Architectural Study: The Measured Profiles of the Cornice and Entablature of the "Colonnacce" from the Forum Transitorium (the "Palace of Nerva")
Sangallo family · 1500–20

Pen and brown ink, over leadpoint, stylus ruling, and compass construction
Sangallo family · 1500–20

Pen and brown ink, over leadpoint, stylus ruling, and compass construction