Table of contents
Recently Patented Inventions
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An Instrument for Detecting Delicate Acoustic Vibrations - p26
Shirl Herr
doi:10.1038/scientificamerican07111903-26a
Philadelphia's High-Pressure Fire Pipe Line - p28
doi:10.1038/scientificamerican07111903-28
A 6,000-Ton Floating Depositing Pontoon Dock - pp29 - 30
doi:10.1038/scientificamerican07111903-29
The Amœba—A Slime Monster and its Victim - p31
J. Carter Beard
doi:10.1038/scientificamerican07111903-31