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    Re: what's that
    From: Fred Hebard
    Date: 2007 Feb 17, 10:26 -0500

    Peter Ifland, of course, is an authoritative source.  However, this
    web page has a few errors regarding post-World War II navigation.  As
    Paul Hirose has pointed out, a number of automated sextants were
    developed for the U.S. Air Force to bring inertial navigation
    instruments back to "zero," from which they tended to wander.
    Likewise, the U.S. Navy has automated sextants, deployed fleet wide
    if I am not mistaken.  Also, significant parts of space navigation
    have been done with automated sextants.
    
    Fred
    
    On Feb 17, 2007, at 8:36 AM, Phil wrote:
    
    >
    > Hello,
    > I think it is a sextant for balloonists. See here :
    > http://www.mat.uc.pt/~helios/Mestre/Novemb00/H61if_2.htm
    >
    >
    > >
    
    
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