Title :
Radio for Telephone Service in America
Author_Institution :
Radio engineer with the American Telephone and Telegraph Company, New York, N. Y.
Keywords :
Airplanes; Circuits; Electron tubes; Frequency; Laboratories; Marine vehicles; Speech recognition; Telegraphy; Telephony; Wire;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1948.5059782
