Anemometer. View of a four-cup anemometer, used to measure wind speed. The wind makes the cups rotate around a central shaft. As they rotate, centripetal force makes the yellow arms move outward, lifting the indicator ring that shows the wind speed on the central stalk.
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Details
Creative#:
TOP15205148
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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