Aneroid barometer
Aneroid Barometer Lucien Vidi. It is a device that measures air pressure using a flexible metal box and spring instead of liquids. It is commonly used in portable instruments and aircraft altimeter.
Aneroid Barometer Lucien Vidi. It is a device that measures air pressure using a flexible metal box and spring instead of liquids. It is commonly used in portable instruments and aircraft altimeter.