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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sextant mirror silvering
From: Frank Reed
Date: 2023 Oct 19, 14:00 -0700
From: Frank Reed
Date: 2023 Oct 19, 14:00 -0700
Bill Morris, you wrote:
"Circular mirrors are harder. They can be cut by hand, using techniques of amateur telescope makers, but it is much easier to use a home-made trephine rotated in a drill press or vertical milling machine."
Does this also work on skulls? ...asking for a friend.
Frank Reed
