Features
Dr. Brown-Sequard's Recent Experiments
An Improved Ash Sifter
An Improved Propeller-Shaft Bearing
A Spark Conductor for Locomotives
An Improved Lock
The Paris Exhibition
An Improved Pocket Knife
An Improved Draughtsman's Protractor
An Improved Ink Eraser
The New U.S.Cruiser Philadelphia
Views on Mt. Hood
Gold Beating
An Improved Feed Water Heater and Condenser
An Improved Floor Beam Connection
Departments
- Letters
Correspondence- August 10, 1889
- Departments
Notes and Queries- August 10, 1889
Business and Personal- August 10, 1889
Recently Patented Invention- August 10, 1889
Index of Inventions- August 10, 1889
To Inventors- August 10, 1889
