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Title: Specimen illustrating the conversion of iron pyrites into br [Go to resource]
Description: Specimen illustrating the conversion of iron pyrites into brown iron ore, from Santander, Spain, communicated by Mr. Bauerman, 1873 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/2866 Go to resource More Like this...
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