Dynamometer, Chicago, United States, 1945-1955
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An apparatus for measuring force or power. In particular muscular effort of humans or animals, the power developed by a motor, or that needed to operate machinery. It commonly has a spring to be compressed or weight to be sustained by the force applied.
The measuring of body parts so that comparisons can be made. The aim is to measure normal and abnormal development. In the past, it has also been used in attempts to measure racial difference.