Eadweard Muybridge
Plate 140, Animal Locomotion: Descending stairs, looking around and waving a fan
1872-1885 / printed 1887
Collotype
11 3/4 x 9 7/8 in. image on 18 1/2 x 23 1/2 in. sheet
Illus.: Muybridge’s Complete Human and Animal Locomotion: Dover, 1979, Vol. II, p. 966
