Aneroid Barometer 2


Aneroid Barometer 2 : (Meteor) An instrument for atmospheric pressure measurements, consisting of a thin-walled, sealed chamber that expands and contracts with variations in atmospheric pressure. Note: This movement is amplified through levers to move a pointer on a dial. The same instrument is used in height meters called altimeters. In the laboratory a similar, but less sensitive, instrument is called a Bourdon gage. See: Barometer
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