System installed on line between Wilmington, Delaware and Washington, D C, which controls wayside automatic signals as well as cab signals without use of line wires. (see also Ry Age v 99 n 7 Aug 17 1935 p 210-2)


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Coded track-circuit signaling on Pennsylvania


    Additional title:

    Ry Signaling


    Published in:

    Railway Signaling ; 28 , n 5 ; p 245-250 + 252


    Publication date :

    1935


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Coded track-circuit signaling on Pennsylvania

    Engineering Index Backfile | 1935


    Coded track circuits

    Engineering Index Backfile | 1942



    Coded Track Marker Light

    H. Larrimore | NTIS | 1972


    Track-circuit signaling on electrified roads

    Howard, L. Frederic | Engineering Index Backfile | 1907