Hey, pulltheotheroneithasbellson! I found another tower! 😀

From the Beinecke Rare book and Manuscript Library’s record:

La Sfera
Creator: Dati, Gregorio, 1362-1436
Language: Italian
Date: [between 1450 and 1500]Subjects:
Astronomy, Medieval
Italian poetry–15th century
Illumination of books and manuscripts, Medieval
Manuscripts, Medieval–Connecticut–New Haven
Early maps
Navigation–Early works to 1800
Medieval and Renaissance Manuscripts in Beinecke Library
Dati, Gregorio,–1362-1436

This is folio 17r.