File:Familiar Introduction to Electricity by Joseph Priestly, plate 7.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:18, 17 June 2007		1,287 × 1,658 (507 KB)	commons>Ragesoss	{{Information \|Description=The 7th plate from the 1st edition (1768) of Joseph Priestley's ''A Familiar Introduction to the Study of Electricity'', depicting an electrical machine designed by Priestley \|Source=Photographed from Medical Historical Library

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