Elevation of a door case for the center of a façade in the main floor1790 · Graphite on laid paper17.4 x 14.3 cm (6 7/8 x 5 5/8 in.)Cooper Hewitt, Smithsonian Design Museum
Design for a gate, for the reception of Pope Pius VI returning from Germany, in Ancona1782 · Graphite, brush and gray watercolor, pen and ink on paper26.3 x 18.2 cm (10 3/8 x 7 3/16 in.)Cooper Hewitt, Smithsonian Design Museum
Niche with a Statue of a Female Saint1780 · architecture, drawing — graphite, brush and gray watercolor on cream laid paperMat: 35.6 x 45.7 cm (14 x 18 in.)Cooper Hewitt, Smithsonian Design Museum
Design for an Altar1780 · architecture, drawing — graphite, brush and gray watercolor on cream laid paper25.8 x 17.5 cm (10 3/16 x 6 7/8 in.)Cooper Hewitt, Smithsonian Design Museum
Design for an Altar1780 · architecture, drawing — pen and brown ink, brush and gray wash, black chalk, streak of brown chalk on white laid paperH x W: 32.4 × 20.5 cm (12 3/4 × 8 1/16 in.)Cooper Hewitt, Smithsonian Design Museum
Section of an apse1780 · architecture, drawing — pen and ink, graphite on paper38 x 27.5 cm (14 15/16 x 10 13/16 in.)Cooper Hewitt, Smithsonian Design Museum
Urania1780 · figures, drawing — black crayon, brush and gray watercolor on laid paperH x W: 19.1 × 12.2 cm (7 1/2 × 4 13/16 in.)Cooper Hewitt, Smithsonian Design Museum
Design for an Altar1780 · architecture, interiors, drawing — pen and brown ink, brush and gray wash, black chalk on white laid paperH x W: 35.5 × 17.2 cm (14 in. × 6 3/4 in.)Cooper Hewitt, Smithsonian Design Museum
Six capitals of pillars, with alternative suggestions1780 · Pen and black ink, brush and brown, gray wash, traces of graphite on off-white laid paper42.5 x 28.3 cm (16 3/4 x 11 1/8 in.)Cooper Hewitt, Smithsonian Design Museum
Elevation of a mansion for the marchese Genzani1780 · Graphite, pen and ink, brush and wash on laid paper30.2 x 41.4 cm (11 7/8 x 16 5/16 in.)Cooper Hewitt, Smithsonian Design Museum
Head of a dolphin1775 · Pen and ink, brush and gray watercolor on paper16.5 x 22.5 cm (6 1/2 x 8 7/8 in.)Cooper Hewitt, Smithsonian Design Museum
The elevation of the lower central part of a town mansion1770 · Graphite, brush and gray watercolor on paper24.9 x 12.5 cm (9 13/16 x 4 15/16 in.)Cooper Hewitt, Smithsonian Design Museum
Design for a Window Case1770 · Pen and ink on laid paper18.3 x 9.8 cm (7 3/16 x 3 7/8 in.)Cooper Hewitt, Smithsonian Design Museum
A Sailing Vessel1770 · Pen and ink on laid paper17.1 x 12.1 cm (6 3/4 x 4 3/4 in.)Cooper Hewitt, Smithsonian Design Museum
Decoration of a Frieze1770 · Black crayon, pen and sepia ink, brush and gray watercolor on laid paper12.7 x 40.5 cm (5 in. x 15 15/16 in.)Cooper Hewitt, Smithsonian Design Museum
A Sailing Vessel1770 · Pen and ink on laid paper19.8 x 15.9 cm (7 13/16 x 6 1/4 in.)Cooper Hewitt, Smithsonian Design Museum
The mask of a warrior1770 · Graphite, pen and ink, brush and gray watercolor on laid paper35.1 x 37 cm (13 13/16 x 14 9/16 in.)Cooper Hewitt, Smithsonian Design Museum
Studies for Entablatures and Pediment1770 · Pen and ink, brush and gray watercolor on laid paper23.7 x 16.9 cm (9 5/16 x 6 5/8 in.)Cooper Hewitt, Smithsonian Design Museum
Three Window or Door Cases1770 · Charcoal, pen and ink, brush and gray watercolor on laid paper19.8 x 12.3 cm (7 13/16 x 4 13/16 in.)Cooper Hewitt, Smithsonian Design Museum
Designs for Silver Tureen1769 · Graphite, pen and sepia ink, brush and gray watercolor on paperMat: 40.9 x 56 cm (16 1/8 x 22 1/16 in.)Cooper Hewitt, Smithsonian Design Museum
Design for an Overdoor1765 · Charcoal, brush and gray, dark brown watercolor on laid paper12 x 10.1 cm (4 3/4 in. x 4 in.)Cooper Hewitt, Smithsonian Design Museum
Design for a Console and Escutcheon1763 · Charcoal, brush and dark brown, gray-brown watercolor on laid paper19.3 x 16 cm (7 5/8 x 6 5/16 in.)Cooper Hewitt, Smithsonian Design Museum