Yardmaster maintains contact with crews over 73 talkback and 9 paging speakers in Council Bluffs, Iowa, yard where Union Pacific interchanges cars with seven railroads.


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    Title :

    Loudspeakers effect better yard operation


    Additional title:

    Ry Signaling Communications



    Publication date :

    1953


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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