Yard and road radio costs surveyed; microwaves adopted for transmission of communications in lieu of pole lines; printers, long distance phones, and carrier equipment increased.
1949 in railroad communications
Ry Age
Railway Age ; 128 , n 1
1950
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1955
Electronics in railroad communications
Engineering Index Backfile | 1945
|Railroad Dispatcher Communications Training Materials
NTIS | 2003
|