Similar description of article indexed in Engineering Index 1933 p 934 from Ry Gaz June 9 1933.


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    Title :

    Battery-operated colour-light signals on London and north eastern railway


    Additional title:

    Int Ry Congress Assn -- Bul



    Publication date :

    1934


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English