Frisco has installed talk-back loudspeakers, intercom and pneumatic tube systems in Birmingham, Ala, freight yard, which is also used by Illinois Central and Central of Georgia; tube system transmits switch lists and messages between yard office and yardmaster's office in tower; about 1500 inbound, and 1500 outbound cars are handled through yard daily.


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    Title :

    Talk-backs improve operations


    Additional title:

    Ry Signaling Communications



    Publication date :

    1954


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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