daguerreotype (process)

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Scope note
Process that produces a direct positive image on a silver-coated copper plate, invented by Louis-Jacques-Mandé Daguerre of France and Joseph-Nicéphore Niepce in the 1830s. In the process, a copper plate is coated with silver iodide and exposed to light in a camera, then fumed with mercury vapour and fixed with common salt in solution.
daguerreotype
Accepted term: 15-Jul-2024