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Jan 1, 1500
Lens
the lens were made in 2600 BCE by ancient egyptian. The Greeks and Romans continued with these types of lenses up to the end of the Roman Empire. Egyptian artifacts include rock crystals in the form of convex lenses. The lens is a huge part of the microscope becuase thats what magnifies the image. -
Discoveries by Van Leeuwenhoek
Leenuwenhoek made very important discoveries with the microscope he devolped. He discovered bacteria, free-living and parasitic microscopic protists, sperm cells, blood cells and more. His device magnified up to 300x -
Telescope and its begining
The usually accepted date for the invention of the telescope is 1608. It is based on a letter from Jacob Adriaanzoon (also called James Metius). The telescope is similar to the microscpe only that the telescope is moslty used for austronamy. -
Galileo Galilei and his Telescope Devolpment
He designed his own telescope that included both convex and concave lenses. Galileo also made many astronomical discoveries including the moon of Jupiter and the phases of Venus. -
Microscpe and Refracting Telescope
Even though its not quite sure who invented the microscope in 1590 thruogh 1610 the compound microscope and the refracting telescope these telescopes were used to make some of the first discoveries of cells and observation. -
Cell Findings Leeuwenhoek
Leeuwenhoek discovered bacteria and protoza in various samples
he called the bacteria that he found " Little Animals " this finding constructed more expierements and found more cells and bacteria. As time passed the discoveries were given names and studyed further -
Jan and Harmanus van Deyl
were the first to make the Achromatic lenses, at the end of the eigteenth century and Harmanus van Deyl started the commercial fabrication of achromatic objectives. they made the the well devolped Achromatic lenses and they used it to fond new things and they startd teh fabrication of the lenses -
microscope that has a light for illumination
Microscope lamp with filters. August Kohler had worked out light source and condenser position to obtain the best image projection. devolped a light source for a better projection of the substance that is being microscoped. used the filters wich is now called the diaphram to choose how much water is let into the microscope. this helped new findings becuase the images were sharper and more accurate. -
Matthias Jakob Schleiden and Plants
Matthaias looked at numerous plant samples. Schleiden was the first to recognize that all plants, and all the different parts of plants, are composed of cells. He looked and studied and saw that all plants and all different parts of plants are composed of cells. -
Hugh Powell Microscope Devolpment
Hugh Powell made very high power objectives, an apochromat immersion lens of NA 1,50 in 1896 . The lens that was devolped for the microscope helped science reach where it is today because thise lenses were alqays beong devolped for more findings of cells or bacteria. -
Rudolf Virchow and devolpment of cells
Rudolf Virchow (1902) extended the work of Schleiden and Schwann by proposing that all living cells must rise from pre-existing cells. This was a radical idea at the time because most people, scientists included, believed that nonliving matter could spontaneously generate living tissue -
phase contrast microscope
Devolped further into the contrast microscope. it was Dutchman Zernike that devolped the contrast microscope. the microscope helped to find many discoveries. other people also devolped further as timepassed they devolped the phase contrast microscope better. for examople more magnification. -
The Electron Microscope
Max Knoll and Ernst Ruska construct the first electron microscope. rgis icro scope is very powerful it can magnifie more than other microscopes. -
When Cells Were Acknowledged as Unit Of life
It took until 1839 for cells to be recognized as the Units of Life. This Acknowledgement took nearly 2 centuries (200 yrs) to be considerd that. Without the Microscopes this would not have happened the discoveries would of been made later in time an ddifferently.
