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Reduction of Fare on the Baltimore and Ohio Railroad - p9
doi:10.1038/scientificamerican09271851-9a
Improved Machinery for Cutting Shoemakers Jiggers, Spur rowels, &C - p12
doi:10.1038/scientificamerican09271851-12f
Remarks on the Manufacture of Starch and British Gum - p13
doi:10.1038/scientificamerican09271851-13b
Interesting Patent Case—Steam Pump - pp13 - 14
doi:10.1038/scientificamerican09271851-13e
Haviland & Tuttle's Centre Vent Iron Wheels - p14
doi:10.1038/scientificamerican09271851-14a
