Use a barometer
Air pressure is measured with a barometer.
A portable barometer that uses a small flexible metal box instead of liquid is called an aneroid barometer.
barometer has mercury inside it .
The plural for barometer is barometers.
It was not used as a barometer.
A mercury barometer.
A barometer measures atmospheric pressure.
A barometer is an instrument used to measure atmospheric pressure. A circle does not have a barometer!
The barometer measures atmospheric pressure.
Our barometer says that the atmospheric is at 60 %
how do meteorologist use a barometer