Early applications of telegraph; train orders and their disadvantages; block signaling. (See also - discussion p 130-133)


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    Title :

    Train operation by signal indication


    Additional title:

    Ry. Club Pittsburgh -- Official Proc


    Contributors:


    Publication date :

    1926


    Size :

    24 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Train operation by signal indication

    Sperry, Henry M. | Engineering Index Backfile | 1920


    Train operation by signal indication

    Sperry, Henry M. | Engineering Index Backfile | 1920


    Train operation by signal indication only

    Hanson, E. | Engineering Index Backfile | 1925


    Train operation by signal indication only

    Saunders, J.E. | Engineering Index Backfile | 1925