78W
-Original Message-
From:
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Aten Heliochronometers
Sent: Tuesday,
December 07, 2004 8:53 PM
To: sundial@rrz.uni-koeln.de
Subject: the care and feeding of
analemmas
Hello group, I am new here, but have been
I think that you would want a constant distance from a simple lens to the
surface so that the sun will always be in focus. This would result in a
concave spherical surface bearing the analemma, with the lens at its center.
However, if you prefer a flat surface, I think that you can use a
ph
Hello group, I am new here, but have been reading
the posts for a few days.
I have a question for the group, I am designing a
new heliochronometer (afterwards to be referred as a "helio" for brevity) and I
am striving for a bit more accuracy. Roughly, I intend to try and cast a
point of l
