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What's a barometer? You know that it's that stupid thing that measures weather we know MORE
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How do Barometers work? Barometers work by measuring the air pressure and if there is a sudden drop in air pressure you'll be the first to KNOW!!!!!!!!!!!!!!
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History. It was made sometime between 1640 and 1643.By someone named Envangelista . Envangelista made many different kinds of barometers.
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