Features
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
Paper Money vs. Gold
The Influence of War Upon Inventions
The Sale of Explosive Illuminating Fluids
Important to Manufacturers and Importers
Visit to the Delamater Iron Works, New York
Spontaneous Generation
The Orange Judd Hall of Natural Science
Scientific Intelligence- August 20, 1870
Answers to Correspondents- August 20, 1870
Official List of Patents- August 20, 1870
Applications for the Extension of Patents- August 20, 1870
Recent American and Foreign Patents- August 20, 1870
Departments
- Letters
Correspondence- August 20, 1870
- Departments
Bussiness and Personal- August 20, 1870
