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Report of the Commissioner of Patents for the Year 1855 - p195
doi:10.1038/scientificamerican03011856-195
Rides—Their Construction for Active Use - p196
doi:10.1038/scientificamerican03011856-196
Pearsall's Method of Preserving Flour and Meal - p197
doi:10.1038/scientificamerican03011856-197b