Features
Manufacture of Elastic Toys
Valuable Receipts
What May Be Seen at the Atlantic Docks
The Science of Steam Engineering
The New Atlantic Telegraph
The Safety Valve
An Important Crisis in the History of Newspaper Publishing
Slackness at the Patent Office
The Continental Telegraph
General Mitchell
Sharpshooters
Improved Tools
Patent Business in 1880 and 1862
Recent American Inventions
Recent Foreign Inventions
Patent Claims
To Our Readers
Brown's Patent Automatic Letter-Box
Departments
- Departments
Correspondence
Notes and Queries
