Scientific American Magazine
Volume 23, Issue 8You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Screw Steering Apparatus, The Siphon-Recorder for Submarine Cables, and more
The Artisan in France, Belgium, and Holland
The Orthopters--The Grasshoppers and their Allies
The Strike of the "Raffineurs" at La Villette, France
Scientific and Practical Facts and Items
The Influence of War Upon Inventions
Paper Money vs. Gold
Important to Manufacturers and Importers
The Sale of Explosive Illuminating Fluids
Visit to the Delamater Iron Works, New York
Spontaneous Generation
Scientific Intelligence- August 20, 1870
The Orange Judd Hall of Natural Science
Answers to Correspondents- August 20, 1870
Applications for the Extension of Patents- August 20, 1870
Recent American and Foreign Patents- August 20, 1870
Official List of Patents- August 20, 1870
Departments
Correspondence- August 20, 1870
Bussiness and Personal- August 20, 1870