The armillary sphere is wrong, because the obliquity is too big. The ecliptic runs between the arctic and antarctic circles instead of the tropics. Compare with the picture on the right. I have a separate page about such “Fake” Armillary Spheres.
Web Server Statistics for Helmer Aslaksen, produced by Analog.
I use the W3C MarkUp Validation Service and the W3C Link Checker.