John & all - My slottted shade designs and others did not have insertionpoints on the glass of either window or skylights. As a result, a frame around the window is a natural and structurally safe result.
Claude Hartman Sunlight Designs 35.13N 120.58W John Carmichael wrote: > Hi Tony & others, What do you think is the best method to attach a > metal rod gnomon to a stained glass sundial window? It's the most > frequent question I've been getting from the "Glassers". I do have an > article that Mike Cowham sent me that mentions that in the seventeenth > century, a threaded gnomon was usually bolted to a hole cut in the > glass. Of course that resulted in a lot of cracked glass and missing > gnomons, especially if the glass was thin. I am telling the people who > ask that if the glass is thin, it would be better to solder the gnomon > to the metal skeleton of the window or to thread the end of the gnomon > and screw it into a bolt hole that is in the metal skeleton. We're you > able to get a good look at Chris Daniel's dial? My personal feeling is > that screwing it to a bolt hole would be the easiest,most precise, and > strongest way of attachment. Of course, the rod would have to be bent > to the correct angle before it's bolted in. But I was wondering what > you think about this? Also, couldn't you attach it to the building, > just above the window, assuming it is practical and the design > permitted it? People are complaining that we don't have any sideview > photos of the gnomons and want to know what they look like. (I'm going > to draw several in Delta Cad and put it on the SGS site. And I think > I'll show them how latitude affects the gnomon angle too). John John > L. Carmichael Jr. > Sundial Sculptures > 925 E. Foothills Dr. > Tucson Arizona 85718 > USA Tel: 520-696-1709 > Email: [EMAIL PROTECTED] > Website: <http://www.sundialsculptures.com> -
