Scientific American Magazine
Volume 23, Issue 11You are currently logged out. Please sign in to download the issue PDF.
Features
Watchmaking in America
The Carpenter Self-Threading and Self-Setting Needle for Sewing Machines
Social Classification
Concrete Paving
Influence of Sound upon Rain
Boiler Incrustations
As Regards Protoplasm
Destructive Action of Illuminating Gas on Vegetation
Raising of the Steamship "Scotland" off Sandy Hook
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
Correspondence- September 10, 1870
New Books and Publications- September 10, 1870
Business and Personal- September 10, 1870
