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Ransom Cook's Electro Magnetic Ore Separator - p305
doi:10.1038/scientificamerican06171848-305b
Connexion of the Providence and Stonington Railroads - p305
doi:10.1038/scientificamerican06171848-305d
American Journal of Agriculture and Science - p306
doi:10.1038/scientificamerican06171848-306g
Argument for and Against the use of the Lickerin upon Cotton Cards - p307
doi:10.1038/scientificamerican06171848-307a
An Oil to Prevent Pictures from Blackening - p312
doi:10.1038/scientificamerican06171848-312g
To Restore Wine that has become Sour or Sharp - p312
doi:10.1038/scientificamerican06171848-312j