish Material typeBook Physical descriptionx, 362 p. incl. front., illus., diagrs SubjectsRadio.