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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Link A-12 bubble sextant adjustment
From: Robert Eno
Date: 2005 Nov 21, 19:12 -0500
From: Robert Eno
Date: 2005 Nov 21, 19:12 -0500
I suggest that Ken Gebhart from Celestaire would be
able to field this one.
Robert
----- Original Message -----From: jean-philippe planasSent: Monday, November 21, 2005 5:28 PMSubject: Link A-12 bubble sextant adjustmentSubject: Link A-12 bubble sextant adjustment
Hello Group,I recently bought an A-12 Link bubble sextant but the Instrument seems to be grossly out of adjustment (not surprisingly for a 67 year old instrument). Therefore the index error needs to be adjusted.
Would you know what kind of (hexagonal?) wrench is to be used to adjust the index mirror of a Link A-12 bubble sextant?
It looks like an hexagonal allen wrench is convenient. However metric keys do not seem to be adequate and SAE 1/8" seems too big and 1/16" too small!!Does anybody has any clue about this question?Jean-Philippe
JPP
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