The August Sky and Telescope mentions an addition to Robert Urshel's
wonderful Analemma site http://www.analemma.com Go to Other Phenomenon
and download SunGraph. This program produces a graph of the sunrise and set
through the year for the location you specify. It clearly shows the
equation of
Steve, Bob, and everyone,
I do not think I have ever seen 0 on a sundial, nor on a clock.
I seem to remember a sundial which had an Arabic 12 with all other numerals
Roman - or was it vice versa? - but cannot think where. I would say that in
England the simple cross + or cross pattee (more
I do not think I have ever seen 0 on a sundial, nor on a clock.
I seem to remember a sundial which had an Arabic 12 with all other numerals
Roman - or was it vice versa? - but cannot think where.
a 0 together with roman numerals doesn't sound logic: the romans did not
know the number 0 !
Michael Koblic wrote:
- Original Message -
From: Bob Haselby [EMAIL PROTECTED]
To: Clem Padin [EMAIL PROTECTED]
Cc: sundial@rrz.uni-koeln.de
Sent: Monday, July 17, 2000 10:10 AM
Subject: Re: Sundials in Vancouver?
Clem Padin wrote:
I'll be traveling to Vancouver in a
At 10:40 AM 7/19/00 +0100, Andrew James wrote:
Steve, Bob, and everyone,
I do not think I have ever seen 0 on a sundial, nor on a clock.
The dial on my deck rail has a nought for noon. It is a standard garden
shop horizontal dial, a cheap imported brass casting given to me years ago
by a