All electric interlocking with Entrance-Exit, "N-X" control installed in Chicago, to replace mechanical plant at track layout involving several junctions and crossings with Belt Railway; plug-in quick detachable relays, flameproof wiring, new type sheet metal instrument cases and special protection for cables, are features of plant.
Modern entrance-exit interlocking replaces mechanical plant on Indiana harbor belt
Ry Age
Railway Age ; 112 , n 5
1942
4 pages
Article (Journal)
English
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Modern entrance-exit interlocking replaces mechanical plant on Indiana Harbor Belt
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