Signal protection, in which switch indicators are used as interlocking control devices, as well as for conventional purpose of train approach indication, installed by Midland Railway Co of Manitoba, at Winnipeg, Man, Canada; diagram showing track plan and control circuits.
Switch indicators serve as interlocking control devices
Ry Signaling
Railway Signaling ; 30 , n 12
1937
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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