Practical wireless telegraphy
Subtitle: a complete text book for students of radio communication
By: by Elmer E. Bucher.
Edition: Rev. ed., 70th thousand.
Publisher: Wireless Press, inc.
Published: 1921
Place of publication: New York [etc.]
Language: eng
Number of pages: 336
Subjects: Telegraph, Wireless
Notes: Blank pages (3) at end for "Memoranda."