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    Re: 60° Pendulum Astrolabe
    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

       
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