System over 9000 mi network of private line circuits extends from general offices in Chicago to 56 offices, shops and storerooms; capacity of leased facilities is either 75 or 60 words per min on each of six principal lines. (See also Ry Age v 138 n 18 May 2 1955 p 58-9)
Why pullman has teletype network
Ry Signaling Communications
Railway Signaling and Communications ; 48 , n 5
1955
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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