Features
Center Vent Wheel with Hydrostatic Chamber
Recent Foreign Inventions
List of Patent Claims
Return of the Kane Arctic Expeditions
On Preserving Fruit
Machine for Peeling Willows
Improvement in Screw Fastenings
Improvement of Railroads
Great Fair of the American Institute
Machine for Re-Sawing Boards
Reminiscences of the Paris Industrial Exhibition No. 2
More Encroachments on the Patent Office
Express Charges on Models
The Weight of Coal
Gunpowder, Percussion Powder, and Their Substitutes
Economy of Oil Railroads
New Locomotives
Singular Robbery and Large Reward
Apples as Food
Mechanics
Inventors, and Manufacturers
Rendering Teeth Insensible to Pain
A Moon of the Moon
A Polar Coal Region
Gold in the Crimea
Departments
- Letters
To Correspondents