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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Brown-Nassau CN Plotter or Spherical Computer
From: Francis Upchurch
Date: 2018 Dec 23, 03:16 -0800
From: Francis Upchurch
Date: 2018 Dec 23, 03:16 -0800
Hi Alan,
I built a working home made replica a few years ago which works fine. Quicker than a calculator with practice. Usually accurate to 10'. Designed for easy quick aviation navigation.Not as accurate as the Bygrave but quicker and easier.
Details attached.
Best wishes and seasonal greetings.
Francis
