More 23.5-degree and 52-degree references.
Remember our friend Edwart Collier who painted all those Vanitas paintings?
Well you will appreciate the paintings on this page.
Also the name Arcadia appears to be associated with these references to the obliquity of the earth's axis, as I would expect - because in my view Arcadia is a reference to the Golden Age - the 'First Time' or the 'time before time' when the earth was upright - or so the people who encoded these references believed.
I don't see this going off topic, as the same angles are referenced in the map of washington.