Features
Tests of the Torpedo Cruiser Vesuvius
Position of the Planets in June
An Automatic Adding and Recording Machine
An Improved Metallic Piston Packing
An Improved Metallic Railroad Tie
An Improved Dumping Cart
Atkinson's Cycle Gas Engine
The Yaryan Process and Apparatus for Evaporation of Liquids
A Remarkable Railroad Accident
New Lantern Effect
To Inventors- May 30, 1891
Departments
- Letters
Correspondence- May 30, 1891
- Departments
Recently Patented Inventions- May 30, 1891
Business and Personal- May 30, 1891
Index of Inventions- May 30, 1891
Patents! - May 30, 1891
