A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Kollsman periscopic bubble sextant
From: Chris Caswell
Date: 2017 Apr 17, 15:26 -0700
Has anyone rebuilt a Kollsman periscopic sextant bubble chamber? One of mine is not functioning properly, as I cannot reduce the bubble to a usable size.
Chris in VT
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