Features
The Carpenter Self-Threading and Self-Setting Needle for Sewing Machines
Concrete Paving
Influence of Sound upon Rain
Social Classification
Raising of the Steamship "Scotland" off Sandy Hook
Destructive Action of Illuminating Gas on Vegetation
As Regards Protoplasm
Boiler Incrustations
Manufacture of Kumis
American Sumac
Official List of Patents- September 10, 1870
Answers to Correspondents- September 10, 1870
Recent American and Foreign Patents- September 10, 1870
Departments
- Letters
Correspondence- September 10, 1870
- Recommended
New Books and Publications- September 10, 1870
- Departments
Business and Personal- September 10, 1870
