Chemistry, 28.05.2021 01:30 dakotaadkins20

Who am I? Clue one: I am an instrument to measure wind speed.
Clue two: I have three or four cups mounted on the ends of spokes.
Clue three: A speedometer attached to my axle will show the wind speed.

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Who am I? Clue one: I am an instrument to measure wind speed.
Clue two: I have three or fou...