Sundials site

2000-09-28 Thread Jean-Paul Cornec
Hello all The URL of my site introducing sundials in Brittany (France) has changed; it is now : http://perso.wanadoo.fr/jean-paul.cornec/index.html Some parts of the pages are translated in english and access to pictures is now a bit faster. There are also some new pictures and a sundials

Re: How do I turn my DeltaCad design into reality? Machine cutting question

2000-09-28 Thread Cary Chleborad
OK... I might be able to help out somehow. I happen to own a 20" x 40" CNC Milling machine - it might be a fun exercise to make some sundial stuff. Anyone interested should email me and we can work out the details for transferring your DXF information to me while retaining the "as designed" attr

Re: Equinox

2000-09-28 Thread Wm. S. Maddux
Arthur Carlson wrote: >"fer j. de vries" <[EMAIL PROTECTED]> writes: >> Some members of this list have drawn an east-west line at the september = >> equinox. >> But what accuracy this line will have? > > > >Assuming a perfect horizontal plane, ... > >... > >A line between these 2 points has an a

Re: Sundial in use

2000-09-28 Thread Conxita Bou
At 18:21 26/09/00 +0200, you wrote: >Sundial friends, > >I found in Oman a sundial which was used,up to today, for the distribution >of irrigation water. >The sundial indicates the water-rights of every irrigation participant and >instruct the waterguard for opening and closing the gates. >I'm int

Re: Equinox

2000-09-28 Thread Arthur Carlson
"fer j. de vries" <[EMAIL PROTECTED]> writes: > Some members of this list have drawn an east-west line at the september = > equinox. > But what accuracy this line will have? > > Assuming a perfect horizontal plane, ... > ... > A line between these 2 points has an angle of 0.067 degrees to the =