Introduction to line radio communication ...
By: prepared for the Office of the chief signal officer, January, 1923.
Contributors: United States. National Bureau of Standards.
Series: Radio communication pamphlet; no. 41
Publisher: Govt. Print. Off.
Published: 1923
Place of publication: Washington
Number of pages: 51
Subjects: Telegraph, Wireless; Radio
Other titles: Line radio communication.; Radio communication.