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picture1_Microscope Spring 30104434


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File: Microscope Spring 30104434
objectives 2 ryan barrow 2008 09 08 22 06 38 pm historical timeline 1609 galileo galilei develops a compound microscope with a convex and a concave les 1665 robert hooke ...

icon picture PPT Filetype Power Point PPT | Posted on 08 Sep 2022 | 3 years ago
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       Objectives
         2                                               © Ryan Barrow 2008  09/08/22 06:38 PM
       Historical Timeline
        1609 – Galileo Galilei develops a compound 
          microscope with a convex and a concave 
          les.
        1665 – Robert Hooke publishes Micrographia 
          and coins the word cell for structures he 
          discovers in cork bark
        1674 – Anton van Leeuwenhoek improves 
          on a simple microscope for viewing 
          biological specimens
        1931 – Ernst Ruska starts to build the first 
          electron microscope
         3                                               © Ryan Barrow 2008  09/08/22 06:38 PM
                                             Types of Microscopes
              4                                          © Ryan Barrow 2008  09/08/22 06:38 PM
       Types of Microscopes I
        Compound 
          Microscope
           Light microscope that 
             has two converging 
             lens systems: the 
             objective and the 
             eyepiece
         5                                               © Ryan Barrow 2008  09/08/22 06:38 PM
       Types of Microscopes II
        Electron Microscope
           Any class of 
             microscopes that use 
             electrons instead of 
             light to form images 
             of very small objects 
             such as individual 
             parts of small living 
             things
         6                                               © Ryan Barrow 2008  09/08/22 06:38 PM
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...Objectives ryan barrow pm historical timeline galileo galilei develops a compound microscope with convex and concave les robert hooke publishes micrographia coins the word cell for structures he discovers in cork bark anton van leeuwenhoek improves on simple viewing biological specimens ernst ruska starts to build first electron types of microscopes i light that has two converging lens systems objective eyepiece ii any class use electrons instead form images very small objects such as individual parts living things...

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