Dear John,
That is a great dial. I really must look
into this glass-based colouring that you
use. I can testify to its durability.
The six dials on the Gate of Honour at
Gonville and Caius College are made with
this technology and their colours look
almost as good as new after the better
part of
The sundial likely sees sun through the summer. The latitude of Toronto is
about 43.5. The maximum altitude of the sun at noon would be 70°
(90-43.5+23.5). The tangent of 70 is 2.75. The shadow from the eves would
project down by 2.75 times in the worst case. This may shadow the dial but not
th
Hi John,
A lovely looking sundial. Looks as if the house was made to fit the sundial.
During summer time, does the shadow from the house cover the sundial.
Roderick Wall.
From: John Carmichael
Sent: Tuesday, September 28, 2010 7:47 AM
To: 'Sundial Mailing List'
Subject: New Porcelain Wal
Hi Brent
I'm not sure where you live, but if you are at 45 degrees, both angles,
latitude and co-latitude, would obviously be the same.
For a fuller explanation I suggest you look at "How Sundials Work" on the
British Sundial Society's website: www.sundialsoc.org.uk - it is an
excellent guide.
Best
