it is called BAROMETER
A barometer is used to measure atmospheric pressure. It can also measure altitude!
A barometer is used to measure atmospheric pressure. It can also measure altitude!
A barometer is used to measure atmospheric pressure. It can also measure altitude!
A barometer is used to measure atmospheric pressure. It can also measure altitude!
Barometers, such as mercury and aneroid barometers, are commonly used to measure atmospheric pressure. Other instruments like electronic pressure sensors and weather balloons equipped with instruments can also measure atmospheric pressure.
A pressure gauge or manometer is typically used to measure pressure above atmospheric pressure. These devices can accurately measure the pressure difference between the system being measured and atmospheric pressure.
A barometer is an instrument used to measure the atmospheric pressure. It does so by comparing the atmospheric pressure with a predefined standard pressure.
A barometer.
Barometers are used to measure pressure.
A barometer is a scientific instrument used to measure atmospheric pressure.
A barometer is an instrument used to measure atmospheric pressure.
the Barometer by Torricelli Type your answer here...