A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Finding IC for A-12 bubble sextants
From: Ed Popko
Date: 2021 Oct 10, 09:54 -0700
The bracket's bubble is mostly a check on how level the table-top is if I'm just setting the whole sextant/bracket assembly down. Of course, the only bubble centering that matters is the one in the sextant.
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