Scientific American Magazine
Volume 1, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Variety Molding Machine
A Curious Fact
Award of Medals by the American Institute
Notes on Foreign Inventions
File-Cutting Machine
Weekly Summary of Inventions
The Cereals of the United States
Coral Formations
Spontaneous Combustion of Sawdust
The Potato Bug
Home Patent Agents
A Large Planetarium
The Condition of Applications at the Patent Office
A Column of Interesting Varieties
Patent Case--Wood-Splitting Machine
Sewing-Machine Guide
Improved Fan Governor
Hyatt's Extension Case--Remarks on the Commissioner's Decision
Iron Vessels
City Public Parks
What Becomes of Heat?
Hyatt's Patent Extension Case
Patent Claims
Foreign Summary
Graphite Paint
Avery's Railroad Joint
Improved Hydrant
Departments
Notes and Queries
