Ten new station tracks necessitated addition of 59-lever machine; color-light dwarf signals used to advantage; unique train-starting signal system developed.


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    Title :

    Interlocking at St. Louis union station expanded


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1930


    Size :

    3 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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