MICROSCOPE
Invention: invented by
either Zacharias Janssen
of the Netherlands or Gallielo
Galielei of Italy by the end of fifteenth century.
It was Antony van leeuwenhoek, who the first time used a
crude (1676), simple microscope consisting of a bioconcave lens enclosed in two
metal plates to describe protozoa and bacteria.
Robert
Hooke
had used a compound microscope in eighteen century.
Ø Classification of
microscope depending upon the principle which magnification is based.
Figure: Categories of Microscope
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