Features
A Second Matthew Vassar
Improvements in Sugar Making Wanted
Dust Explosions
A Horse's Motion Scientifically Determined
Improved Education
Public Sanitation
The Pauper Tribe
The Spectroscope in Solar Work
A Wrinkle in Filing
Improved Steam Fire Engine
Astronomical Notes
Golden Bird of Paradise
Hairy Prehensile-Tailed Porcupine
American Goods in Brazil
Mechanical Exhibition at Boston
To Inventors
Communications Received
Value of Patents and How to Obtain Them
Departments
- Departments
Correspondence
Business and Personal
Notes and Queries
Index of Inventions
