Details of public address system in use in Illinois Central's outbound freight house, Chicago, Ill, which expedites movement of freight; system includes 33 loud speakers; output from each speaker varies from 2 1/2 to 5 w and value is controlled by varying speaker transformer.


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    Titel :

    Speakers speed freight movement


    Weitere Titelangaben:

    Ry Signaling


    Erschienen in:

    Erscheinungsdatum :

    1945


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    Automating Movement of Freight

    Vandersteel, William / Zhao, Yiyuan / Lundgren, Thomas S. | Transportation Research Record | 1997


    Automating Movement of Freight

    Vandersteel, William | Online Contents | 1997


    Automating Movement of Freight

    Vandersteel, W. / Zhao, Y. / Lundgren, T. S. et al. | British Library Conference Proceedings | 1997


    Freight Movement and Demand

    K. W. Lim / A. H. Meyburg / G. M. Clark et al. | NTIS | 1978