Unique polar circuits developed to reduce line-control wires on 24-mile section. (See also Ry. Signaling, vol. 20, no. 7, July 1927, pp. 248-253, 10 figs.)


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    Title :

    Train movements directed by signal indication on C. of Ga


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 82 , n 29


    Publication date :

    1927


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Directing train movements by signal indication

    Engineering Index Backfile | 1925




    Train operation by signal indication

    Sperry, H.M. | Engineering Index Backfile | 1926


    Train operation by signal indication

    Sperry, Henry M. | Engineering Index Backfile | 1920