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Salvino D'Amate invented the first wearable eye-glasses
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Galileo Galilei improved the telescope.
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Cornelius Drebbel made the compound microscope with 2 convex lenses.
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In 1667, Robert Hooke first invented the Microscope. He invented this to look at cells in cork and bark.
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In 1673, the Dutch amateur scientist Anton van Leeuwenhoek made amazing discoveries with simple, hand-held, single-lens microscopes. Whereas other microscopes of the time could only magnify objects so that they appeared 50 times bigger however his microscope was able to magnify objects up to 300 times.
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One year later, Anton van Leeuwenhoek used his microscope to become the first person to ever see single-celled organisms called protists.
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Christiaan Huygens.
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John Marshall invented the microscope base with an illumination system.
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Christian Gottlieb Hertel invented mirrors for illumination and constructed a micrometer eyepiece.
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John Cuff invented the double microscope.
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Georg Adams invented microscopes with revolving nosepiece
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Ernst Rusker invented the electron microscope.
