Features
Romance of the Steam Engine
Flax and Cotton
Ships' Compasses—Dangerous Attraction—Engines and Iron Hulls
The Polytechnic Association of the American Institute
Patent Claims - April 20, 1861
Issued from the United States Patent Office
Departments
- Letters
Our Editorial Correspondence - April 20, 1861
- Departments
Notes and Queries - April 20, 1861
