microscope - n Some of the simple microscopes: 2 Invention...

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1 Invention of the Microscope. n The first known lens: 721-705BC n Invention of Spectacles: 1280-1285 AD, inventor is uncertain. n The First Compound (more than one lens) Microscope: Zacharias Jansen, in Holland, around 1595 AD. Invention of the Microscope n Marcello Malpighi: Italian models that were made; 5-8 inches The one on the left made around 1635-1715. The one on the right made around 1610-85. Invention of the Microscope n Italian style Microscope as Galileo may have used: Early 1600’s n Christopher Cock made the microscope that Robert Hooke used, 1665 Invention of the Microscope n The English Tripod became popular in the 1700’s. Many of which were made in 1680. John Yarwell’s microscope in the year 1683. n The tripods are confined to museums. Invention of the Microscope n Leeuwenhoek’s microscope (1679) was about 3-4” high, and made of two brass plates riveted together, with a small hole in the plates where the tiny but high powered lens is placed. Invention of the Microscope n This is how Leewenhoek used his microscope:
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Unformatted text preview: n Some of the simple microscopes: 2 Invention of the Microscope n John Marshall’s Microscope of 1704. In this microscope the body could be rotated upon the pillar so that the base could be set at the side Invention of the Microscope n Benjamin Martin’s “Drum” Style, 1738 n This was a simple microscope, with the body tube enclosed by the outer tube. The inner body tube could be slid up or down for focus. Invention of the Microscope n John Cuff’s Microscope: (1742) n This had a smaller body tube which allowed more stability. A strong side pillar held the tube and the stage firmly. Invention of the Microscope n George Adams SR., and His Microscopes: (1746). He introduced “New Universal Double Microscope”. This could be used as a simple by removing the tube, and a compound microscope. Invention of the Microscope n The above microscope became very popular, and a lot of manufactures made similar scopes. This one was made by Dollond...
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This note was uploaded on 06/12/2011 for the course EGN 3000 taught by Professor Staff during the Spring '09 term at University of South Florida - Tampa.

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microscope - n Some of the simple microscopes: 2 Invention...

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