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Köhler illumination is a method of specimen illumination used for transmitted and reflected light (trans- and epi-illuminated) optical microscopy.Köhler illumination acts to generate an even illumination of the sample and ensures that an image of the illumination source (for example a halogen lamp filament) is not visible in the resulting image.
A flapper is often part of the standard equipment on a fire engine and may also be set up inside and around forests and at heaths in order to take immediate action if a fire is seen. The flapper's technique has been developed from using a wet green pine bough, and wet burlap sacks in the rural south US, to swat the fire known as "wet sacking" a ...
Kohler Co. Usage on es.wikipedia.org Historia del uniforme del Manchester United Football Club; Usage on fa.wikipedia.org کهلر; Usage on fr.wikipedia.org Kohler Company; Usage on ig.wikipedia.org Kohler Kitchen & Bath; Usage on ja.wikipedia.org コーラーカンパニー; Usage on www.wikidata.org Q6426036; Q25021672; Q25021681; User ...
NGC 4436 is a lenticular or dwarf elliptical galaxy located about 60 million light-years away [3] [4] in the constellation of Virgo. [5] NGC 4436 was discovered by astronomer William Herschel on April 17, 1784. [ 6 ]
The Southern Pacific GS-4 is a class of semi-streamlined 4-8-4 "Northern" type steam locomotive operated by the Southern Pacific Railroad (SP) from 1941 to 1958. A total of 28 locomotives were built by Lima Locomotive Works (LLW) in Lima, Ohio, with the first batch of 20 built between March and May 1941, while the second batch of eight were built between March and April 1942.
Note: These diagrams represent a configuration typical in the USA, mechanisms may vary in other countries [citation needed]. The toilet ballcock, long made of brass and later made of plastic, was superseded by the float cup, pioneered in 1957 by the Fluidmaster founder Adolf Schoepe , which is integrated with the tank’s fill valve and so ...
The Aresti Catalog is the Fédération Aéronautique Internationale (FAI) standards document enumerating the aerobatic manoeuvers permitted in aerobatic competition.Designed by Spanish aviator Colonel José Luis Aresti Aguirre (1919–2003), each figure in the catalog is represented by lines, arrows, geometric shapes and numbers representing the precise form of a manoeuver to be flown.
The botanical illustrators were Walther Otto Müller, C. F. Schmidt, and K. Gunther. A reprint was published in Germany a century after the original, first of extracts of the work, later the complete three volumes. The name Köhler is sometimes corrupted to Koehler or Kohler.