The features of interest are the omission of track-circuit preliminaries and consequent simplification of apparatus and operating rules. (2200 w.) (No. 36409)


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    Title :

    New signal system of Washington, Baltimore and Annapolis railroad


    Additional title:

    Elec Ry Jour



    Publication date :

    1912


    Remarks:

    Ills.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English