Applied Motion Study
A Collection Method to industrial Preparedness
Forfatter: L.M. Gilbreth, Frank B. Gilbreth
År: 1918
Forlag: George Routledge & Sons, Ltd.
Sted: London
Sider: 220
UDK: 658.54 Gil
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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.
Fig. 14
First photograph of “ Direction of Motion.”
The pointed ends of the time spots show the direction of
the motion.
Fig. 15
First photograph showing that fast motions and slow mo-
tions of the hands and arms do not occupy the same paths
or orbits.