IN the life of a man ten years is a comparatively short period, but in aeronautics it is an epoch.


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    Title :

    1929–1939


    Subtitle :

    Progress Made During The Last Ten Years



    Publication date :

    1939-03-01


    Size :

    2 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English