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Novel Invention by Punch—A Piano to be Played upon by the Toes - p323
doi:10.1038/scientificamerican07031847-323h
Apparatus for Decreasing the Loss of Heat in Locomotives - p324
doi:10.1038/scientificamerican07031847-324f
Andraud's Compressed Air System of Propulsion - p324
doi:10.1038/scientificamerican07031847-324k
Relies from the Wreek of a Former World - p327
doi:10.1038/scientificamerican07031847-327e