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Ambrotypes (photographs)

 Subject
Subject Source: Art & Architecture Thesaurus
Scope Note: Photographs produced by mounting a negative (made by a variant of the wet collodion process) that is on glass with a dark backing, which makes the image appear as a positive. Came into wide use in the United States in the early 1850s.

Found in 2 Collections and/or Records:

Robert B. Fisher photograph collection and papers

 Collection
Call Number: WA MSS S-2823
Overview: This collection chiefly consists of photographs collected by Robert B. Fisher, but also includes his subject files and a small quantity of writings related to the history of photography, 1840-1998.
Dates: 1840-1998

Peter Palmquist Cased Photographs Collection

 Collection
Call Number: WA Photos 402
Overview: This collection consists of daguerreotypes, ambrotypes, tintypes, and collodion processes primarily mounted in contemporary decorative cases, collected by Peter Palmquist to document photographers, photographic processes and presentation techniques in the United States, especially in California, and in Great Britain, circa 1844-1899.
Dates: circa 1844-1899