and a sundial for my office.
The sundial is intended to be mounted on the wall, which does not lie in a cardinal direction. It's therefore what is called "vertical declining" sundial. My office wall is parallel to 130 degrees, so the gnomon lies off center and the spacing of the hour lines isn't uniform. I built it according to the description given in
A. Waugh, Sundials: Their Theory and Construction, Dover, 1973.
Hopefully it'll work!
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