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Re: How does the AstraIIIb split mirror work?
From: Jim Thompson
Date: 2004 Apr 23, 22:32 -0300
From: Jim Thompson
Date: 2004 Apr 23, 22:32 -0300
> -----Original Message----- > From: Joel Jacobs > A question for Jim T., is one or both of your mirrors front or back > silvered. Index mirror is front-silvered. Horizon mirror is back-silvered. I checked my sextant, but see also http://celestaire.com/catalog/Marine_Sextants/Astra_IIIB/ Jim