Installation pays for itself in less than year; simplicity of design and low maintenance costs are features; construction; circuit plan of Grand Calumet River bridge.


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    Title :

    Automatic interlocker protects gauntlet track


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1931


    Size :

    2 pages


    Remarks:

    4 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English