Motion Study Photographs (1913-1917), from image verso: "Champion of Germany fencing. The lights are on the hilt and on the point of the rapier." Berlin, Jan. 27, 1914. Courtesy of Kheel Center, Cornell University
Wire model of foreman on drill press. This shows "positioning" in the midst of "transporting." Estimated 1915, Photographer Unkown Courtesy: Kheel Center, Cornell University