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    Re: On the Mischief of Geographical Position.
    From: Michael Wescott
    Date: 2002 Jan 24, 1:31 PM

    daveweilacher{at}EARTHLINK.NET said:
    > ..and BTW, what does gravity have to do with determining your position
    > with sextent and chronometer?
    
    What are you measuring sextant altitudes against? Whatever the reference --
    be it artifical horizon, the sea, or plumb bob -- it's determined by gravity.
    --
            Mike Wescott
            Wescott_Mike{at}EMC.COM
    

       
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