Features
Concerning Melodeons and their Manufacture
The Last Meeting of the Polytechnic, Miniature Engine and more
Heat Produced by Different Kinds of Fuel
Special Notices, Improved Wagon-Box Setter and more
Recent American Patents
The Goodyear Extension Case
Britain's Potato-Boiler
A Law of Combustion
American Steamships
Preserving Fruit, Patent Claims
Bi-Monthly Reports of the Agricultural Department
The Submarine Cables of the World, A Skillful Colored Mechanic and more
Departments
- Departments
Correspondence
Notes and Queries
Patents