mar 22, 1850 - Coumpond microscope was refined
Description:
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.Added to timeline:
Date:
mar 22, 1850
Now
~ 175 years ago