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Recently Patented Inventions
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Notes and Queries
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Rapid Transit by the Grace of the Politicians - p178
doi:10.1038/scientificamerican09161899-178
Trade with Our Newly Acquired Territories - p178
doi:10.1038/scientificamerican09161899-178c
Liquid Air as an Explosive - p179
Frederick H. M'Gahie
doi:10.1038/scientificamerican09161899-179
Scientific Congress at Columbus - p179
Horack C. Hovey, Dr.
doi:10.1038/scientificamerican09161899-179a
A Mechanically-Operated Cross-Cut Saw - pp180 - 181
doi:10.1038/scientificamerican09161899-180b
Compressed Air Traction in New York City - pp184 - 185
doi:10.1038/scientificamerican09161899-184