Features
Our Five Hundred Thousand Dollar Commissioner to Vienna
A Remarkable Test Plate
Italian Industrial Progress
The Fair of the American Institute
Astronomical Notes
Scientific and Practical Information
Steam Traction
Remarkable Magnetic Storms and Auroras in Europe
New Plan for a Local Fire Department
Scientific and Mechanical Possibilities
Lathe Center Grinder
Improved Steam Engine
Transmission of Motion
Inventions and Suggestions for the Prevention of Fires
The Consciousness of Dogs
How Money is Made
Decisions by the Commissioner of Patents
Decisions of the Courts
Answers to Correspondents
Recent American and Foreign Patents
Value of Patents, and How to Obtain them
Practical Hints to Mentors
Patent Cold Rolled Shafting
Departments
- Departments
Correspondence
New Books and Publications
Business and Personal
Notes and Queries
Index of Inventions