ambrotype


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ambrotype

[′am·brə‚tīp]
(graphic arts)
An obsolete method of photography in which a negative is formed in a collodion emulsion on glass; when backed with black velvet or black varnish, the collodion surface reflects positive highlights and the resulting effect is that of a positive.
References in periodicals archive ?
Although messy, the process used to create an ambrotype was simpler and cheaper and the image could be viewed from any angle.
She received an International Photography Award for the series from which the works are selected, a painstakingly rendered study of wild bird nests in the 19th century process of ambrotype.
An article, "Early Photography" by Peter Johnson UE, provided an analysis of several emerging methods in photography from the daguerreotype to the Calotype or Talbotype, the Ambrotype, the Tintype or Ferrotype and the Carte-de-Viste (Card Photography).
By the mid 1850s these had been superseded by the ambrotype - images on glass with a black, painted back.
Later developments included the ambrotype in 1851 and the tintype or ferrotype which was patented in America in 1856.
Motion's portrait of Fanny Brawne is wonderfully rendered; it is to his credit that over the course of his account we come to understand how Keats could have been so drawn to this frivolous and yet profoundly steadfast young woman (included is a stunning ambrotype of her taken in 1850, more than twenty-five years after Keats's death, and she is still at once pensive and sensual --the embodiment of Keatsian femininity).
Sometimes the later tintype can be mistaken for an ambrotype, if it too is encased.
On this challenge Dvorak is the more productive layout, yielding 19 ten-letter words: PROFILGATE, PROCLAIMED, OUTLEADING, MODULATIVE, MENDACIOUS, IMPORTABLE, HYPERFOCAL, HYDROSPACE, FUMATORIES, DISCOURAGE, DECAGYNOUS, DEACONSHIP, COMPLAINED, BECLOAKING, AUTHORIZED, AUTHORISED, APHRODITES, AMBROTYPES, and ADEMPTIONS.
The rarest are ambrotypes and tintypes of Confederates, drawn from the collection of David Wynn Vaughan, who has assembled the country's premier archive of southern portraits.
From the large-scale paintings of Rick Bartow and Whitney Nye to the intimate ambrotypes of Susan Seubert (top) and the blocky, geometric sculptures of Mel Katz, these works demonstrate the breadth and depth of creativity, imagination, and skill that flourish in Oregon," says assistant curator June Koehler.
Using both images and historical record, he couples tintypes, cartes de visite, and ambrotypes from both institutional and private collections with newspaper, personal documents, and military and pension records to create fuller, more personal accounts of those who served as enlisted men, military servants, or junior officers.
35) Daguerreotypes and ambrotypes were one-offs and Talbot's calotypes used paper negatives which, although they were cheap, suffered from very long exposure times and did not offer particularly good quality prints.