Indexing modification for teletype equipment, to provide accurate preparation of perforated tape for operation into IBM tape-to-card units; equipment located at yards and important division points, used to transmit information on train departures, make-up, etc.
Teletype-I.B.M. Operations
Ry Signaling Communications
Railway Signaling and Communication ; 44 , n 3
1951
3 pages
Article (Journal)
English
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NTRS | 1979
|Engineering Index Backfile | 1946
|Engineering Index Backfile | 1939
NTRS | 1971
|Engineering Index Backfile | 1947
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