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Recently Patented Inventions
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Improved Rails by the Dry-Blast System - p182
doi:10.1038/scientificamerican09191908-182a
Progress in the Gas-Driven Ship Problem - p182
doi:10.1038/scientificamerican09191908-182b
Doubtful Cases of Radioactivity - pp182 - 183
doi:10.1038/scientificamerican09191908-182f
Reconstruction of the Baltimore & Ohio Bridge Over the Susquehanna River - p184
Day Allen Willey
doi:10.1038/scientificamerican09191908-184
The Collins System of Long-Distance Wireless Telephony - pp185 - 186
doi:10.1038/scientificamerican09191908-185
Public Service Car Fender and Wheel Guard Tests - p186
doi:10.1038/scientificamerican09191908-186
Protecting Trains Under the East River - p191
G. W. Mac Murray
doi:10.1038/scientificamerican09191908-191