Old interlocking machine, destroyed by fire Jan 17 1935, replaced by General Railway Signal Co, Model-2 unit-lever machine which has 72-lever frame with 61 working levers.
New York Central reconstructs interlocking destroyed by fire
Ry Signaling
Railway Signaling ; 28 , n 10
1935
2 pages
Aufsatz (Zeitschrift)
Englisch
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