Elliptical sprung dynamometer. Medical dynamometers are used to measure and analyse muscle strength. This example by P. Harris is English and dates from around 1900.
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Details
Creative#:
TOP11719795
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
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