Table of contents
Recently Patented Inventions
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Extraordinary Conditions in the Steel Industry - p378
doi:10.1038/scientificamerican11241906-378a
Progress of the Pennsylvania East River Tunnels - p378
doi:10.1038/scientificamerican11241906-378e
What Do the Birds Eat? - p379
Helen Lukens Gaut
doi:10.1038/scientificamerican11241906-379
A Curious Chemical Experiment - p380
Gustav Michaud, D. Sc.
doi:10.1038/scientificamerican11241906-380a
A New Apparatus for the Coaling of Warships - p381
doi:10.1038/scientificamerican11241906-381
The Opposition of Mars in 1907 - p383
Frederic R. Honey
doi:10.1038/scientificamerican11241906-383
Effects of the Recent Hurricane at Mobile - pp385 - 386
Day Allen Willey
doi:10.1038/scientificamerican11241906-385
Soft Crystals Showing Apparent Life - p387
Alfred Gradenwitz
doi:10.1038/scientificamerican11241906-387