Table of contents
Recently Patented Inventions
Business and Personal
Notes and Queries
Index
Patent Notes
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The Underground Trolley and the Third Rail in Electric Traction - pp438 - 439
doi:10.1038/scientificamerican12191896-438a
Improved Ball Bearing for Bicycle Hubs - pp440 - 441
doi:10.1038/scientificamerican12191896-440a
The American Museum of Natural History-Its Collections and Work-the Mounting of the Elephant “Tip” - pp441 - 442
doi:10.1038/scientificamerican12191896-441
Logging in the Sierra Nevada Mountains, California - pp444 - 446
doi:10.1038/scientificamerican12191896-444