Features
Yellow Metal Ship Fastenings
Polytechnic School in New York
Novel Rotary Steam Engine
Stalactites
American-Built Russian Steamers
Improved Oscillating Pump
Improved Card Press
Improved Wagon Seat
Nail Machine
American Cotton is King
Why we Oppose the Extension of Patents
The Infected Ship
Employment for our Poor in the West
India Rubber Extension Cases
Paddle Wheel
New Printing Press
More Potash
Improved Breakwater
New Smut Machine
The Decision in the Reaper Patent Case
Self-Indicting Balance Barometer
Improved Hatchet
Apparatus for Impregnating Liquids with Carbonic Acid Gas
Mechanics
American and European Railroads
Improved Cotton Picker
Departments
- Letters
Correspondents - May 8, 1858
