Features
Improved Horse Rake, The Atlantic Cable Again
A Safe Gunpowder
Adamas--Soapstone
Jacobs's Mode of Securing Chimneys to Lamps
The London Exhibition
Petroleum for Fuel
Notes on Military and Naval Affairs
Secretary Welles and Our Iron-Clad Navy
Meerschaum
The Patent Law Amendment
Our London Correspondence
Hints to Our Subscribers
Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan should become a Patron of the Scientific American
What We Ought to do in Relation to Iron-Plated Ships
The End of our Volume
Patent Law Amendments
Arm the Mississippi Forts
A Great Silver Ware Manufactory
Recent American Inventions - June 28, 1862
Patent Claims - June 28, 1862
To Our Friends
To Our Readers
Departments
- Letters
Correspondence - June 28, 1862
- Departments
Index - June 28, 1862
Notes and Queries - June 28, 1862
