A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Josh Paterson
Date: 2016 Jun 15, 13:33 -0700
Some friends and I have been trying to construct Bris sextants. We've been attempting to shape some welding glass for the solar filter piece, but since it's tempered it shatters when we try to score and break it. Is there an alternative to tempered glass? Or maybe a better way to shape tempered glass?