All-relay controls and plug-in type relays are features of layout 1 mi long on causeway across Sandusky Bay; illustrated description of interlocking installation.
Drawbridge interlocking on New York Central
Ry Signaling
Railway Signaling ; 39 , n 2
1946
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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