Features
Notes on Military and Naval Affairs
Order of Studies
The Spectrum
New Tool for Tailors and Seamstresses
Mortising Auger
Remarkable Boiler Explosion
Some Facts in the History of Chemistry
The McCormick Reaper Extension Case
De Brame's Skeleton Cannon—Successful Experiment
The Commissioner's Decision in McCormick's Extension Case
The Condition of our Soldiers
Completion of the Pacific Telegraph
Fifteen Thousand Patents Secured through Our Agency
Perkins' Steam Gun Again
The Next Number
The Warmest and Best Clothing
Chemistry of Iron
The Spectroscope in New York
Steam Battering Rams
New York Markets
Recent American Inventions
Notes on Foreign Inventions
Patent Claims - November 9, 1861
Issued from the United States Patent Office
Departments
- Departments
Notes and Queries - November 9, 1861