Two-way communication carried on between moving and stationary telephone station; description of system. See Engineering Index 1929, p. 1554. (see also Ry. Age, no. 15, May 3, 1930, pp. 1053-1054)


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    Title :

    Telephoning from and to moving train on Canadian National Railways


    Additional title:

    Can. Ry. Mar. World



    Publication date :

    1930


    Size :

    4 pages


    Remarks:

    2 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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