what is barometer??
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Barometer is a device used to measure atmospheric pressure.
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Barometer is a device used to measure atmospheric pressure. There are different types of Barometers. It was a scientist named Torricelli who first made a barometer and measured atmospheric pressure. Evangelista Torricelli was born in Italy on 15th October 1608. He was a physicist and mathematician.He went to Florence in 1641 to work with galeo.He formulated the principle of Barometer using mercury, as suggested by Galileo. He discovered that the change in the level of mercury in the tube is due to the change in atmospheric pressure. Accordingly he made a barometer in 1644.
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