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A Smuggler with Four Millions of Money - p242
doi:10.1038/scientificamerican04241847-242a
Cincinnati and Hamilton Railroad, and Improvements in Ohio - p245
doi:10.1038/scientificamerican04241847-245h
To Write in Various Colors with the Same Pen and Ink - p248
doi:10.1038/scientificamerican04241847-248b