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List of Patent Claims - p314
doi:10.1038/scientificamerican06141856-314b
Notes on Ancient and Curiousinventions—No.9 - p317
doi:10.1038/scientificamerican06141856-317a
Who First Employed Anthracite Coal in Smelting Iron - p318
doi:10.1038/scientificamerican06141856-318a
American Steamboat Engines for the Danube - p318
doi:10.1038/scientificamerican06141856-318c