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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Longhand Sight Reduction
From: Greg Rudzinski
Date: 2014 Nov 12, 19:10 -0800
From: Greg Rudzinski
Date: 2014 Nov 12, 19:10 -0800
Hanno,
The 8" circular slide rule is just good enough to perform the single multipying step of the Doniol haversine table sight reduction. Not good enough to do the classic cosine sine reductions by formula.
G
From: Hanno Ix
Date: 2014 Nov 12, 18:46 -0800
Greg,
please describe in detail how you use the Dietzgen for sight reduction, would you please?
H
