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Title: Electrotype copper, melted under charcoal and left to cool i [Go to resource]
Description: Electrotype copper, melted under charcoal and left to cool in the crucible, experiment by A. Dick License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/934 Go to resource More Like this...
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