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sep 21, 1800 - Microscopes become more popular among scientists

Description:

Microscopes become better and easier to handle, which causes the use of the microscope to become more popular among scientists. An important discovery is that lenses combining two types of glass could reduce the chromatic effect, with its disturbing halos resulting from differences in refraction of light.

Added to timeline:

Date:

sep 21, 1800
Now
~ 225 years ago