1590 - Zacharias Janssen inventing the first truly compound microscope (two lens in a tube)., 1665 - Roberth Hooke, English Physicist, looked and discovered the first cell. He looked at a sliver of a cork through a microscope lens and notice some pores or cells in it., 1674 - Anton van Leeuwenhoek built a simple microscope with only one lens. He examine blood, yeast, insects and many other tiny objects. He was the first person to describe the bacteria., 1931 - Ernst Ruska invented the electron microscope. It make possible to view objects as small as the diameter of an atom.,

SCIENCE 7TH GRADE - MICROSCOPE TIMELINE

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