Features
Improved Bolt Cutter
Miscellaneous Summary
The Manufacture of Beet Sugar
Phenic Acid
Storer's Open-Top Suet Lubricator
Should There be a Patent Law ?
The Way Felt Hats Are Made
Workingmen's Associations
Novel Mode of Treating Coffee
Mershon's Watch Key
The Non-Recoil Gun--A New Principle in Explosives
The Scientific Americana New Volume
What the South Needs
Patent Claims
Patent Office
Index
Departments
- Departments
Correspondence
New Inventions
Notes and Queries
