Features
Triscott and Wheeler's Shoe Fastenings
Patton's Improved Meat Chopper
Rotary Engines
Middle Park, Colorado
Drying Substances by Steam
Publication of the Patents
Congress and Patent Extension Cases
The Positive Motion Loom Grand Medal of Honor
The Stupidity of Ignorance
American Homesteads
Scientific and Practical Information
Extension Cases before Congress
[Special Correspondence of the Scientific American.]
Recent American and Foreign Patents
Departments
- From the Editor
Answers to Correspondents - March 2, 1872
- Letters
Correspondence - March 2, 1872
- Departments
Business and Personal - March 2, 1872
Notes and Queries - March 2, 1872
Index of Inventions - March 2, 1872
