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These sessions focus on supplying a basic knowledge of the technological developments of photography in the 19th-, 20th-, and 21st-centuries with special focus on albumen, silver gelatin, and chromogenic print materials, and glass plate and film base negatives.

Debra Hess Norris, Chair of the Art Conservation Department at the University of Delaware, and Professor of Photograph Conservation

Webinar 4: Preventive Care of Photographs