Re: strange longitude

2007-04-22 Thread John Foad
But would anyone claim to measure declination to seconds of arc? Still seems a puzzle to me! Regards, John - Original Message - From: Frank King [EMAIL PROTECTED] To: fer de vries [EMAIL PROTECTED] Cc: sundial [EMAIL PROTECTED] Sent: Saturday, April 21, 2007 10:28 PM Subject: Re:

strange longitude

2007-04-22 Thread Gianni Ferrari
I have tried to look for the photos of the sundial of the Old Grammar School in Hawkshead that are in internet and I have found: 1 - http://www.visitcumbria.com/amb/hawkgrsc.htm ( la fotografia inviata da Fer de Vries) 2 - in http://www.sundialsoc.org.uk/Dotm/jul2001.htm 3 -

Re: strange longitude

2007-04-22 Thread Frank King
But would anyone claim to measure declination to seconds of arc? Hmmm. That's one reason why I hesitated to make the suggestion but there are three tiny points to note: 1. The meridian line in the Basilica di S. Maria degli Angeli in Rome was laid down in 1702 and that IS true

Re: Porcelain Sundials

2007-04-22 Thread Frank King
Dear John, Thank you for your message. I was delighted to have the opportunity to meet you face to face at the BSS conference and to hear about the techniques you use... especially our discussions about the possibility of using durable fired porcelain instead of paint I shall certainly

Re: strange longitude

2007-04-22 Thread Frank King
Dear Gianni, You are truly wonderful! You have, come sempre, solved the problem! We have all these people on the English list wondering about PL and we have to wait for you to interpret our English! I didn't think of the Geocentric Latitude and I certainly didn't think of the Reduced Polar

Porcelain Sundials

2007-04-22 Thread John Carmichael
Dear Frank (cc Sundial List): I just wanted to tell you how much I enjoyed seeing you and getting a chance to talk with you at the conference, especially our discussions about the possibility of using durable fired porcelain instead of paint for the replacement of old deteriorated painted

Re: Porcelain Sundials

2007-04-22 Thread JOHN DAVIS
Hi John and sundiallists everywhere, You might be interested to know that Harriet James and I are currently making a vitreous enamel on steel dial to replace an art-deco painted steel dial on a private house. The original iron scrollwork gnomon will be reused. The firm doing the

RE: Porcelain Sundials

2007-04-22 Thread John Carmichael
Hi Frank: I think the terms: fired porcelain, baked porcelain, or porcelain enamel mean the same thing. I have heard the term baked or fired enamel used in reference to porcelain. But you are right, baked enamel usually refers to oil based paints or powder coats that are baked on at low

Re: Porcelain Sundials

2007-04-22 Thread Frank King
Dear John, Does anybody know if the four round blue dials on the tower at Westminster Abbey in London are made of porcelain (vitreous enamel)? They are on the Tower of the Church of S. Margaret's Westminster (quite different from Westminster Abbey) and are by Christopher Daniel. You can see