Study on automatic manual and non-operative signals for highway crossing protection; signals in lieu of gates; red lantern for flagmen. Abstract of report to Am. Ry. Eng. Assn.


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    Title :

    Report on signals and interlocking


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 84 , n 9C


    Publication date :

    1928


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Report on signals and interlocking

    Engineering Index Backfile | 1930


    Report on signals and interlocking

    Engineering Index Backfile | 1930


    Report on signals and interlocking

    Engineering Index Backfile | 1929


    Report on signals and interlocking

    Engineering Index Backfile | 1931


    Report on signals and interlocking

    Engineering Index Backfile | 1925