A recording device, invented by Harry De Wallace, which warns by sight and sound when approaching a meeting point, crossing, etc., and would stop the train, if the engineer neglects his duty. (1500 w.)


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    Title :

    A train-order annunciator for locomotive cabs


    Additional title:

    Eng News


    Published in:

    Publication date :

    1898


    Remarks:

    Ill.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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