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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Lord Kelvin, lunars, and Tripos comedy
From: Alexandre Eremenko
Date: 2026 Jul 9, 20:41 -0700
From: Alexandre Eremenko
Date: 2026 Jul 9, 20:41 -0700
Frank,
Thanks for this great examination problem from Kelvin! Of all parts of it, it in unclear t me how one can determine longitude with the Almanac only and nothing else. To measure a Lunar distance with the provided rope??
Alex.
