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[Unidentified soldier in Union uniform with drum] / Photographed by Thomas Smith, 142 and 144 North Ninth Street, Philadelphia.

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[Unidentified soldier in Union uniform with drum] / Photographed by Thomas Smith, 142 and 144 North Ninth Street, Philadelphia.

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Summary

The albumen silver print is a photographic printing process that was widely used in the 19th century. It involves coating paper support with a mixture of egg whites and salt, which creates a glossy surface to hold light-sensitive silver salts. The paper is then sensitized in a solution of silver nitrate, and exposed in a camera or under a negative. After exposure, the print is developed in a solution of gallic acid and silver nitrate, which reduces the silver salts to metallic silver and creates the final image. The albumen print process was widely used for commercial and fine art photography in the 19th century and produced high-quality, detailed images with a distinctive glossy finish.

The single best source for Civil War photographs is the U.S. Library of Congress, which holds the core collections of original Civil War documentary ... The majority of the ambrotypes and tintypes are portraits by unidentified photographers of Civil War soldiers, primarily Union soldiers.

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Date

01/01/1862
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Location

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Source

Library of Congress
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Copyright info

No known restrictions on publication.

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