Five-watt, ten-volt bulb in signal lamp with reflector gives daylight indication up to 5000 ft.; approach lighting is accomplished in different ways; track is curved throughout greater portion of recent installation so that spread-light cover glass lenses were required.


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    Title :

    Frisco installs semaphores with color-light indication


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1929


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Frisco installs retarding barriers

    Engineering Index Backfile | 1938


    Frisco installs retarding barriers

    Engineering Index Backfile | 1938




    G.N. Replaces Semaphores With color-light signals

    Engineering Index Backfile | 1928