Human finger 1, magnified 2, epidermis 3, magnified 4, scales 5, magnified skin 6, and human blood 7, serum 8, and salt crystals in blood 9 under the microscope. 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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Size: 4620px × 5945px
Photo credit: © Florilegius / Alamy / Afripics
License: Licensed
Model Released: No

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