Scientific American Magazine
Volume 4, Issue 25You are currently logged out. Please sign in to download the issue PDF.
Features
De Brame's Revolving Cannon
The War
Changes in the Patent Office
India-Rubber Manufactures for Army and Navy Purposes
Important Experiments
Machinery of the Patent Office
Recent American Inventions
How Percussion Caps are Made
Our Foreign Relations
Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan should become a Fatron of the Scientific American
Flax as a Substitute for Cotton—A Delusion
Important to our Subscribers
Our Army Commissariat—Bread
Improvements in Cannon
The Folly of Appointing Civilians to Military Command
Patent Claims - June 22, 1861
To Our Readers
The Lady's Winged Grenade for House Defense
Departments
Notes and Queries - June 22, 1861
