Features
The Great Earthquake
Insulator for Electric Wires
Spring Lock
Locomotive Boiler Check Valve
Steam Engine
Horse Collar
Michel Eugene Chevreul
Improved Shovel
Stopper Fastener
The Galatea and Mayflower
A New Long Distance Telephone System
The Acme Automatic Safety Engine
An Inexpensive Air Pump
Agricultural Inventions - September 18, 1886
Engineering Inventions - September 18, 1886
Miscellaneous Inventions - September 18, 1886
To Inventors - September 18, 1886
Departments
- Letters
Correspondence - September 18, 1886
- Departments
Business and Personal - September 18, 1886
Notes and Queries - September 18, 1886
Index of Inventions - September 18, 1886
