Explain the working of both types of barometer .
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There are two main types of barometers: mercury and aneroid.
Mercury barometer is used for measuring atmospheric pressure. It is a device that consists of an upside-down tube filled with mercury that is in a vessel full of mercury.
Aneroid barometer is a device for measuring atmospheric pressure, often specially calibrated for use as an altimeter, consisting of a box or chamber partially exhausted of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air.
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An aneroid barometer measures air pressure without using liquid. A mercury barometer measures air pressure using liquid mercury...
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