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Title: Coins showing the formation of chloride of copper by long ex [Go to resource]
Description: Coins showing the formation of chloride of copper by long exposure to damp earth. They are of Edward the Confessor's reign, presented by J. Evans, 1875, analysis by R. Smith License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/1766 Go to resource More Like this...
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