Photozincography

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Photozincography is a method of mechanical reproduction utilizing a sensitized zinc plate. Related to zincography, the process involved the photographic reproduction of a primary image in a simple chromo-carbon print, and then its transfer to a carefully prepared zinc surface. Introduced in the middle of the nineteenth century, many examples of the new photozincographic process were shown in London at the International Exhibition in 1862. The British Ordnance Survey was amongst the first to practically apply the new process, in its creation of reduced-scale maps. These early photo-zincographic printed maps were frequently hand-colored.

Sources

Wakeman, Geoffrey. Aspects of Victorian Lithography: Anastatic Printing and Photozincography. Wymondham: Brewhouse Press, 1970.