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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Celestial Navigation Through Clouds
From: Bill Morris
Date: 2009 Dec 21, 13:44 -0800
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From: Bill Morris
Date: 2009 Dec 21, 13:44 -0800
A Macneil All-weather sextant by Hughes and Son, ca. 1930, is illustrated on page 120 of Peter Ifland's "Taking the Stars." It used a photocell at the focus of a concave mirror to centre a cloud-obscured sun.
Bill Morris
Pukenui
New Zealand
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