Scientific American Magazine
Volume 9, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Flying Machine, New Rifled Gun, and more
Correct Explanation of the Ghost
Report on Armstrong Guns
Discoveries and Inventions Abroad
Paper-Making in America
Miscellaneous Summary
Working Steam Expansively
Miles's Wagon Stake
The National Bank
Thunder Storms--Lightning Conductors
Piston Speeds of Beam Engines
Prize Exhibition of Farm Engines
Portable Engines
Applications for the Extension of Patents
Perpetual Motion
Recent American Patents
Patent Claims
To Our Readers
Departments
New Books and Publications
Correspondence
Notes and Queries
