Features
Champagne and its Production
Prosperity of Our Manufactures
Plans for Cooling and Ventilating Buildings by Morin and Regnault
The Foot Lathe
Two Kinds of Electricity
Barnum's Button
Rogers's Belt Stretcher
Miscellaneous Summary
Polytechnic Association of the American Institute
Effect of Sanitary Regulations
Recent American Patents
Patent-Office Decisions
Hare's Oil Cup
Administration of the Patent Office
An English Tank Engine
A Large Steam Cylinder
Concerning Belts
Death of Professor Mapes
Our Position on the Expansion Question
Patent Claims
Best Mode of Introducing Inventions
Patent Agency Office
Rendering Cloth Uninflammable
Special Notices
Departments
- Departments
Correspondence
Notes and Queries