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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sight reduction method history
From: Paul Hirose
Date: 2013 Nov 03, 10:24 -0800
From: Paul Hirose
Date: 2013 Nov 03, 10:24 -0800
Hewitt Schlereth wrote: > Lu, older editions of Bowditch have a 15-page chapter "Comparison of Various Methods of Sight Reduction." It's a chronological listing of the various sight reduction methods. It's expanded to 61 pages in the 1984 edition. The title should have said "history and comparison" since the chapter describes many old and now obscure methods, including mechanical devices. --