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jan 1, 1590 - Hans and Zacharias Janssen

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In the year 1590's Hans and Zacharias were known for inventing the compound optical microscope which made it easier and more practical to observe cells.

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Cell theory timeline Hazel Alicante

ByHazel Alicante
27 Sep 2017
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Date:

jan 1, 1590
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~ 436 years ago
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