Scientific American Magazine
Volume 13, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Reduction in Terms
Improved Self-Setting Trap, Cuban Machine Agency, and more
The Great Improvements of the Past Nine Years
Recent American Patents
The Best Way to Make Brass Tubes
Another Pneumatic Railway in London
Broughton's Gage Cock
Farmers' Club
Action of Fluxes
Special Notices
Market for the Month
The Lost Arts
Patent Claims
To Our Readers
Patent Agency Office
Departments
Notes and Queries
Correspondence
