writing, and the penetrating screen
- Fig. 13
First photograph of “penetrating screen” in the path of the motions. The screen is erected in the plane of the edge of the table and the hand, arm, and face are penetrated by it, as can be plainly seen in the stereoscopic record.
“As is so often the case, invention was here held back by a belief. In this case it was, ‘two objects cannot occupy the same space at the same time.’ It took years to realise that, while this is usually true...“
from chapter “Chronocyclegraph Motion Devices for measuring achievement,” in Frank Bunker Gilbreth (1868-1924 *), Lillian Moller Gilbreth (1878-1972 *). Applied motion study : a collection of papers on the efficient method to industrial preparedness.
New York, 1919
Harvard copy, digitized April 21, 2008
same image (University of California copy) at archive.org
ambiguities; writing; grid
B. F. and L. M. Gilbreth, “Chronocyclegraph Motion Devices” (1919)