Features
The Invention of the Card-Making Machine, Miscellaneous Summary
To Machinists and Others
Recent Southern Intelligence
Farmers' Club
Polytechnic Association of the American Institute
Impregnable Armor
Crosby's Pocket Calendar
Trivial Things
Explosions of Steam Boilers
A Remonstrance Against the Extension of the Goodyear Patent
The Monitor Turrets
The New Call, and Breech-Loaders
Special Notices
The Centigrade Thermometer
Recent American Patents
Patent Claims
Patents Granted for Seventeen Years!
To Our Readers
Rates of Advertising
The Cheapest Mode of Introducing Inventions
A Valuable Work for Inventors Patentees and Manufacturers
Improved Lightning-Rod, Diseases of Over-Worked Men
Departments
- Departments
Correspondence
Notes and Queries
