Features
Facts About Petroleum
Farmers' Club
Polytechnic Association of the American Institute
Miscellaneous Summary
Camp Nelson Water Works
Satuders's Friction Weight for Beams
Saunders's Improved Bobbin
Strikes
The Great Victory
Value of Coal Ashes
Knowing Too Much
Microscopic Objects
Recent American Patents
Patent Claims
Rates of Advertising
Notice to Subscribers
To Our Readers
Special Notice to Inventors
The Cheapest Mode of Introducing Inventions
A Valuable Work for Inventors Patentees and Manufacturers
Prospectus
Departments
- Departments
Correspondence
Notes and Queries
