dry plates

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Scope note
Initially, the term referred to sheets of glass coated with collodion subsequently sensitized and dried. In 1871 Richard Leach Maddox discovered that an emulsion of gelatin containing a sensitive silver salt could be exposed to the action of light in a dry state. This provided a leap forward in photographic media as it simplified the process of taking photographs, avoiding the necessity of plates being prepared immediately before exposure, and processed immediately after.
dry plates
Accepted term: 18-Nov-2024