Features
Metallic Cæsium
Suffocation by Coal Gas
The Parasite of the Clam
Klinkerfues' Weather Compass
Decisions Relating to Patents
Stationary Engine with Adjustable Cut-Off Valves
Improved Plow
New Cotton Chopper
New Disintegrating Riffles
The Great Ant-Eater and Its Young
Mechanical Inventions - May 20, 1882
Engineering Inventions - May 20, 1882
Electrical Invention - May 20, 1882
Agricultural Inventions - May 20, 1882
Miscellaneous Inventions - May 20, 1882
Departments
- Departments
Notes and Queries - May 20, 1882
New Books and Publications - May 20, 1882
Business and Personal - May 20, 1882
Index of Inventions - May 20, 1882