The Drawbridge, from Carceri d'invenzione (Imaginary Prisons). Artist: Giovanni Battista Piranesi (Italian, Mogliano Veneto 1720-1778 Rome). Dimensions: plate: 21 5/8 x 16 1/8 in. (54.9 x 40.9 cm) sheet: 24 15/16 x 19 7/16 in. (63.4 x 49.3 cm). Publi