Scientific American Magazine
Volume 5, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Wool-drying Apparatus
The War
Thermometer as a Steam Pressure Gage
The Power of a Moving Body—The Simple Facts of the Case
Social Science Congress
The American Photographical Society
The Influence of War on Inventions
Phenomena Attending Combustion—Gas and Candle Light
The Bombardment of Fort Hatteras—Shells and Big Guns
Information as to the Patentable Novelty of Inventions
Glass for Leyden Jars
The Armstrong Gun and Angulated Iron Plates
New Engine Condensers
Patents Granted for Lubricating Compounds
Patent Claims - September 21, 1861
Recent American Inventions
Work and Power
Patents in the Southern Confederacy
Instructions about European Patents
The New Gunboats
Departments
Correspondence - September 21, 1861
Notes and Queries - September 21, 1861