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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