Scientific American Magazine
Volume 6, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Screw and Tapping Machines
Notes on Military and Naval Affairs
United States Circuit Court--Ohio
Polytechnic Association of the American Institute
Reports of Our Military Commission to Europe
Convention of Sorghum Sugar Manufacturers
Are Iron-Plated Ships Invulnerable?
Extension of Patents--For Whose Benefit they are Granted
The Colors from Coal Tar
Recent American Inventions
Recent Foreign Inventions and Discoveries
Patent Claims
To Our Readers
Departments
Correspondence
Notes and Queries
