Study of modern air reconnaissance and importance of serial photography in present war; anti-aircraft gunfire has forced photographic reconnaissance up to 20,000-ft level causing problems in equipment and methods, problems of automatic shutters being closed prematurely at night by searchlights and tracer ammunition explained.


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    Title :

    Photographic reconnaissance


    Additional title:

    Flight


    Published in:

    Flight ; 38 , n 1670


    Publication date :

    1940


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English