Controlled non-interlocking switching and color light signals facilitate and expedite freight switching movements in classification yard and at junction point in 25th Street freight classification yard at Pittsburgh, Pa; special switch indicators; trimmer and hump signals; panel type control machine; special time delay; circuit principle; natural gas engine generator.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Monongahela connecting railroad installs yard signaling


    Additional title:

    Ry Signaling Communications


    Published in:

    Publication date :

    1951


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Erie installs retarders in Marion Yard

    Engineering Index Backfile | 1931


    Baltimore and Ohio installs yard radio

    Engineering Index Backfile | 1946


    Erie installs retarders in Marion Yard

    Engineering Index Backfile | 1931


    Baltimore and Ohio installs yard radio

    Engineering Index Backfile | 1946


    Baltimore and Ohio installs yard radio

    Engineering Index Backfile | 1946