Top row: section of a dado; ornament. Second row: elevation of a gateway of a palace. Arched door opening flanked by wall panels and Doric columns. Statues and reliefs are to decorate the panels. Balustrade on top. Elevation of a gateway of a prison. the door opening is in the rear wall of a vestibule, which is bordered in front by two Doric columns and flanking pylons. Crossed bars. Bottom: elevation of a doorway for barracks. The door opening is flanked by wall panels from which pedestals with trophies of arms project. Beneath: plan. A trophy of arms. Elevation of a doorway for a casino. Oblong opening flanked by embedded Doric columns. Balustrade on top. Pen and brown ink, brush and brown wash on off-white laid paper. Date: 1780-1790. Museum: Cooper Hewitt, Smithsonian Design Museum.