Dosiero:Electrophorus device.png

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Electrophorus_device.png((603 × 485 rastrumeroj, grandeco de dosiero: 37 KB, MIME-tipo: image/png))

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Resumo

Priskribo
English: Drawing of electrophorus electrostatic generator, invented by Johan Carl Wilcke in 1764, from an 1840 chemistry text. It consists of a 'cake' of dielectric resinous material like wax, at bottom, and a metal plate on an insulated handle that can be placed on it. After charging the bottom plate by rubbing with fur, the top plate could be repeatedly charged by placing it on the surface and grounding the top by touching the small ball, then removing it. Alterations: removed caption and part labels, increased brightness.
Dato
Fonto Downloaded 2007-12-27 from Robert Hare (1840) A Compendium of the Course of Chemical Instruction in the Medical Department of the University of Pennsylvania, 4th Ed., Part 1, J.G. Auner, Philadelphia, p.49 on Google Books
Aŭtoro Robert Hare
Permeso
(Reuzo de la dosiero)
Public domain - published in the USA before 1923

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Titoloj

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An electrophorus from 1840

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Dato/HoroBildetoGrandecojUzantoKomento
nun08:29, 27 dec. 2007Bildeto por versio ekde 08:29, 27 dec. 2007603 × 485 (37 KB)Chetvorno{{Information |Description=Drawing of electrophorus electrostatic generator, invented by Johan Carl Wilcke in 1764. Alterations: removed caption and part labels, increased brightness. |Source=Downloaded 2007-12-27 from [http://books.google.com/books?id=e

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