Partially evacuated in aneroid barometer meaning
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Aneroid barometer is used for measuring air pressure .It has one partially evacuated chamber which means it has chamber which is comparable to vacuum. Air pressure is measured by expansion or contraction in vacuum chamber .
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Aneroid barometer is used for measuring air pressure .It has one partially evacuated chamber which means it has chamber which is comparable to vacuum. Air pressure is measured by expansion or contraction in vacuum chamber .
With regards