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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Biruni and the radius of the Earth by dip
From: Gary LaPook
Date: 2011 Jan 7, 09:51 -0800
From: Gary LaPook
Date: 2011 Jan 7, 09:51 -0800
I saw a device just like this for sale at a hardware store. It consisted of two clear plastic pipes about two feet long, one had a male fitting and the other had a female fitting so they could be attached to a common garden hose. gl --- On Thu, 1/6/11, George Huxtable <george@hux.me.uk> wrote:
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