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Recently Patented Inventions
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North Tube of Hudson River Tunnel Completed - p206
doi:10.1038/scientificamerican09221906-206b
Steel Passenger Cars for Trunk Railroads - p206
doi:10.1038/scientificamerican09221906-206c
The Advantages of Crank Axles for Locomotives - p207
W. F. Cleveland
doi:10.1038/scientificamerican09221906-207
Investigating the Nutritive Value of Meat - p207
Elizabeth C. Sprague
doi:10.1038/scientificamerican09221906-207a
How a Planet is Weighed - p210
Frederick R. Honey
doi:10.1038/scientificamerican09221906-210
The Pioneers of the Swiss Army - p212
Day Allen Willey
doi:10.1038/scientificamerican09221906-212
A Curious Accident to a Grain Elevator - p213
W. F. Miners
doi:10.1038/scientificamerican09221906-213b
The Minnequa Works of the Colorado Fuel and Iron Company - pp214 - 216
Lawrence Lewis
doi:10.1038/scientificamerican09221906-214
The Lodge-Muirhead Portable Wireless Telegraph Plant for Military Purposes - p216
doi:10.1038/scientificamerican09221906-216