Features
The Union of Iron and Steel
A Mechanical Dictionary Needed
How Globes are Built
Natural Gas as an Industrial Factor
The Equitable Rights of Inventors Before Congress
Rain Water Trap
Hand Corn Planter
Well Bucket Windlass
Steam Trap
Feeder for Mills, Purifiers, Etc
Miter Box
Shell Extractor for Fire Arms
Improved Propeller Wheel
Novel Arrangement of Water-Tight Compartments
Cailletet's Apparatus for the Liquefaction of Gases
The Mexican Axolotl
Engineering Inventions - July 5, 1884
Mechanical Inventions - July 5, 1884
Miscellaneous Inventions - July 5, 1884
Agricultural Inventions - July 5, 1884
Departments
- Letters
Correspondence - July 5, 1884
- Recommended
New Books and Publications - July 5, 1884
- Departments
Business and Personal - July 5, 1884
Notes and Queries - July 5, 1884
Index of Inventions - July 5, 1884
