Scientific American Magazine
Volume 23, Issue 19You are currently logged out. Please sign in to download the issue PDF.
Features
Steam Plow, On Improved Appliances for the Production of Heavy Forgings
The Labor Movement in England
Chloralum--A New Antiseptic
A Dollar Steam Engine
Improved Elevator
Automatic Telegraphy
The Sea Urchin
Chemistry at the Fair of the American Institute
The Tellier Ice Machine
A Second Roger Bacon, and a Century of Inventions (Almost)
A Singular Monstrosity
The Wages of Labor
Scientific Intelligence- November 5, 1870
Letters from the South- November 5, 1870
The Value of the Honey Bee in Agriculture
Answers to Correspondents- November 5, 1870
Official List of Patents- November 5, 1870
Recent American and Foreign Patents- November 5, 1870
Departments
Correspondence- November 5, 1870
Business and Personal- November 5, 1870
New Books and Publications- November 5, 1870
