Discussion of factors involved in standard of safety for track circuits. See also Ry. Engr., vol. 43, no. 514, Nov. 1922, pp. 404-406)


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    Title :

    Direct current track circuits


    Additional title:

    Am. Ry. Assn. Signal Section, Proc


    Contributors:


    Publication date :

    1922


    Remarks:

    2 Tables on Supp. plates


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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