I'm afraid I'm only just catching up with this one, but I must say
the late Mrs. Alfred Gatty would be terribly disappointed that nobody, so
far as I know, has included the motto in their list. As that good lady put
the matter, whereas the gnomon, dail etc. form the body of the sundial,
the motto is its spirit. I count only the sunny hours!
Richard Crossley.
Dept. of Physics, University of York, England.
On Mon, 4 Jan 1999, Chuck O'Connell wrote:
> Hello All,
>
> Does anybody know of a 'fairly complete' list of things
> people put on their sundials? (sundial furniture)
>
> By this I mean hour lines, date lines, unusual uses, etc.
>
> There is a solar refraction phenomenon called
> 'circum zenithal arcs' which occur only when the sun is
> between 18 and 26 (or is it 16-28) degrees in the sky.
> It appears as a blue shifted rainbow that appears directly
> overhead as a circle centered at the zenith!
>
> I'm including lines on my sundial to show when the sun is
> between these altitudes.
>
> It got me wondering what else people have put on theirs.
>
> Chuck
>
