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Hi Frank and everyone,
I've seen some info on bifilar sundials, and they look very interesting. I
thought I would try to make a simple one (if that is possible). An east
and/or west facing vertical dial would be the most useful at my location.
Actually the surfaces I would be using decline a little south of west and
To discuss
Harris
HarrisMorrison
4855 draper
Montréal, H3X3P6
har...@shepherdswatch.com
514-487-5544
> On May 28, 2017, at 6:01 AM, sundial-requ...@uni-koeln.de wrote:
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From: Roger Bailey
Sent: Sunday, May 28, 2017 9:32 PM
To: Nathaniel Shippen ; sundial@uni-koeln.de
Subject: Re: East/West Vertical Bifilar Sundial
Hello Nathaniel,
Yes, it is quite doable. Here is a sketch produced with Fer De Vries Zon 2000
for a bifilar in Honolulu Hawaii, lat 21.3°
