[13]From brochure published by American Telephone and Telegraph Company, 1-9-28.
[14]“Communications from Morse to Satellites,” by George A. Shaw, RCA Communications, Inc., Wire and Radio Communications, Sept. 1962.
[15]“Telex in the U.S.A.,” Communications & Electronics, Sept. 1962.
[16]National Military Establishment, Dept. of the Army, Wash. 25, D.C., for release Sunday, Feb. 13, 1949.
Transcriber’s Notes
- Retained publication information from the printed edition: this eBook is public-domain in the country of publication.
- Corrected a few palpable typographical errors.
- In the text versions only, text in italics is delimited by _underscores_.