Re: A Most Beautiful Dial!

2008-04-21 Thread Hannes K
Dave, as far as I can see the smaller dials show italic and babylonian hours, the latter at the right with the too short gnomon. The things sticking out from the windowsills seem to be pipes to channel rainwater out and away from the sundial. Hannes [EMAIL PROTECTED] schrieb: > Also curi

Re: A mean time sundial program

2008-04-15 Thread Hannes K
know how well known it is in the sundial community Hannes Jan Bielawski schrieb: > Greetings. This is my first post to this forum so expect a few > threading booboos before I get it right :-) > > I haven't built a single sundial in my life but few years ago I got > interested

AW: Giant Cone Gnomon?

2006-09-22 Thread Hannes Kühtreiber
about the climate there, but during construction and hardening it has to be kept moist or the concrete will develop cracks and will not harden properly. I can supply links (and pics, if I go digging) if you are interested. hannes -- Koordinaten (WGS84) 47°15' N 11°

AW: Delta Cad workshop?

2006-07-22 Thread Hannes Kühtreiber
a bit late (been on holiday): anyone out there using linux and can recommend a easy-to-use cad programm? hannes -- Koordinaten (WGS84) 47°15' N 11°26' E Am 2006-07-13 16:22:40 schrieb(en) Willy Leenders: Delta Cad is only applicable for Windows. Is there a good alterna

AW: My First Painted Wall Sundial

2006-07-01 Thread Hannes Kühtreiber
john, when I painted a sundial on the wall of my house, I didnt get the lines as straight as you did - and my wall is much smoother. very good work! How long did it take? hannes -- http://www.kleine-monumente.at.tf 47°15' N 11°

AW: tried hard anodizing?

2006-05-18 Thread hannes
layer is more weather resistant, or if proper sealing is more important (which is what I would expect). hannes -- hannes kühtreiber [EMAIL PROTECTED] http://www.datenmull.at.tf --- https://lists.uni-koeln.de/mailman/listinfo/sundial

AW: tried hard anodizing?

2006-05-17 Thread hannes
John (D), you talk about pre-anodised sheets with photoresist applied. is this anodising applied or removed by a photographic process? how does it work? how do you make the color change? sounds like a very intresting material for our purposes! hannes -- hannes kühtreiber [EMAIL

AW: Clever stuff!

2006-05-13 Thread Hannes Kühtreiber
. You'd have to produce a very tight layer of dots to show the shadow well. While the newer machines can produce much finer dots (I think the piece in your picture was made by an older model), they are still far from it. why not sandblast the backside of a plate of glass? h

false elllipse

2006-05-12 Thread hannes
with the sun back today I also tried the experiment with the "CD-Gnomon". I also saw the false ellipse. Could anyone -again- explain why the dot of light is not round? I didnt quite understand it the first time ... hannes -- hannes kühtreiber [EMAIL PROTE

AW: Buyer's Guide

2006-05-05 Thread hannes
de Vries mentioned: http://www.de-zonnewijzerkring.nl/imgs-arch/art-03-08-01.jpg regards hannes -- hannes kühtreiber [EMAIL PROTECTED] http://www.datenmull.at.tf --- https://lists.uni-koeln.de/mailman/listinfo/sundial

AW: Links to a big sundial near Copenhagen.

2006-04-17 Thread Hannes Kühtreiber
before. its certainly not a common sight. regards hannes p.s. and please do tell us what material/technique you used! -- 47°15' N 11°26' E (WGS84) --- https://lists.uni-koeln.de/mailman/listinfo/sundial