The Claudian Aquaduct; Rome; Francis Towne; 1740-1816; British; 1785; Watercolor with pen and black ink; over graphite on medium; slightly textured; cream laid paper; Sheet: 12 5/8 x 18 1/2 inches (32.1 x 47 cm) and Contemporary drawn border: 17 x 23 inches (43.2 x 58.4 cm); arches; architectural subject; Grand Tour; landscape; people; ruins; Rome