Dear Chris, John [Davis], et al
Thank you for your replies. I do remember the Allen
Mills article and will dig it out. Amongst other
things I think he noted that the solar disc isn't
as bright at the edges as in the centre (astronomers
call this limb-darkening) and the obvious point that
]
To: Chris Lusby Taylor [EMAIL PROTECTED]
Cc: sundial@uni-koeln.de
Sent: Sunday, February 17, 2008 10:22 AM
Subject: Re: Monumental Sundial; 14 missing seconds
Dear Chris,
I am a bit behind with my reading and I have only
just read your comments, and corrected comments,
on the umbra
I have put the files of my articles in Mediafire
:
*The Shadow And Penumbra Of A Rectilinear Element* in
http://www.mediafire.com/?9dmzgtm3fd1
*Le Proprietá dell'ombra – Aspetti Gnomonici (The Shadow's propreties –
Gnomonic Aspects (in Italian) in :*
http://www.mediafire.com/?6ys1mnztowm
**
you guys think?
John
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Roger Bailey
Sent: Sunday, February 17, 2008 10:33 PM
To: Chris Lusby Taylor; Frank King
Cc: sundial@uni-koeln.de
Subject: Re: Monumental Sundial; 14 missing seconds
I remember John
Dear Chris,
I am a bit behind with my reading and I have only
just read your comments, and corrected comments,
on the umbra discussion.
Subject to your corrections, I concur with almost
all you say but I feel a little amplification of
one of your follow-up remarks is needed. You
say...
If the
or
growing.
Regards
Chris
- Original Message -
From: Frank King [EMAIL PROTECTED]
To: Chris Lusby Taylor [EMAIL PROTECTED]
Cc: sundial@uni-koeln.de; [EMAIL PROTECTED]
Sent: Sunday, February 17, 2008 6:22 PM
Subject: Re: Monumental Sundial; 14 missing seconds
Dear Chris,
I am a bit
Dear Frank, Chris and the List,
An experiment to determine the position of the shadow edge was reported by
Allan Mills in his article Sunlight and Shadows - or, what's the point of big
sundials?, British Sundial Society Bulletin 96(1) pp.22-27 (February 1996).
Allan's key result for the
comments to refresh
my memory.
Regards,
Roger Bailey
- Original Message -
From: Frank King [EMAIL PROTECTED]
To: Chris Lusby Taylor [EMAIL PROTECTED]
Cc: sundial@uni-koeln.de
Sent: Sunday, February 17, 2008 10:22 AM
Subject: Re: Monumental Sundial; 14 missing seconds
Dear Chris,
I am