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Crystals magnified under a microscope: silver solution and Diana's tree 1, camphor 2, and niter 3. Handcoloured copperplate engraving from Bertuch's "Bilderbuch fur Kinder" (Picture Book for Children), Weimar, 1798. Friedrich Johann Bertuch (1747-1822) was a German publisher and man of arts most famous for his 12-volume encyclopedia for children illustrated with 1,200 engraved plates on natural history, science, costume, mythology, etc., published from 1790-1830.
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Photo credit: © Florilegius / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1798, bertuch, bilderbuch, book, botanical, camphor, children, copperplate, crystal, diana, encyclopedia, engraving, friedrich, german, handcoloured, history, illustration, johann, kinder, magnified, microscope, natural, niter, picture, publisher, salpetre, silver, solution, tree, weimar