Zincography was a planographic printing process that used zinc plates. Alois Senefelder first mentioned zinc´s lithographic use as a substitute for Bavarian limestone in his 1801 ...
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English patent specifications. In 1834, Federico Lacelli patented a zincographic printing process, producing large maps called géoramas. In 1837–1842, Eugène-Florent Kaeppelin (1805-1865) perfected the process to create a large polychrome geologic map.
