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Hans Lippershey from netherlands made the telescope
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Galileo expirenments with magnets
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Robert Record used the > for the first time
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William Gascoigne made micrometer for measuring small angles in a telescope
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Blaise Pascal makes a calculating machine.
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Torricelli made the barometer
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Blaise Pacal proved the existence of the vacuum
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Christian Huygens made the fisrt pundlum clock
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William Clement put the minute hand on the clock
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Steam Water Pump made by Thomas Savery