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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: What is this Slide Rule?
From: Greg Rudzinski
Date: 2018 Jul 14, 20:45 -0700
From: Greg Rudzinski
Date: 2018 Jul 14, 20:45 -0700
Could be a Fuller.
http://www.hpmuseum.org/srcyl.htm
If it is then it can multiply to better than 4 places with a 41 foot scale. Using a natural trig table with this will enable sight reduction to 0.5'
Greg Rudzinski
