NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: 60° Pendulum Astrolabe
From: Frank Reed
Date: 2016 Jul 20, 12:42 -0700
From: Frank Reed
Date: 2016 Jul 20, 12:42 -0700
Phil Sadler, you wrote:
"Just bought an intriguing instrument on eBay, a USNO-designed, WWII-vintage 60° pendulum astrolabe. Such devices are credited with being capable of GPS-like accuracy of 15 feet (1/400 NM) for the U.S. Army!" [more here]
And:
"Anyone care to place a wager on the ultimate accuracy of this incredibly impressive piece of hardware?"
Well, I really expected you would get lots of interest in this, which was why I suggested you make a NavList post, and yet look... our assembled membership has nothing to offer! Maybe this little reminder will draw some replies.
Frank Reed
