Features
Influence of Food Upon the Intellect
Miscellaneous Summary
Hard Boiling
The Great Naval Controversy
American Armor Plates
The Camphor Storm-Glass
The World's Indebtedness to Science
Special Notices
Recent Southern Intelligence
Comparison Between American and English Taxes
Patent Claims
Recent American Patent
To Our Readers
Patents Granted for Seventeen Years!
Departments
- Departments
Correspondence
New Books and Publications
Notes and Queries
