Construction of alignment charts giving range of visibility of light of various colors on foggy days; computation of light-intensity required.


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    Title :

    Visibility of daylight signals


    Additional title:

    Die Sichtbarkeit von Lichttagessignalen


    Contributors:
    Block, L. (author)


    Publication date :

    1931


    Size :

    4 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    German




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