‘Gravure à l'Eau Forte, Machine à Balotter: pl. VI’, 1771/1779, National Gallery of Art, Washington, D.C.
plate: 35.3 x 22.3 cm (13 7/8 x 8 3/4 in.)  sheet: 40.2 x 26.3 cm (15 13/16 x 10 3/8 in.)