Describes system installed on Central of Argentine which insures safety with minimum apparatus.


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    Title :

    Locking arrangement for movable point crossing frogs


    Additional title:

    Ry. Signal Engr


    Contributors:
    Parsons, F. (author)

    Published in:

    Publication date :

    1922


    Size :

    2 pages


    Remarks:

    4 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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