Features
Improved Steam Oven
How to Make Coffee
Production of Odoriferous Oils
A Novel Mode of Treating Coffee
Legislation About Patents in Congress
When Strikes Will Succeed
Experiments in Aerial Navigation
Supplement
Baird's Simplification of the Screw Engine
Novelties in Invention
Wages in Pittsburg
New Publications
The Decimal System of Weights and Measures
Miscellaneous Summary
Patent Claims
Issued from the U. S. Patent Office
To Our Readers
Lamb's Dish-Stand
Departments
- Departments
New Inventions
Correspondence
Notes and Queries