A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Joe Suligoy
Date: 2019 Dec 24, 14:13 -0800
While this is a good point about radiation, I just want to clarify that my original post was referencing a Link A-12 bubble sextant. There is no luminescent paint in these instruments; the bubble chamber and scale are illuminated by battery operated bulbs. No radiation ;).