PREI don't think you should include 'garden' as a type of horizontal sundial
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or any! Gardens could have as many types of dial as exist! David Brown 51.05N
2.74W
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Hi Dave,
There is a real story like this.
I quote from my WEB site:
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Eise Eisinga (1744 - 1828), Netherland. Eise Eisinga was an autodidact, who,
by 18 years of age, had already written his book with many drawings of plane
sundials, titled: Gnomonica of Sonnewijsers, alle door passer en
Hi Anselmo,
Your note reminded me of Asimov's classic story Nightfall which is based
on a variation on this theme. In a multi-sun universe, people panic and
civilization collapses when all the suns set, night falls and the stars
shine in the dark sky.
Asimov wrote that The writing of Nightfall
Let me clarify my terminology.
I used directional as a category because it is the traditional name for
this group and the one used by historians and curators. Frankly, like most
of you, I prefer hour angle. So let's use that for the discussion. I
don't think RA is appropriate here, since
