NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Air navigation records: primary sources
From: Gary LaPook
Date: 2025 Jan 18, 00:20 -0800
From: Gary LaPook
Date: 2025 Jan 18, 00:20 -0800
Take a look at this old post.
https://navlist.net/m2.aspx/Kollsman-periscopic-sextant-mount-LaPook-oct-2010-g14221






