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Topic: Ambrotype


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In the News (Tue 29 Dec 09)

  
  Ambrotype - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
The ambrotype process (from Greek ambrotos, "immortal") is a photographic process invented in the mid-1850s by Frederick Scott Archer.
The ambrotype was much less expensive to produce than the daguerreotype, and it lacked the daguerreotype's shiny metallic surface, which some found unappealing.
By the late 1850s, the ambrotype was overtaking the daguerreotype in popularity; by the mid-1860s, the ambrotype itself was supplanted by the tintype and other processes.
en.wikipedia.org.cob-web.org:8888 /wiki/Ambrotype   (360 words)

  
 Lost and Found: Terms & Technologies: Ambrotype: A Negative Positive (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
By the summer of 1855 the ambrotype was fast becoming the most popular form of photography among Americans, preferred even over the daguerreotype.
An ambrotype is most simply described as a collodion glass-plate negative that appears to be a positive when viewed against a dark surface.
This transformation is caused, with reflected ambient light, by the clear areas of the negative appearing dark, and the opaque silver areas bright.
imsc.usc.edu.cob-web.org:8888 /haptics/LostandFound/terms_ambrotype.html   (589 words)

  
 Jack and Beverly's Ambrotype Collection (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
The ambrotype is actually a glass negative that, backed with a dark material, appears to be a positive.
Ambrotypes were presented in the same style of bindings and cases as were daguerreotypes and replaced them in the 1850s.
This ambrotype of a young woman with a Brewster style stereo viewer on the table was impossible to resist.
brightbytes.com.cob-web.org:8888 /collection/ambrotypes.html   (617 words)

  
 Ambrotype - Victorian and Edwardian Photographs (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
An ambrotype photograph, is an image actually on glass, it was produced as a wet collodion positive on glass which was slightly bleached and made appear by placing something fl behind it, paint, velvet etc. It was a slightly cheaper photograph than a daguerreotype which it replaced.
Using the same case as a daguerreotype, the ambrotype was sealed inside a wooden case or a frame with a bright brass mount and under glass.
The case was usually provided with a hinged lid and covered with leather or similar and some American cases were moulded using shellac with wood-fibre and gum and known as a Union case.
www.rogerco.freeserve.co.uk.cob-web.org:8888 /type/ambrotype.htm   (276 words)

  
 Ambrotype (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
The idea of the Ambrotype was first suggested by Frederick Scott Archer, the inventor of the collodion (wet-plate) process, but was later patented by James Ambrose Cutting, who gave it his middle name.
An ambrotype is made by exposing a wet plate and then developing it in a developer containing either mercur(II) chloride or nitric acid, both of which made the image a light grey colour.
Ambrotypes are sometimes mistaken for Daguerrotypes and may be in similar cases, but lack the bright reflections of these.
www.photography.about.com.cob-web.org:8888 /library/glossary/bldef_ambrotype.htm   (332 words)

  
 Antiques Roadshow/Antique Speak: Ambrotype (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
Although they lacked the tonal range and brilliance of the daguerreotype, the ambrotype had one great advantage: they were less expensive.
Ambrotype did have one disadvantage: the glass was fragile and often broke, destroying the image.
By the mid-1860s, the ambrotype was largely replaced by the tintype and newly-developed paper photographs.
www.pbs.org.cob-web.org:8888 /wgbh/pages/roadshow/speak/atype.html   (191 words)

  
 Jack and Beverly's Cased Daguerreotype and Ambrotype Post Mortem Photographs (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
The haunting cased ambrotype below is unflinching in its acceptance of the the baby's death.
This and the patterned curtain behind her suggest that it was made in the home and not a studio.
On examination we wonder if the chair might be a rocking chair and the string was used to keep it from moving during exposure.
www.brightbytes.com.cob-web.org:8888 /collection/memento.html   (699 words)

  
 Ambrotype Products (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-13)
Ambrotype Large Size 1/2 Plate In Case 5 x 6 c 1860s
Ambrotype Full Plate Outdoor Scene Niagara Falls Family
Large Mother & Child Ambrotype in Velvet Case Sharp NR ca.
freewebs.com.cob-web.org:8888 /babfki/01/ambrotype.html   (250 words)

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