22 mar 1850 año - Coumpond microscope was refined
Descripción:
In the 1850s, German engineer Carl Zeiss began making refinements to the lenses he used in the microscopes he manufactured. In the 1880s, Zeiss hired glass specialist Otto Schott, who conducted research on the optical glass, making an improvement of the optical quality of the microscope.
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KF microscope history
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