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    Re: 10 DM Note
    From: Alexandre Eremenko
    Date: 2007 Mar 9, 14:57 -0500

    You wrote:
    > I haven't read that biography, and don't know much about Gauss, but
    > wish to add a note of caution about the word "sextant", where
    > astronomers are concerned. Indeed, they used an instrument called a
    > sextant,
    Sure. For example, Ulugh Bek
    (sorry I am not sure in the correct English
    spelling of his name,
    but I hope it is clear whom I am talking about) in Samarkand
    used a sextant 40 feet radius:-) I've seen the remains of
    it when I was a child.
    But when we are talking about Gauss, it is clear that he used
    a simple marine sextant (9 inches radius is definitely a
    portable instrument, and it is clear from the book that Gauss
    just carried it around, measuring various angles).
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