cma-photography-department:

Roman Aqueduct, Beaunant, France, F. Chabrol, c. 1857, Cleveland Museum of Art: Photography

Size: Image: 24.2 x 31.1 cm (9 ½ x 12 ¼ in.); Matted: 55.9 x 66 cm (22 x 26 in.)
Medium: albumen print from wet collodion negative

https://clevelandart.org/art/1995.233