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Optical glass was vital to the warfare of this era for binoculars and gunsights and rubber was needed for tyres and communications cables. Britain had sourced the majority of its pre-war optical glass from the German company of Carl Zeiss AG and by early 1915 was suffering from a shortage.
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 later refinement by Ernst Abbe and his cooperation with glass scientist Otto Schott, who managed to produce a better type of Crown glass in 1888, and instrument maker Carl Zeiss resulted in 1894 in the commercial introduction of improved 'modern' Porro prism binoculars by the Carl Zeiss company. [1] [8] Binoculars of this type use a pair of ...
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).
1846: Carl Zeiss founded Carl Zeiss AG, to mass-produce microscopes and other optical instruments. 1850s: John Leonard Riddell, Professor of Chemistry at Tulane University, invents the first practical binocular microscope. [13] 1863: Henry Clifton Sorby develops a metallurgical microscope to observe structure of meteorites.
(Reuters) -A group of 17 Republican state attorneys general alleged that top U.S. asset managers, including BlackRock and State Street, were making improper or inadequate disclosures about their ...
Jennifer Lopez "Can't Get Enough" of sexy catsuits!. On Friday, Feb. 21, the singer and actress, 55, provided a peek at her Feb. 20 and Feb. 21 concerts in the United Arab Emirates.
A grade schooler is being credited for saving his sister from falling debris during the northeast Philadelphia plane crash on Jan. 31, 2025 that left seven people dead.
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