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0460000543

Voltaic battery (pile): this was made up 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 A Ganot 'Natural Philosophy', London 1887. Engraving.

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Irish Photo Archive
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Voltaic battery (pile): this was made up 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 A Ganot 'Natural Philosophy', London 1887. Engraving.