Robinson's Anemometer, 1846
Illustration of the anemometer invented by Dr. John Thomas Romney Robinson, of Armagh Observatory, in 1846. This is a device for measuring wind speed, and is a common weather station instrument. By counting the number of rotations of the cups over a set period of time one can deduce the wind speed.
Size: 4200px × 2430px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
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