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Title: Champion iron ore from Lake Superior, smelted for Bessemer i [Go to resource]
Description: Champion iron ore from Lake Superior, smelted for Bessemer iron at the Dunbar Furnace, Pennsylvania License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/2941 Go to resource More Like this...
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