Features
Beet Root Sugar
Free Trade and Protection
Haskell's Portable Bookcase
A New Process for Determining the Comparative Value of White Lead
Pallissard's Walking Support for Infants
Practical Suggestions on Tanning Leather
Editorial Summary
Improved Hinge and Door Stay
Improvement in Three-Wheeled Velocipedes
Centenary of the Steam Engine—James Watt
Vis Inertia
Employers and Employed
Habits of Mechanics
The Recent Auroral Display
The Relative Merits of New Iron and of Scrap Iron as Materials for the Shafts of Ocean Steamers
Applications for the Extension of Patents
Answers to Correspondents
New Publications
Recent American and Foreign Patents
Official List of Patents
Departments
- Departments
Correspondence
Business and Personal
