Features
The War
Changes in the Patent Office
India-Rubber Manufactures for Army and Navy Purposes
Important Experiments
Recent American Inventions
Machinery of the Patent Office
How Percussion Caps are Made
Flax as a Substitute for Cotton—A Delusion
Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan should become a Fatron of the Scientific American
Important to our Subscribers
Our Foreign Relations
Improvements in Cannon
The Folly of Appointing Civilians to Military Command
Our Army Commissariat—Bread
Patent Claims - June 22, 1861
To Our Readers
The Lady's Winged Grenade for House Defense
Departments
- Departments
Notes and Queries - June 22, 1861
