Automatic controls installed by Southern Pacific, at Los Angeles, for setting street traffic signals in stop position upon approach of train.


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    Title :

    Street traffic signals controlled by trains


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1936


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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