Stereoscopic photograph by Antoine Claudet (1797-1867). A stereograph is a pair of photographs which, when viewed through a stereoscope, give the appearance of three-dimensional depth. Stereoscopic photography became very popular in the 1850s and 1860s - particularly after it was exhibited at the Great Exhibition in 1851. Born in Lyons, France, Claudet moved to London in 1829. He became one of the first importers of daguerreotypes and cameras from France and opened his own photographic studio in 1841.
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