A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Tony Oz
Date: 2021 Apr 13, 08:19 -0700
Yes, I mean the slide (which moves underneath the rotating transparent part).
I can't figure out how to label the concentric arcs on the slide, - what radius step to use? I suppose it is NOT arbitrary. Is it linear? Is it somehow related to the transparent circle diameter?
Thank you in advance.