Features
Romance of the Steam Engine - February 23, 1861
American Engineers' Association
Humbert's Improved Watch Escapement
Column of Varieties
Another Great Mechanic Gone
What Inventors Have Done
Altering our Naval Vessels
Unproductive Consumption of Wealth
Passage of the Patent Bill
American Coal
The Proposed New Tariff
The Polytechnic Association of the American Institute
Patent Claims - February 23, 1861
Departments
- Letters
Our Correspondence - February 23, 1861
- Departments
Notes and Queries - February 23, 1861
