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Galvani’s experiments (Plate III)

Some of Galvani's experiments (Plate III) from his De Viribus Electricitatis in Motu Musculari Commentarius (Commentary on the Effects of Electricity on Muscular Motion, 1792). (Courtesy of the Wellcome Trust. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0/deed.en.)