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    Re: Sight Reduction by the Cosine Haversine Method
    From: Alexandre Eremenko
    Date: 2004 Oct 8, 09:14 -0500

    I am very glad that the name of Ptolemy was finally mentioned
    in this discussion:-)
    After all, his two books were the basis of all European navigation
    for about 1400 years. I never had the impression that this
    list is restricted to "present-day" navigation problems:-)
    
    Alex.
    
    On Thu, 7 Oct 2004, George Huxtable wrote:
    
    > I was responsible for diverting this discussion into Ptolemy's grasp of
    > trig. around AD 150. So apologies to anyone who is outraged by taking
    > matters so far away from the practical problems of navigation.
    >
    > Herbert Prinz responded.
    >
    > >Trying hard to give the appearance that what
    > >we are discussing here has
    > >anything
    > >to do with navigation,
    
    
    

       
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