Canadian National Railways has developed successful system of radio-carrier telephony between fast train and station after long period of research; equipment of relay station for telephone service.
Radio telephony from fast moving train
Elec. Traction
Electric Traction ; 25 , n 6
1929
2 pages
1 Fig.
Article (Journal)
English
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Radio telephony between moving stations
Engineering Index Backfile | 1932
|SAE Technical Papers | 1919
|Engineering Index Backfile | 1919
|Engineering Index Backfile | 1929
|Engineering Index Backfile | 1929
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