Photogenic Drawings and Calotypes

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Photographic Materials Conservation Catalog
Photographic Processes
Date: Initiated April 2014
Contributors:Luisa Casella

The Photographic Materials ConservationCatalog is created and maintained by the Photographic Materials Group of theAmerican Institute for Conservation for the convenience of the membership. Thetreatments, methods, or techniques described herein are provided forinformational purposes. The reader assumes responsibility for any applicationresults or interpretation of information.

Photogenic Drawings and Calotypes


Historical Facts
Invented: Photogenic drawings was the name given to the images produced by William Henry Fox Talbot to the images produced by his earliest experiments in the 1830's. The calotype - a much improved version of the photogenic drawing and was invented in 1841.
Patented: Talbot showed examples of his photogenic drawings to the Royal Photographic Society in 1839, fuelled by the announcement of the daguerreotype in France. He patented the calotype in 1841.
Main Period of Use:
Historic Practitioners: William Henry Fox Talbot, Hill and Adamson, Nicolaas Henneman, Langenheim Brothers

Identification Characteristics


Image layer:


Binder:


Support:


Analysis:


Non-Destructive


Destructive


Process Overview



Conservation and Treatment



Housing and Storage



Emergency Recovery




REFERENCES



Conservation



Process and Historic Material



Contemporary Practice



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