Eadweard Muybridge 1893 The building containing the lateral battery of twenty-four photographic cameras, all of which were used when as many consecutive phases of an act of motion were required
Book illustration University of Pennsylvania - University Archives and Records Center Eadweard Muybridge Descriptive Zoopraxography or the Science of Animal Locomotion made popular (University of Pennsylvania: Bureau of Education at the World's Columbian Exposition, in Zoopraxographical Hall, 1893), p.15, fig.1.
