I have recently been shown an interesting brass heliochronometer made by W.
Homan of Glasgow according to his patent 18,568 of 1911. (I hope to receive
a copy of the patent shortly.)
It is quite large, based on a 13 1/2 diameter hemisphere. It has two
gnomons, upright brackets carried on and
Dear Andrew,
have a look at the most recent 'Sundial Page' in Clocks magazine (written
by Chris Daniel of the BSS), which deals with these instruments made by
Homan. He too has just found an exaple, and would like to know of other
examples.
regards
peter tandy
At 12:33 PM 7/31/02 +0100, you
]
To: sundial@rrz.uni-koeln.de
Sent: Wednesday, July 31, 2002 7:33 AM
Subject: Heliochronometer by Homan
I have recently been shown an interesting brass heliochronometer made by
W.
Homan of Glasgow according to his patent 18,568 of 1911. (I hope to
receive
a copy of the patent shortly.)
It is quite
Subject: Heliochronometer by Homan
I have recently been shown an interesting brass heliochronometer made by
W.
Homan of Glasgow according to his patent 18,568 of 1911. (I hope to
receive
a copy of the patent shortly.)
It is quite large, based on a 13 1/2 diameter hemisphere. It has two
!
Andrew James
N 51 04' W 01 18'
-Original Message-
From: Brooke Clarke [mailto:[EMAIL PROTECTED]
Sent: 31 July 2002 17:03
To: sundial@rrz.uni-koeln.de
Subject: Re: Heliochronometer by Homan
All US patents are on line.
Sources for free on line TIF viewers can be found under help\How
: Heliochronometer by Homan
All US patents are on line.
Sources for free on line TIF viewers can be found under help\How to Access
Patent Full-page Images.
Older patents can only be accessed by traditional US class number or patent
number, none of the other search methods will work.
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