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    Re: Instumental error?
    From: Bill B
    Date: 2005 Apr 20, 03:39 -0500

    Alex:
    
    > I know a very clever method of calibrating your sextant
    > "at home" that is without stars, but you need a theodolite
    > or another instrument more precise than the sextant,
    > and with precise level. Unfortunately I don't have a theodolite.
    >
    > Can describe the method to the list if anyone is interested.
    > (I recently read about it in one XIX century paper on
    > the Internet).
    
    Please do publish.
    
    Bill
    
    
    

       
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