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Johann Heinrich Schulze | Encyclopedia.com
- https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/johann-heinrich-schulze
- Johann Heinrich Schulze. 1687-1744. German physician and anatomy professor who made a significant discovery in the development of photography when he observed that silver salts darkened when exposed to sunlight. In 1725, while attempting to create a phosphorescent material by combining chalk with nitric acid containing dissolved silver, Schulze ...
Johann Heinrich Schulze | German physician | Britannica
- https://www.britannica.com/biography/Johann-Heinrich-Schulze
- Other articles where Johann Heinrich Schulze is discussed: history of photography: Antecedents: …the German professor of anatomy Johann Heinrich Schulze proved that the darkening of silver salts, a phenomenon known since the 16th century and possibly earlier, was caused by light and not heat. He demonstrated the fact by using sunlight to record words on the salts, but he made …
The precursors: Johann Heinrich Schulze | Camera Museum
- https://www.cameramuseum.ch/en/discover/permanent-exhibition/the-origins-of-photography/the-precursors-johann-heinrich-schulze/
- The precursors: Johann Heinrich Schulze. During the Middle Ages, alchemists had noticed the darkening of silver salts when exposed to the light and used them to colour various materials such as wood and ivory. However, it was at the time of the Renaissance that alchemists discovered silver chloride, when a certain Fabricius noticed in 1566 that ...
Johann Heinrich Schulze – PHOTOGRAPHY
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3 Johann Heinrich Schulze Premium High Res Photos
- https://www.gettyimages.com/photos/johann-heinrich-schulze
- Johann Heinrich Schulze s experiments laid the foundations on which photography is based. Schulze discovered that by leaving a bottle filled with... Städte-Fussball-Wettspiel Wien - Berlin 1910, Bild oben: die Wiener Mannschaft: v. Li. Wilhelm Eipeldauer , …
Johann Heinrich Schulze, German anticipator of …
- https://www.gettyimages.com/detail/news-photo/johann-heinrich-schulze-s-experiments-laid-the-foundations-news-photo/90733867
- GERMANY - MARCH 18: Johann Heinrich Schulze (1687-1744) s experiments laid the foundations on which photography is based. Schulze discovered that by leaving a bottle filled with chalk, silver and nitric-acid by a window the sunlight would turn the chemicals on the exposed side a darker colour. Schulze then attached paper stencils to the outside ...
Development of Photography: 18th century experiments; …
- https://www.people.vcu.edu/~djbromle/color-theory/lecture/9.html
- Johann Heinrich Schulze. c. 1717 - Discovery that powdered silver nitrate darkened upon exposure to light. This led to experiments, at first in the flask, later on paper, ... This made traveling photography a burdensome, dangerous affair. Nevertheless, exposure times were down to about 5 seconds and the clarity was excellent. ...
Johann Heinrich Schulze (Psikologi) - Mimir Kamus
- https://mimirbook.com/ms/232fe98aa32
- Johann Heinrich Schulze. Born: 12 May 1687: Died: 10 October 1744 (1744-10-10) (aged 57) Nationality: German Alma mater: Altdorf Known for: experiments with silver nitrate Scientific career: Institutions: Altdorf Halle Influenced: the invention of photography Gambaran keseluruhan. Johann Heinrich Schulze (12 Mei 1687 - 10 Oktober 1744) adalah ...
Silver and Sunlight | Science History Institute
- https://www.sciencehistory.org/distillations/silver-and-sunlight
- In the 1720s German physicist and medical professor Johann Heinrich Schulze baked silver nitrate in an oven to show that light, not heat, caused this discoloration. Schulze also put stencils of texts on glass jars filled with a mixture of chalk and silver nitrate.
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