Wireless communication in the British Empire
By: by G. Stanley Shoup, Transportation division ...
Contributors: United States. Bureau of Foreign and Domestic Commerce.
Series: United States Bureau of Foreign and Domestic Commerce (Dept. of Commerce) Trade information bulletin; no. 551
Publisher: U.S. Govt. Print. Off.
Published: 1928
Place of publication: [Washington
Language: eng
Number of pages: 28
Subjects: Radio.
Notes: "Wireless as an aid to aerial navigation", p. 2.