Aneroid barometer short note
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In 1844, the French scientist Lucien Vidi invented the aneroid barometer. An aneroid barometer has a sealed metal chamber that expands and contracts, depending on the atmospheric pressure around it. Mechanical tools measure how much the chamber expands or contracts.
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- An aneroid barometer is an instrument for measuring pressure as a method that does not involve liquid.
- Though other liquids can be used in a barometer, mercury is the most common.
- Barometric pressure has important effects on water chemistry and weather conditions. It affects the amount of gas that can dissolve in water. More gas, such as oxygen, can dissolve in water under higher pressure when compared to lower air pressure.
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