A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: David Pike
Date: 2017 Oct 18, 07:32 -0700
Marty Lyons wrote: Your results seem pretty good. I would suggest, however, that you upgrade your level. Even brand name circular bubble levels can be notoriously inaccurate.
I thought that, but It's not bad. If I set it up on the mirror, then twist the level only (eBay unbranded) though 360 degrees, 30 degrees at a time, the bubble barely moves from the centre of the inner circle. DaveP