Eadweard Muybridge
Plate 109, Animal Locomotion: Ascending a stepladder
1872-1885 / printed 1887
Collotype
7 1/2 x 14 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. I, p. 56