Talbot discovered that gelatine treated with potassium dichromate, a sensitiser introduced by Mungo Ponton in 1839, is made less soluble by exposure to light
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← William Henry Fox Talbot timeline
Talbot discovered that gelatine treated with potassium dichromate, a sensitiser introduced by Mungo Ponton in 1839, is made less soluble by exposure to light
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.