Describes an all-electric plant, replacing electro-pneumatic plant. (1200 w.) (No. 58582)


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    Title :

    North Philadelphia interlocking


    Additional title:

    Sig Engr


    Contributors:
    Post, W.M. (author)

    Published in:

    Publication date :

    1915


    Remarks:

    Ills.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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