Name Amon First

Ferrotype

Images are often cream or chocolate-brown toned or colder when silver gelatin emulsion is used. The varnish may turn brown and crack due to exposure to light.

Visual glossary of photographic processes © ARCP / Mairie de Paris, 2013.
Images from the top:
Anonymous, [Portrait of a couple], circa 1855
Enlarged detail x 2
Enlarged detail x 8

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