Improvement of main-line signaling so as to meet present and future operating conditions.


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    Title :

    Replacing semaphores with position-light signals on Norfolk and Western


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1936


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Light signals replacing semaphores

    Engineering Index Backfile | 1925


    G.N. Replaces Semaphores With color-light signals

    Engineering Index Backfile | 1928




    Semaphores replaced by color-light signals on 55 miles of I. C.

    Morgan, H.G. | Engineering Index Backfile | 1926