"barometer"
An air pressure measuring device is called a Barometer.
it is AIR PRESSURE
Mercury Barometer
The measure of the force exerted by air molecules on a surface per unit area is air pressure.
The measure of the weight of the air above us is called air pressure. Air pressure varies depending on your location.
"barometer"
An air pressure measuring device is called a Barometer.
"barometer"
aneroid barometer
aneroid barometer
aneroid barometer
aneroid barometer
aneroid barometer
aneroid barometer
aneroid barometer
well just right
air pressure