History of radio telegraphy and telephony
By: [by] George G. Blake.
Series: Telecommunications; Telecommunications (New York, N.Y. : 1974)
Publisher: Arno Press
Published: 1974
Place of publication: New York
Language: eng
Number of pages: 425
Subjects: Telegraph, Wireless -- History.; Radio -- History.
Notes: Bibliography: p. 353-403.
Reprint of the 1928 ed. published by Chapman & Hall, London.