A balloon barometer measures atmospheric pressure.
The barometer is the instrument that is used to measure the air pressure.
A barometer is used to measure air pressure. It measures the atmospheric pressure using air, mercury, or water and will be shown as inches of mercury or millibars.
It is called a barometer, first developed in the 1600's
barometer
Maybe you mean what does a mercury barometer measure. In which case the answer is atmospheric pressure.
barometer is used to measure air pressure
A barometer is an instrument used to measure atmospheric pressure. A circle does not have a barometer!
A barometer measures wind speed
No, a barometer measures pressure.
A barometer is an instrument used to measure atmospheric pressure.
Barometer
The barometer is the instrument that is used to measure the air pressure.
Usually the instrument used is called a barometer- which could be a closed end manometer or an aneroid barometer.An altimeter actually also measures atmospheric pressures - but for a different purpose.
It measure the Atmospheric Pressure.
A barometer is used to measure air pressure. It measures the atmospheric pressure using air, mercury, or water and will be shown as inches of mercury or millibars.
It is called a barometer, first developed in the 1600's
A Mercury barometer is used to measure atmospheric pressure.