All electric plant with panel type control machine, replaces old mechanical interlocking at busy Ivorydale Junction on Baltimore and Ohio main line; track and signal plan shown.


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    Title :

    B and O installs modern interlocking


    Additional title:

    Ry Signaling Communications


    Published in:

    Publication date :

    1951


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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