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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Symmedian point -earliest reference in navigation
From: Herbert Prinz
Date: 2018 Oct 14, 21:28 -0700
From: Herbert Prinz
Date: 2018 Oct 14, 21:28 -0700
Hi Bill,
The Gallica website of the French National Library has an exact facsimile of the book. There, you can find the construction and its analytic proof with the page numbers I have given. It's in chapter 1, par. 13. Cas particulier de trois droites de hauteur.
Herbert
