An early microscope was made in 1590 in Middelburg, Netherlands
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The history of the microscope and the electro microscope
Giovanni Faber coined the name microscope for Galileo Galilei's compound microscope in 1625
In the 1660s the microscope was used extensively for research in Italy, The Netherlands and England.
On the 9 October 1676, Van Leeuwenhoek reported the discovery of micro-organisms using a microscope
The first electromagnetic lens was developed in 1926 by Hans Busch
physicist Leó Szilárd tried in 1928 to convince Busch to build an electron microscope
In 1933, Ruska built an electron microscope that exceeded the resolution attainable with an optical (light) microscope
The first practical electron microscope was constructed in 1938, at the University of Toronto, by Eli Franklin Burton and students Cecil Hall, James Hillier, and Albert Prebus