A section of double track tunnel is given. (600 w.)


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    Title :

    Alignment improvements on the Pennsylvania railroad


    Additional title:

    Ry Rev


    Published in:

    Publication date :

    1896


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Improvements on the Pennsylvania railroad

    Engineering Index Backfile | 1901


    Improvements on the Pennsylvania railroad

    Whinery, S. | Engineering Index Backfile | 1903



    Pennsylvania railroad

    Engineering Index Backfile | 1910


    Pennsylvania railroad

    Engineering Index Backfile | 1909