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    Re: Calibrating a sextant scale
    From: Ken Muldrew
    Date: 2007 Dec 03, 10:01 -0700

    On 2 Dec 2007 at 23:30, frankreed@HistoricalAtlas.net wrote:
    
    >  I did come up with another
    > possibility: how about a nice dry lake bed? There are plenty that are flat
    > as a pancake for miles. Set up posts around the radius of a circle at
    > roughly equal angles, and voila, a sextant calibration observatory!
    
    How about frozen lakes? There are many with landmarks spaced nicely all
    the way around the shore.
    
    Ken Muldrew.
    
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