Details of electric interlocking installed by Southern Railway to replace 24-lever mechanical plant at Orange, Va; panel type control machine and plug-in relays are features of plant.
All-relay interlocking on southern railway
Ry Signaling
Railway Signaling ; 39 , n 7
1946
6 pages
Article (Journal)
English
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All-relay interlocking installed on Wheeling and lake Erie railway
Engineering Index Backfile | 1942