New electronic system developed by Link Aviation, Inc, identifies moving trains or freight cars by initials and number; signal is produced when response block mounted underneath car or locomotive passes over magnetic field of wayside coil of wire running between rails; response block weighs 1 lb; information can be transmitted via telephone circuits.


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    Titel :

    Identify trains or cars


    Weitere Titelangaben:

    Ry Signaling Communications


    Erschienen in:

    Erscheinungsdatum :

    1959


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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