Details of electric interlocking installed at Weldon, at South end of track layout of passenger station in Chicago by Illinois Central Railroad, to replace mechanical plant which has been in service since 1892; interlocking machine is General Railway Signal Co unit-lever type, using dynamic indication with individual polar relays for cross protection.
Electric interlocking installed on I.C.
Ry Signaling
Railway Signaling ; 36 , n 12
1943
4 pages
Aufsatz (Zeitschrift)
Englisch
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