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A brief history of how the light microscope has developed since the 17th Century to the present day.  

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BIOLOGY A.S. LEVEL INDUCTION TASK: The History, Development and Use of the Light and Electron Microscope A brief history of how the light microscope has developed since the 17th Century to the present day A microscope is "an instrument that enables the human eye, by means of a lens or combinations of lenses, to observe enlarged images of tiny objects. It made visible the fascinating details of worlds within worlds." 1 The earliest simple microscope was a tube with a plate for the object at one end and, at the other, a lens that gave a magnification less than 10 times the actual size. Around 1590 a discovery was made by Zaccharias Janssen and Hans Janssen his son, two Dutch spectacle makers, while they were experimenting with numerous lenses in a tube. They found out that nearby objects were greatly enlarged when looking through the lenses in the tube. Later in 1609 Galileo...

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