Re: Sunsweep sculpture

2016-08-16 Thread Roger Bailey
Hi Steve, Good spotting! Thanks for the posting. I am pleased to see the sculptor donated these pieces over 30 years ago. I would not want to pay for them through a government grant. They are simple granite slabs aligned east west swooping up east to west on the east coast, two triangle mid c

RE: Sunsweep sculpture

2016-08-16 Thread Dave Bell
So, this is the western-most piece of the "arch". Sad that it appears to have been broken. Well, if the plane of the arch is oriented E-W, and it's vertical, as it appears tobe, then the normal to the plane faces North, though no to Polaris. He equinoctial; sunrises and sunsets would also be due E

Sunsweep sculpture

2016-08-16 Thread Steve Lelievre
Hello, Has anyone encountered the set of sculptures called Sunsweep by David Barr? It consists of three pieces at sites along the Canada-USA border (Campobello NB, Point Roberts WA, Lake of the Woods, MI) and together they are meant to represent a conceptual arch symbolizing friendship betwee

Re: Double analemma dials

2016-08-16 Thread Fred Sawyer
Hi Fabio This use of an analemma design on the analemmatic dial has been a confusing error that goes back at least to the early 20th century introduction of the curve on the dial in Brou, France. The use of a double analemma design with curves calculated to limit error to just a few minutes throu

Re: R: Double analemma dials

2016-08-16 Thread Willy Leenders
Fabio, The misconception you justifiably complained was already in use when sundial illiterates added a analemma loop to the oldest known analemmatic sundial in Bourg-en-Bresse (France) at the monastery of Brou. Willy Leenders Hasselt in Flanders (Belgium) Visit my website about the sundial

R: Double analemma dials

2016-08-16 Thread fabio.savian
hi all, I draw inspiration from the image sent by Brian Albison for a meditation. I often found analemmatic sundials with the analemma. Has it a sense ? Standing on the analemma one can get the right correction for eot only at noon. Most of these sundials don't report a warning about it, so the