A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Gary LaPook
Date: 2016 Jan 6, 11:43 -0800
You may want to consider optimizing your sliderule for use with the Bygraves formula methods since this produces more accurate results than the sin-cosine formulas when worked on a ten inch sliderule. See:
Look at July 2009 where Bygraves were extensively discussed.