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    Re: Use of Marine Sextants in Aircraft
    From: Gary LaPook
    Date: 2018 May 8, 14:15 -0700

    see prior posts:

    Precision astrolabe, bubble sextant development

    http://www.fer3.com/arc/imgx/Bubble-sextants-Precision-Astrolabe.pdf

    http://fer3.com/arc/imgx/sextants.pdf

    http://fer3.com/arc/img/111880.img_4663.jpg

    http://fer3.com/arc/img/111880.img_4664.jpg

    http://fer3.com/arc/img/111884.img_4666.jpg

    http://fer3.com/arc/img/111884.img_4665.jpg

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