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    Pierce camera sextant
    From: Frank Reed
    Date: 2021 May 20, 11:46 -0700

    How did the "Pierce camera sextant" work? There are some minor references to it in the 1920s, and apparently it was tested aboad the airship USS Los Angeles. Here's an interesting image of the Los Angeles having unusual difficulties at its mooring mast. I'm not sure how one takes celestial sights under these circumstances, camera sextant or otherwise. 

    Frank Reed
    PS: There's a reason they stopped playing with airships!

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