Features
Government Contracts Undesirable
Elias Loomis
An Improved Game Apparatus
An Improved Governor
An Improved Window Ventilator
An Automatic Ash Sifter
An Improved Astronomical Mirror
An Improved Elevator Alarm
The Boynton Bicycle Engine
The Paris Exhibition
Departments
- Departments
Notes and Queries- September 7, 1889
Recently Patented Inventions- September 7, 1889
Business and Personal- September 7, 1889
Index of Inventions- September 7, 1889
To Inventors- September 7, 1889
