Re: Avila sundials

2005-05-18 Thread Mark Gingrich
Dave G. asked: Does anyone know anything about a sundial (heliochronometer) designed and built by Charles Avila and a Mr. Evans in the mid 1990's? I think these were produced in Boston Mass. USA, and were featured in Sky Telescope magazine in late 1994. ... It's not clear from your

Avila sundials

2005-05-18 Thread Patrick Powers
You could see the NASS site exchange on http://sundials.org/phpBB2/viewtopic.php?p=50; but I expect you already have! Patrick -