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Stone Cutting Machine in a Railroad Tunnel - p121
doi:10.1038/scientificamerican01031852-121d
Machinery for Making Hay and other Agricultural Forks - p124
doi:10.1038/scientificamerican01031852-124c
Machine for Measuring and Cutting Iron - p124
doi:10.1038/scientificamerican01031852-124f
Patent Heat Distributor and Ventilator - p124
doi:10.1038/scientificamerican01031852-124g
A World's Fair and Crystal Palace at New York - p125
doi:10.1038/scientificamerican01031852-125a
Petition for Extension of Patent - pp125 - 126
doi:10.1038/scientificamerican01031852-125f
The Effect of the Rotation of the Earth upon the Flight of a Projectile - p128
doi:10.1038/scientificamerican01031852-128c
