Near Baldwin, La, Texas and New Orleans Railroad has installed, over Charenton Drainage and Navigation Canal, new swing type drawbridge, completely electrically controlled and operated, and electric interlocking plant which controls associated signaling facilities; interlocking machine consists of track diagram and two 3-position signals-derails levers; special bridge circuit controller; drawbridge operation; bridge wiring.
Southern pacific installs interlocking at drawbridge
Ry Signaling
Railway Signaling ; 34 , n 9
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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Elgin, Joliet and eastern installs electric interlocking at drawbridge
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