Tony, John, Robert and all, Several people wanted a quick answer and sketches of the particular ridge dial mentioned, not a more complete coverage of ridge dials at this time. So, Here it is in acrobat pdf form. http://www.vandp.com/redvand.pdf It is about 100K in size.
Enjoy the Light! Edley McKnight [43.126N 123.527W] mailto: [EMAIL PROTECTED] -
