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Recently Patented Inventions
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Prospective Completion of the Panama Interoceanic Canal - p2
doi:10.1038/scientificamerican07051902-2
The American Institute of Electrical Engineers—Great Barrington Meeting - pp2 - 3
William H. Hale, Ph. D.
doi:10.1038/scientificamerican07051902-2c
Pneumatic Tools in Ship Yards - pp4 - 6
Waldon Fawcett
doi:10.1038/scientificamerican07051902-4
Experiments with Electro-Magnetic Waves on Mont Blanc - p6
doi:10.1038/scientificamerican07051902-6
Rapid Transit of Material - pp8 - 9
Day Allen Willey
doi:10.1038/scientificamerican07051902-8
Santa Barbara's Big Grapevine - pp9 - 10
M. C. Frederick
doi:10.1038/scientificamerican07051902-9a
A Simple and Efficient Wireless Telegraph Receiver - p11
A. Frederick Collins
doi:10.1038/scientificamerican07051902-11a