The introduction of the electron microscope in the 1930's filled the bill. Co-invented by Germans, Max Knoll and Ernst Ruska in 1931, Ernst Ruska was awarded half of the Nobel Prize for Physics in 1986 for his invention.
An E.M = electon microscope
An E.M = electon microscope
Light microscope were used to discover cells
Robert Hooke was the first to discover and invent the microscope in 1655.
Zacharias Janssen discovered the compound microscope
Single lens microscope
Light microscope were used to discover cells
the mechanical microscope
He used the microscope!!!
cells
Zaccharias janssen
No, he didn't discover it but obsered it through his primitive microscope.