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VOLTASCHE SAEULE
Voltaic battery (pile), 1887. A battery of the type invented by Italian physicist Alessandro Volta (1745-1827). It consists of a disc of zinc, a disc of copper, a disc of cloth moistened with acid, then a disc of zinc and so on. Each contact between zinc and copper formed a 'couple'. From Natural Philosophy by A Ganot. (London, 1887). (KEYSTONE/HERITAGE IMAGES/Oxford Science Archive)
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KEYSTONE
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HERITAGE IMAGES
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OXFORD SCIENCE ARCHIVE
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