Piranesi, Giovanni Battista. Plate VII: The Drawbridge (Le Calpace), from Carceri d'Invenzione (Imaginary Prisons). 1749–1750; reworked c. 1761. Etching with engraving, 54.5 × 41.5 cm (21 1/2 × 16 3/8 in.). Metropolitan Museum of Art, New York. Harris Brisbane Dick Fund, 1937, accession no. 37.45.3(25).
