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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Creative#:
TOP09100483
Source:
達志影像
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RM
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須由TPG 完整授權
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NO
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