This is a fascinating wall clock. It even has the curves for the Equation of Time that convert a solar shadow to Mean Time. The slant is caused by the wall not facing due south. A perfect example of the sun dial maker's art. Fascinating.
Putting your pictures in my favorites is the highest honor I can give you. If I could, I would give you an award. But alas, I cannot. So the highest praise I can award you with, is faving your artwork.
Very fine capture Ed, showing us another part of the Italian cultural history.
Regards, Cornelius.