NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: on Bygrave and or cylindrical slide rules
From: Ronald van Riet
Date: 2011 Dec 20, 05:35 -0800
From: Ronald van Riet
Date: 2011 Dec 20, 05:35 -0800
the most extensive treatise on Bygrave slide rules can be found on
http://sites.google.com/site/sliderulesite/position-line-slide-rules
Enjoy!
Ronald van Riet
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