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  2. Microscope slide - Wikipedia

    en.wikipedia.org/wiki/Microscope_slide

    A microscope slide is a thin flat piece of glass, typically 75 by 26 mm (3 by 1 inches) and about 1 mm thick, used to hold objects for examination under a microscope. Typically the object is mounted (secured) on the slide, and then both are inserted together in the microscope for viewing.

  3. Celestron - Wikipedia

    en.wikipedia.org/wiki/Celestron

    Celestron was the first large scale commercial manufacturer of the Schmidt-Cassegrain telescope, introducing its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope in 1970. [7] The primary innovation Celestron/Tom Johnson devised was a method to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve ...

  4. Oil immersion - Wikipedia

    en.wikipedia.org/wiki/Oil_immersion

    Without oil, light waves reflect off the slide specimen through the glass cover slip, through the air, and into the microscope lens (see the colored figure to the right). Unless a wave comes out at a 90-degree angle, it bends when it hits a new substance, the amount of bend depending on the angle. This distorts the image.

  5. Thin section - Wikipedia

    en.wikipedia.org/wiki/Thin_section

    In optical mineralogy and petrography, a thin section (or petrographic thin section) is a thin slice of a rock or mineral sample, prepared in a laboratory, for use with a polarizing petrographic microscope, electron microscope and electron microprobe. A thin sliver of rock is cut from the sample with a diamond saw and ground optically flat.

  6. Microtome - Wikipedia

    en.wikipedia.org/wiki/Microtome

    A ribbon of ultrathin sections prepared by room-temperature ultramicrotomy, floating on water in the boat of a diamond knife used to cut the sections. The knife blade is the edge at the upper end of the trough of water. An ultramicrotome is a main tool of ultramicrotomy. It allows the preparation of extremely thin sections, with the device ...

  7. Timeline of microscope technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_microscope...

    The company of Carl Zeiss exploited this discovery and becomes the dominant microscope manufacturer of its era. 1928: Edward Hutchinson Synge publishes theory underlying the near-field scanning optical microscope; 1931: Max Knoll and Ernst Ruska start to build the first electron microscope. It is a transmission electron microscope (TEM).

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