Announced on 7 January 1839 and presented to the world in August 1839 (except in England and Wales where it was patented), the daguerreotype produced a unique image on a silver-coated copper plate. The process was popular until the mid 1850s, although for longer in the United States, until it was superseded by the more sensitive wet-collodion process. For more details, see: History of Photography (1800-1900).
Visual art cork
A photographic technique invented by Louis-Jacques-Mandé Daguerre in 1839. A daguerreotype uses a silver or silver-coated-copper plate to develop an image in a camera obscura. The image is formed when the light-sensitive plate is exposed to light through a camera lens. A daguerreotype was a unique, direct positive image that could not produce copies.
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