Special circuit controller checks position of rail end and carries track circuit between lift span and fixed span.
Interlocking for M-K-T-bridge
Ry Signaling
Railway Signaling ; 26 , n 11
1933
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Electric interlocking at bridge junction
Engineering Index Backfile | 1902
Interlocking at Maumee river bridge, Toledo
Engineering Index Backfile | 1902
Interlocking at a railway bridge in England
Engineering Index Backfile | 1921
|Interlocking on Southern Pacific Suisun bay bridge
Engineering Index Backfile | 1935
Draw-bridge interlocking plant at the Bridgeport Draw-bridge in Chicago
Engineering Index Backfile | 1890