Features
Hammer for Making Iron Plates, Strength of Franklinite Iron
Notes on Military and Naval Affairs
Polytechnic Association of the American Institute
Colburn's Protector and Reflector for Glass-Lamp Chimneys
Rats
The Troy Fire and Iron-Proof Safes
Capt. Norton and the Scientific American
Inventors Loyal
Progress of Our Iron-Clad Fleet
Employment of Females in Industrial Operations
The New Iron Steamer Scotia
Giffard's Injectors--The Machine Business in Philadelphia
Recent American Inventions - June 14, 1862
Patent Claims
To Our Readers
Departments
- Letters
Correspondence - June 14, 1862
- Departments
Notes and Queries - June 14, 1862
