Drawing of a central planned church
Where: Manuscript B, folio 18 Year: 1487-90

Description:
The sepia ink and pen drawing, which can be dated to between 1487 and 1490, shows the church as well as other architectural features. Above, a section of a fortress with a moat and counterscarp; on the side, notes for guards on how to make their rounds, both in peace and at war. Below, (not reproduced here) a plan and perspective view of a corner section of a fortress, with a protruding quadrangular mill body.