Plant at Sankey, Calif, conforms with Railroad Commission's requirements and specifications; graphic time recorder and signal repeater lights used; savings effected.


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    Title :

    Automatic interlocking eliminates train stops


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1933


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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