Operation and principles of equipment used by Eastern Air Transport, along Atlantic coast from New York to Florida, T.A.T., and others; line drawing illustrating theory of operation of telephone typewriter.
Airline communication by telephone typewriter service
Aviation
Aviation ; 28 , n 23 ; p 1134-1137
1930
4 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Visit to German typewriter factories : November 1945
TIBKAT | 1946
|An airline passenger telephone system-design development and early trials
Tema Archiv | 1988
|