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How to spot a collodion positive, also known as an ambrotype (early ...
- https://blog.scienceandmediamuseum.org.uk/find-out-when-a-photo-was-taken-identify-collodion-positive-ambrotype/#:~:text=The%20collodion%20positive%2C%20or%20ambrotype%2C%20first%20appeared%20in,made%20in%20a%20few%20minutes%20while%20sitters%20waited.
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Ambrotype - Wikipedia
- https://en.wikipedia.org/wiki/Ambrotype
- The ambrotype was based on the wet plate collodion process invented by Frederick Scott Archer.Ambrotypes were deliberately underexposed negatives made by that process and optimized for viewing as positives instead. In the US, ambrotypes first came into use in the early 1850s.In 1854, James Ambrose Cutting of Boston took out several patents relating to the …
Ambrotype - Antique and Vintage Cameras - Early …
- http://www.earlyphotography.co.uk/site/entry_I2.html
- Ambrotype. The collodion positive process was patented in America and in Britain by James A. Cutting, the only distinguishing point of the patent being that the image was cemented to a cover glass using Canada balsam. The patent calls the process 'Ambrotype', in America the name came to be used more generally for all similar processes. 2
Early Photographic Processes - Ambrotype - EdinPhoto
- http://www.edinphoto.org.uk/1_early/1_early_photography_-_processes_-_ambrotype.htm
- Early Photographic Processes. Ambrotype or Collodion Positive. 1851-1880s. Discovery: The wet collodion process was discovered by Scott Archer. He published the process in 1851 and allowed its use free of copyright. The collodion process used a thin film of collodion, poured onto glass, as a base for the image. This glass plate negative that ...
Ambrotype photography — Photocritic Photo School
- http://www.photocritic.org/articles/ambrotype-photography
- Haje Jan Kamps. January 4, 2009. Uncategorized. The ambrotype process is a photographic process that creates a positive photographic image on a sheet of glass using the wet plate collodion process. It was invented by Frederick Scott Archer in the early 1850s, then patented in 1854 by James Ambrose Cutting of Boston, in the United States.
Early Photography Series 2 of 4 - Cincinnati Museum Center
- https://www.cincymuseum.org/2020/04/28/ambrotypes/
- Early Photography Series 2 of 4 – Ambrotypes. By: James DaMico, Curator of Audiovisual Collections. The ambrotype is a direct positive image and uses the wet collodion plate process. The photographer mixes a liquid emulsion of gun cotton (combination of purified cotton with nitric and sulfuric acid), ether and alcohol. Dangerous stuff to be sure.
How to spot a collodion positive, also known as an …
- https://blog.scienceandmediamuseum.org.uk/find-out-when-a-photo-was-taken-identify-collodion-positive-ambrotype/
- The collodion positive, or ambrotype, first appeared in about 1853. By the 1860s the process had largely disappeared from high street studios, but it remained popular with itinerant open-air photographers until the 1880s, because portraits could be made in a few minutes while sitters waited. The collodion positive process, which was based on ...
photography : ambrotype
- https://www.histclo.com/photo/photo/type/photo-ambro.html
- Early photograohic processes produced positives. The first commercially viable process was the Daguerreotype. There were other types of photographs that were positive processes. This was fairly expensive process because of the cost of the metal plate. Two alernatives appeared at about the same time--the ambrotype and the tintype.
Historical Processes: Ambrotypes and Tintypes | B&H …
- https://www.bhphotovideo.com/explora/photography/features/historical-processes-ambrotypes-and-tintypes
- Ambrotypes are extensions of the wet collodion process invented by Frederick Scott Archer, in 1848. While Archer was the first to experiment with the technique, the American James Ambrose Cutting patented refinements of the process, in 1854, attaching his name to the process. Sometimes called a collodion positive, an ambrotype is created by ...
About Early Photography | mirrorofrace.org
- http://mirrorofrace.org/about-early-photography/
- AN OVERVIEW OF EARLY PHOTOGRAPHY. ... First of all, the early forms of photographic process (the daguerreotype, the ambrotype, the tintype and the albumen print, to name the most common ones) were very difficult to learn and perform, expensive in terms of their equipment and apparatus, and sometimes very dangerous (for example, developing a ...
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