Cup anemometer on a roof. Anemometers are used to measure wind speed.

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Size: 5140px × 3404px
Photo credit: © CHRIS HELLIER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, anemometer, blue, building, cup, device, equipment, instrument, machine, measurement, measurements, measuring, meteorological, meteorology, roof, rooftop, sky, speed, technological, technology, weather, wind