Improved operation and reduction of damage to lading have been effected in Northbound Markham, Ill, hump classification yard of Illinois Central by installation of loud speakers mounted on poles near mid-point of yard; either office at hump or yard master's office at lower end of classification yard may issue instructions over speakers; description of system given. (See also Ry Signaling v 37 n 2 Feb 1944 p 95-7)


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    Title :

    Loud speakers aid yard operation


    Additional title:

    Ry Age


    Published in:

    Railway Age ; 116 , n 13


    Publication date :

    1944


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Loud speakers aid yard operation

    Engineering Index Backfile | 1944


    Loud-speaker yard communication

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    Loud-speaker yard communication

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    Loud-speakers on Rio Grande

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