Features
The Plague or Black Death
Miscellaneous Summary
Theory and Practice
Sea Fogs and Signals
The Broadway Railroad
Paint for Iron Ships
The Patent Office Report for 1861
Changes in the Iron-Clads
Valuable Receipts
The Manufacture of Carriages
Patent Claims
Issued from the United States Patent Office
Recent American Patents
Departments
- Departments
Correspondence
Notes and Queries
