Re: An unusual Polyhedron

2007-06-15 Thread JOHN DAVIS
Hi Frank, Thanks for your kind comments on the Bulletin cover. I think you are a little harsh on the Downing Site polyhedral dial: I don't know of many dials with a gnomon pierced with the outline of a camel (alluding to eye's of needles, perhaps?!) or which shows so well that the

Re: An unusual Polyhedron

2007-06-15 Thread Roger Bailey
If others are interested in what the Cambridge Polyhedron dial looks like, I have posted my picture of it at www.walkingshadow.info. Click on Images and then CamPoly.jpg. The picture is compressed for the web, only about 103 kb. I suppose the sundial is multifaceted to reflect Cambridge grads.

Rotating Sundials

2007-06-15 Thread Edley McKnight
Dear Dialers, While we are on the subject of rotating dials around their gnomons or other lines parallel to the earth's axis ( Or not so very far off of the subject ) Other things can be accomplished by the rotation as well as EOT, Longitude and Daylight savings compensations. For instance a