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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Ebony Octant
From: Chris Caswell
Date: 2019 Mar 11, 15:37 -0700
From: Chris Caswell
Date: 2019 Mar 11, 15:37 -0700
Greetings All,
I was recently gifted an ebony and ivory octant, marked "Blachford & Imray, London", and I am wondering about the 3rd mirror (slitted) and peep sight, as I have never seen this set up before.
Does anyone know (or want to guess) what it is for?
Best,
Chris 44° 30' N 73° 15' W
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