NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: U-boat Celestial Navigation WWII
From: David Pike
Date: 2016 Jan 14, 16:36 -0800
From: David Pike
Date: 2016 Jan 14, 16:36 -0800
Gary LaPook wrote: I am attaching some photos of the HR-2 celestial navigation computer that i took in London in 2009. This version of the slide rule is about 15 inches long and 6 inches in diameter and was to be mounted on a desk. And see: http://fer3.com/arc/m2.aspx/Manufacture-Bygraves-LaPook-aug-2009-g9556 gl
Gary. I’ll be visiting London a number of times this year. Please tell us which of the Bygrave and the MR2 cylindrical position slide rules you saw where, the Science Museum, Greenwich, or somewhere else. DaveP