Wireless telegraphy and wireless telephony
Subtitle: an understandable presentation of the science of wireless transmission of intelligence
By: by Charles G. Ashley and Charles B. Hayward.
Contributors: Hayward, Charles B. 1876-
Publisher: American School of Correspondence
Published: 1912
Place of publication: Chicago
Language: eng
Number of pages: 141
Subjects: Telegraph, Wireless; Radio
Notes: Includes index.