File:Cavallo's multiplier labelled.jpg - Wikipedia
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| current | 13:43, 2 November 2008 | | 1,137 × 802 (123 KB) | BillC | {{Information |Description={{en|1=Cavallo's multiplier: a 1795 device to amplify a small electric charge so that it could be detected by the electroscopes of the day. The charge to be multiplied was applied to a metal plate A, which was supported on an i |
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