After extensive use, beginning in 1886, of power signaling of individual lever type, Italian railways are turning to relay interlocking; in present system at Bologna, operation of one switch sets all points in route and clears relative signal; complete track circuiting, with route and approach locking and other controls, is provided throughout, with color light signals.


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    Titel :

    Relay interlocking at Bologna


    Weitere Titelangaben:

    Ry Gaz


    Erschienen in:

    Railway Gazette ; 98 , n 13


    Erscheinungsdatum :

    1953


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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