Eadweard Muybridge
Plate 673, Animal Locomotion: Sow walking
1872-1885 / printed 1887
Collotype
6 1/4 x 18 1/4 in. image on 18 3/4 x 23 3/4 in. paper
Illustrated:
Eadweard Muybridge, The Complete Human and Animal Locomotion, New York: Dover, 1979, vol. 3, p. 1364