Report on construction and rebuilding of railroad signaling during 1954, with indications of trends which are expected to continue.
Much is new in signaling for 1955
Ry Signaling Communications
Railway Signaling and Communications ; 48 , n 1
1955
Article (Journal)
English
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Much ahead in modern signaling
Engineering Index Backfile | 1947
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|Much is new in signaling for 1956
Engineering Index Backfile | 1956
DataCite | 1955
DataCite | 1955