Average of 2000 cars classified and 50 transfer runs dispatched daily by yardmasters in elevated tower, using 2-way talk back speakers in yard, and 2-way space radio to yard and transfer crews on locomotives; communication system described.


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    Title :

    Radio and loudspeakers expedite operations on Alton and Southern


    Additional title:

    Ry Signaling Communications



    Publication date :

    1949


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :




    Alton locomotives modernized

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    Kirkpatrick, Tommy L. / Fletcher, Bobby P. / United States. Army. Corps of Engineers. St. Louis District. | HENRY – Federal Waterways Engineering and Research Institute (BAW) | 1991

    Free access