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Carl's father, Johann Gottfried August Zeiss (1785–1849) was born in Rastenberg, where his forefathers had worked as artisans for over 100 years.August moved with his parents to Buttstädt, a small regional capital north of Weimar, where he married Johanna Antoinette Friederike Schmith (1786–1856).
August Karl Johann Valentin Köhler (4 March 1866 – 12 March 1948) was a German professor and early staff member of Carl Zeiss AG in Jena, Germany.He is best known for his development of the microscopy technique of Köhler illumination, an important principle in optimizing microscopic resolution power by evenly illuminating the field of view.
Schleiden's theory of free cell formation through crystallization was refuted in the 1850s by Robert Remak, Rudolf Virchow, and Albert Kolliker. [5] In 1855, Rudolf Virchow added the third tenet to cell theory. In Latin, this tenet states Omnis cellula e cellula. This translated to: 3. All cells arise only from pre-existing cells
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Cytometers are the instruments which count the blood cells in the common blood test.. Cytometry is the measurement of number and characteristics of cells.Variables that can be measured by cytometric methods include cell size, cell count, cell morphology (shape and structure), cell cycle phase, DNA content, and the existence or absence of specific proteins on the cell surface or in the ...
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
The historical Zeiss-Workshop was moved in 2002 from the Volkshaus to the Optical Museum. The Carl Zeiss Foundation, the Ernst Abbe Foundation, Carl Zeiss AG, the city of Jena and the Friedrich Schiller University in Jena joined forces to establish the Deutsches Optisches Museum Foundation on 9 September 2016.
"Cytology" 1857; < Cyto-is derived from the Greek "kytos" meaning "hollow, as a cell or container." + -logy meaning "the study of"). [2] Microbial cytology is analyzed under a microscope for cells which were collected from a part of the body. The main purpose of microbial cytology is to see the structure of the cells, and how they form and ...