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    Re: Navy MK 5 Octant Using Natural Horizon
    From: Bill B
    Date: 2012 May 01, 02:28 -0400

    On 5/1/2012 2:15 AM, Alexandre E Eremenko wrote:
    > I don't see a reason to substitute a normal sextant with a bubble octant
    > if the real horizon is available,
    
    Abnormal refraction? ;-)
    
    Bill B.
    
    
    
    
    

       
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