Radio transmitters
By: by Harry F. Dart ... and E.V. Amy ...
Contributors: Amy, Ernest V., author
Series: [International textbook company. Bluebooks] -- 553; International Textbook Company Bluebooks -- 553
Publisher: International Textbook Company
Published: 1931
Place of publication: Scranton, Pa
Language: eng
Number of pages: 66
Copyright date: 1931
Subjects: Radio; Equipment and supplies; Cipher and telegraph codes
Other titles: Codes and code practice.