NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Titanic vs Endurance
From: Robin Stuart
Date: 2022 Mar 13, 07:17 -0700
From: Robin Stuart
Date: 2022 Mar 13, 07:17 -0700
Reeves' Trigonometry: Plane and Spherical mentioned here https://NavList.net/m2.aspx/Titanic-vs-Endurance-Stuart-mar-2022-g52314 is no longer available at the link we provided in our paper https://www.canterburymuseum.com/assets/DownloadFiles/Navigation-of-the-Shackleton-Expedition-on-the-Weddell-Sea-pack-ice.pdf. It can now be found at https://archive.org/details/trigonometryplan00reevuoft with the explanation of Raper's method starting on page 72.
Attached is an image of a diagram from the text and for comparison a representation from our paper of the occultation of 42 Libræ as observed by Worsley and James on 24 June, 1915. The upper Moon's disk is the view of a geocentric observer.
Robin Stuart
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