Features
The Most Important American Discoveries and Inventions
A Glance at the Metropolitan Sanitary Fair
Polytechnic Association of the American Institute
Bing's Brake Shoe
Special Notices
Patent Reflector Lantern
Inspect Your Steam Boilers
Air Surface Condensers
Interesting Facts Concerning the Good-Year Patent Case
Recent American Patents
Patent Claims
Patents Granted for Seventeen Years!
Rates of Advertising
The Cheapest Mode of Introducing Inventions
Valuable Work for Inventors Patentees and Manufacturers
Improved Plan For Constructing Ships
Departments
- Departments
Correspondence
Notes and Queries
