Description various safety devices, most part electrical. (6000 w.) (No. 62902 B)


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    Title :

    American grade-crossing warning signals


    Additional title:

    Die amerikanischen Warnungssignale fur Bahnuberwege


    Contributors:
    Kohlfu&die (author) / rst, L (author)


    Publication date :

    1915


    Remarks:

    Ills.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    German




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