Finding South

2000-03-06 Thread Roger Bailey
At 10:53 PM 3/6/00 +0100, you wrote: >Hi all the sundiallers ! > >Are you all, "ingenieur" in sundials ? > Oui Alain, je suis un ingenieur, mais un ingenieur chemie qui parle un peu Francais. To find south, use the sun at noon. Determine the exact time of local noon, corrected for time zone, lon

Re: GPS, spherical sundial

2000-03-06 Thread Dave Bell
On Mon, 6 Mar 2000, Alain MORY wrote: > I did'nt clearly expose my problem : A wall must be built above a > foundation that has to be exactly oriented face to south. This wall will > contain an iron armature, so that a magnetic compass will not work > exactly near the wall. > So I thought to giv

Spherical sundial

2000-03-06 Thread Alain MORY
Hi all the sundiallers ! PPS ! I forgotted to thank Daniel for his help in the problem of spherical sundials. There was so much answers that I was submerged. My English is old and I needed time to read and understand all the returned mails. But they were more than my hopes. Are you all,

Re: GPS, spherical sundial

2000-03-06 Thread Alain MORY
Hello, fabulous sundiallists ! At first, many thanks to those who gave an answer to my two strange questions (Fer, Gianni, Andrew, Fernando, Tony, Pete, Ron, Roger, Thibaud, I hope I've forgotten anybody !) I did'nt clearly expose my problem : A wall must be built above a foundation that has to

Re: Materials for sundial making.

2000-03-06 Thread The Shaws
At the risk of repeating myself, don't forget "Traffolite" (UK Trade name) Used for making outdoor signs, it's 5 ply laminated plastic sheet with the layers of different colours - cut through the outer layer to reveal the inner (different) colour. Mine has been outside for about two years so far,