Record war time communication load is being handled by using existing telephone and telegraph facilities more intensively and by utilizing carrier current and apparatus to add more circuits. (see also Ry Signaling v 37 n 1 pt 1 Jan 1944 p 26-7, 36)
Railroads add T. and T. facilities
Ry Age
Railway Age ; 116 , n 1
1944
4 pages
Article (Journal)
English
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Railroads add T. and T. facilities
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