NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Air & Space Museum -- Time and Navigation -- Kaster Spherant
From: Dave Walden
Date: 2013 May 6, 17:39 -0700
From: Dave Walden
Date: 2013 May 6, 17:39 -0700
Saw the exhibit at the Air&Space Museum today. Hadn't seen this particular device before, although we have discussed similar ones.
Kaster Spherant
https://timeandnavigation.si.edu/multimedia-asset/kaster-spherant
United States Patent US1852166
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