A description with diagrams, of the arrangements adopted as standard for the disposition of signals, together with a statement of the principles governing the arrangement. An important illustration of the subject. (1000 w.)


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    Title :

    Signal standards on the Pennsylvania lines west of Pittsburg


    Additional title:

    R R Gaz


    Published in:

    Publication date :

    1896


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :