Volume 67, Issue 12
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Features
The Need of Improved Quarantine Stations
An Efficient Glass-Polishing Machine
An Improved Neck Yoke
An Improved Bolt-Threading Machine
A Device to Distribute Oil on Water
An Improved Liquid-Measuring Device
Rogers' Cold Forging Process for Wood Screws
Straight Line Indicator
The Cone of Flowers
Improved Hand Camera
The World's Columbian Exposition
Searching for Sunken Gold Near Hell Gate, New York
Recent Decisions Relating to Patents
By the Commissioner of Patents