Header ---
From : [EMAIL PROTECTED]
To : "James E. Morrison" [EMAIL PROTECTED]
Cc : [EMAIL PROTECTED]
Date : Wed, 9 Apr 2008 12:01:06 +0930
Subject : Re: Astronomical Clocks
Dear Jim,
Thanks for the reference. I took a copy out of our
TECTED]
Cc : [EMAIL PROTECTED]
Date : Wed, 9 Apr 2008 12:01:06 +0930
Subject : Re: Astronomical Clocks
> Dear Jim,
>
> Thanks for the reference. I took a copy out of our library the other day.
> Amongst the many other things which were utterly unknown to me were 18t
t know if it is still available.
Best wishes.
Gian
-- Initial Header ---
>From : [EMAIL PROTECTED]
To : "James E. Morrison" [EMAIL PROTECTED]
Cc : [EMAIL PROTECTED]
Date : Wed, 9 Apr 2008 12:01:06 +0930
Subject : Re: Astronomical Clocks
eter Mayer
Sent: 09 April 2008 03:31
Subject: Re: Astronomical Clocks
Amongst the many other things which were utterly unknown to me
were 18th century clocks which incorporated Equation of Time 'kidneys'
so that they could read sundial time! Is the Dialist's Companion the
only
TECTED]
Cc : [EMAIL PROTECTED]
Date : Wed, 9 Apr 2008 12:01:06 +0930
Subject : Re: Astronomical Clocks
> Dear Jim,
>
> Thanks for the reference. I took a copy out of our library the other day.
> Amongst the many other things which were utterly unknown to me were 18t
Dear Jim,
Thanks for the reference. I took a copy out of our library the other day.
Amongst the many other things which were utterly unknown to me were 18th century
clocks which incorporated Equation of Time 'kidneys' so that they could read
sundial time! Is the Dialist's Companion the only
I just ran across this photoset today.
Along the same lines as the Prague clock, and reminds me of Jim's
beautiful astrolabes...
http://www.flickr.com/photos/seangallagher/sets/72157604323095889/detail/
or
http://tinyurl.com/5fjs3q
Dave
---
https
I found a review of "Geared to the Stars" online, and it looks like a
fantastic reference. While it's out of print, I'm lucky that there's a
nearby library with a copy. I hope to go there soon to take a look.
Thanks for calling this to my attention. Many people have built
amazing astronomica
The best reference on geared astronomical machines, including monumental clocks
such the Prague clock is:
King, Henry C., "Geared to the Stars", University of Toronto Press (1978).
(The late professor King also wrote "The History of the Telescope".)
This book has a fairly detailed description o