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File:Opfindelsernes bog3 fig282.png

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Summary

Description
English: Drawing of a pith ball electroscope, invented 1754 by John Canton. It consists of a ball of pith suspended by a nonconductive silk thread from a wire hook mounted on a nonconductive stand. The ball is shown attracted to an electrically charged object held in the hand.
Date
Source
Dansk: "Opfindelsernes Bog" 1878 af André Lütken, Fig 282—283. Det elektriske Pendul.
English: "Opfindelsernes Bog" (Book of inventions) 1878 by André Lütken, Ill. 282.
Author Morten Bisgaard
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Pith ball electroscope from 1870s

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Date/TimeThumbnailDimensionsUserComment
current20:18, 27 June 2007Thumbnail for version as of 20:18, 27 June 20071,500 × 1,500 (473 KB)Bisgaardchanged dimensions
20:05, 27 June 2007Thumbnail for version as of 20:05, 27 June 20071,184 × 1,544 (457 KB)Bisgaard{{Information |Description=da: "Opfindelsernes Bog" 1878 af André Lütken, Fig 282—283. Det elektriske Pendul.<br><br> en: "Opfindelsernes Bog" (Book of inventions) 1878 by André Lütken, Ill. 282. |Source=From the book "Opfindelsernes Bog" 1878 by An

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