Features
The Tallow Tree and its Uses
First Grand Industrial Exposition of Louisiana
Patch's Corn Sheller
Gardner's Fire Extinguisher
Butter from California
Society of Arts of the Massachusetts Institute of Technology
Scientific and Practical Information - May 4, 1872
Drying Substances by Mechanical Action
The Congressional Sewing Machine Job
Progress of Astronomy and The Variable Stars
A Suggestion to Inventors and Value of Patented Improvements upon Patented Inventions
Artesian Wells and Malarial Fevers
Cable Towing on the Erie Canal
Recent American and Foreign Patents - May 4, 1872
Departments
- From the Editor
Answers to Correspondents - May 4, 1872
- Letters
Correspondence - May 4, 1872
- Recommended
New Books and Publications - May 4, 1872
- Departments
Notes and Queries - May 4, 1872
Business and Personal - May 4, 1872
Index of Inventions - May 4, 1872
