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Torricelli, Evangelista

Torricelli, Evangelista ?vnj?l?st t?r-r?ch?ll? [key], 1608?47, Italian physicist and mathematician. He was Galileo's secretary (1641?42) and his successor as professor of philosophy and mathematics at Florence. He invented the barometer (1643), called the Torricelli tube, and a microscope, and he improved the telescope.

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