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An early type of photograph made by imaging a negative on glass backed by a dark surface.

[Greek ambrotos, immortal; see ambrosia + type.]


(Photography) photog an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper
[C19: from Greek ambrotos immortal + -type; see ambrosia]


(ˈæm brəˌtaɪp)

an early type of photograph, made by placing a glass negative against a dark background.
[1850–55, Amer.; < Greek ámbro(tos) immortal (see ambrosia) + -type]
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References in periodicals archive ?
One such treasure is an Ambrotype [photograph] of a Continental soldier, taken about 80 years after the war when the man was over 100 and photography was in its infancy.
Alexander 'Greek' Thomson (1817-75), in an ambrotype of c.
DT: The daguerreotype and the ambrotype, predecessors of the carte de visite, were single images.
Ambrotype--Appearing from the mid-1850s to the mid-1860s, ambrotypes were developed directly on a glass plate (not a silver-coated copper plate of the daguerreotype or the iron of the tintype).
Similarly, there's a healthy market for photographic prints made with the standard gelatin-silver and color "wet" or "chemical" methods, and even a thriving revival of the earlier alternative processes: platinum, cyanotype, tintype, ambrotype, daguerreotype, each with its own distinctive look and feel.
It also includes aspects of technology, culture, and physical phenomena that influenced the outcomes or documentation of the war, such as the early ambrotype photograph, influential newspapers, the practice on conscription, and the phenomenon of acoustic shadow.
Visitors will be able to view, for example, letters penned by George Washington, a copy of the Declaration of Independence in the handwriting of Thomas Jefferson, and ambrotype and daguerreotype images of Abraham Lincoln.
This is a ruby glass ambrotype photograph and it is one of a kind.
Tell Mary they took the ambrotype she gave me of Joe's, they took all my corn, hogs, killed the goats, took chickens, broke open every trunk I had in the house.
This ambrotype, for which Custer probably sat in 1859 while on leave from West Point, is displayed at the National Portrait Gallery in Washington, D.
Emerson, His Younger Daughter and Son)" and described as a photogravure "From an ambrotype taken in 1858.
Also: Connoisseurs of Clay: Collecting Contemporary Ceramics; Untangling Intaglios and Other Print Processes Made Plain; and Jacob Lawrence: Toussaint L'Ouverture, all through July 24, as well as A is for Ambrotype, through Sept.