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A reading stone was invented to see fine print in 1000 A. D
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Zacharias Jansen used a tube and lenses to create a microscope.
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Galileo Galilei develops a compound microscope with a convex and a concave lens.
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Robert Hook discovered cells on flees with his microscope.
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Anton Van Leeuwenhoek discovers germs with microscope. He observed bacteria and organisms. Leeuwenhoek did not have higher education but created a microscope.
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Benjamin Franklin invented bifocals.
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Charles A. Spencer, an American invented a modern microscope.
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Adolf Eugen Fick invented contact lenses made of glass.
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Moritz Von Rohr, who invented the first aspheric lenses. Meaning, he made it possible to have thinner lenses.
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Fyodorov was an eye surgeon.
