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    Re: Spherographical Navigation and Professor Keator
    From: Francis Upchurch
    Date: 2015 Feb 23, 23:31 -0800

    Hanno and Frank,

    I am very interested in any analog computer methods, including the orange! (I know that maths solutions  via calculator/logs  or slide rule are easier and best, but this is fun!). Hanno, I tried to find the patent and the book without success. Would you be kind enough to send me copies?

    Frank, did you see my slightly tongue in cheek question about using maybe just 1 quadrant of "orange peel" say 6ft x 6ft, made of stong fibre glass or similar? Do you always need the whole globe? can we re-arrange the numbers to just use 1 quadrant? I'm trying to get my limited maths brain around that!

    Best wishes Both.

    Francis

       
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