On 13 April 1999 16:46 Chuck O'Connell wrote ... It looks like a glass sphere held in the center of a small equatorial sundial ... following the curve of the sphere is a piece of waxpaper against a dark background. When the sun shines, the waxpaper is scorched. Anybody have a name and possibly a source to buy one?
... > This sounds to me like the Campbell Stokes sunshine recorder. > > You could try http://www.casella.co.uk/mccampbellstokesdata.html > which I found on a quick Net search advertising them - disclaimer : no > personal knowledge or recommendation of the company! > > Regards > Andrew James
