Requisites for track welding or heat treating in track circuit territory; requisites for a-c and d-c coded signal systems; flasher relay; tractive armature d-c neutral interlocking relay; centralized traffic control type neutral d-c relay; requisites for protection of oil sidings; development of proposed inductive coordination measures involving railroad power lines and power equipment. (See also - n 1 Mar 13 1939 p 65-96)


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    Titel :

    Committee IV -- Automatic block signaling


    Weitere Titelangaben:

    Assn Am Railroads -- Proc (Signal Sec)


    Kongress:

    Association of American Railroads -- Meeting ; 1939 Automatic block



    Erscheinungsdatum :

    1939


    Format / Umfang :

    23 pages


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Committee IV -- Automatic block signaling

    Engineering Index Backfile | 1941


    Committee IV -- Automatic block signaling

    Engineering Index Backfile | 1948


    Committee IV -- Automatic block signaling

    Engineering Index Backfile | 1936



    Committee VIII -- A. C. automatic block signaling

    Engineering Index Backfile | 1920