Features
Notes on Naval and Military Affairs
Census Statistics of 1860
The Ram Arkansas
John Scott Russell on Iron-Clad Ships
Schau's Boiler Scale Preventer
Explosions of Boilers-Renewed Discussions of Theories
Filling of the Great Reservoir
The Post Office--Its Rise and Progress
Our Iron-Clad Fleet
Indian Corn for England
Valuable Receipts
Manufacture of Saltpeter
Recent American Inventions - August 30, 1862
Recent Foreign Inventions - August 30, 1862
Patent Claims
To Our Readers
Departments
- Letters
Correspondence - August 30, 1862
- Departments
On Force-Laws of Motion
Notes and Queries - August 30, 1862
