Use of remotely controlled signals to direct train movements without expense of maintaining telegraph station has been demonstrated by installation recently completed on Danville line of New York Central at Campbell, Ill.; past and present operation; centralized traffic control machine is used; engineering details.
Remotely controlled signals replace manual block station on new fork central
Ry. Signaling
Railway Signaling ; 23 , n 9
1930
2 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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