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    Re: Symmedian point -earliest reference in navigation
    From: Bill Lionheart
    Date: 2018 Oct 14, 17:00 +0100

    Thanks Herbert. I am working through the online scan of the book
    looking for the result.  Not found it yet!  Did the authors know about
    Lemoine,  Grebe or  L'Huilier?
    
    Bill
    On Sun, 14 Oct 2018 at 06:47, Herbert Prinz
     wrote:
    >
    > Yvon Villarceau, Nouvelle Navigation, Paris, 1877, pp. 37-40.
    >
    > Herbert Prinz
    >
    > Bill Lionheart had asked for
    >
    > ... the right attribution for the observation that the
    > the least squares point, hence the most probable position, can be
    > located using a geometrical construction, rather than just matrix
    > algebra.
    >
    > View and reply to this message
    

       
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