Interlocking by alternating current of 125 cycles.


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    Title :

    New traffic locking on C. and O. relieves congestion


    Additional title:

    Ry. Age


    Contributors:

    Published in:

    Railway Age ; 71 , n 1


    Publication date :

    1921


    Size :

    2 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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