Answer: anemometer

AnswerCrossword Clue
ANEMOMETERWeather station gadget
ANEMOMETERWind-speed measurer
ANEMOMETERKid's science project, maybe
ANEMOMETERMeteorlogist's machine
ANEMOMETERSpinner in the wind
ANEMOMETERWind gauge.
ANEMOMETERInstrument showing wind velocity.
ANEMOMETERWind-speed recorder
ANEMOMETERWind gauge
ANEMOMETERWeather instrument
ANEMOMETERThis measures wind speed
ANEMOMETEROne receiving measured blows?
ANEMOMETERWind instrument
anemometerAn instrument for measuring the speed of the wind, or of any current of gas
anemometeran instrument for measuring wind velocity