Power should be developed at 25 cycles and use of both alternating and direct current on trolley continued.


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    Title :

    Standards for railroad electrification


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 71 , n 13


    Publication date :

    1921


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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