Volume 26, Issue 10
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Features
Triscott and Wheeler's Shoe Fastenings
Patton's Improved Meat Chopper
Rotary Engines
Middle Park, Colorado
Congress and Patent Extension Cases
Publication of the Patents
Drying Substances by Steam
American Homesteads
The Stupidity of Ignorance
The Positive Motion Loom Grand Medal of Honor
Scientific and Practical Information
Extension Cases before Congress
[Special Correspondence of the Scientific American.]