Elements of radio
Subtitle: a pre-induction training course
By: by Charles L. Hellman ... Prepared at the request of the War department and the U. S. Office of education in conformance with the official pre-induction training course outline no. PIT-201
Publisher: D. Van Nostrand company, inc.
Published: 1943
Place of publication: New York
Language: eng
Number of pages: 312
Subjects: Radio