Features
Improved Door and Shutter Bolt
Electrolytic Insulation
The Excursion of the Boston Board of Trade over the Pacific Railroad--The Pullman Palace Cars
Hickman's Hand Corn Planter
Transpiration in Plants
Weatherhead's Dividers
The Mantis
The Carp Enter Self-Heating Fluting Machine
Artificial Stone--The Sorel Process
Effect of Artillery Discharges upon Weather
Smoke Consumption
Progress in the Manufacture of Colors
Scientific Intelligence- October 22, 1870
Portable Dwelling Houses
Applications for the Extension of Patents- October 22, 1870
Fair of the American Institute- October 22, 1870
Recent American and Foreign Patents- October 22, 1870
Answers to Correspondents- October 22, 1870
Official List of Patents- October 22, 1870
Departments
- Letters
Correspondence- October 22, 1870
- Recommended
New Books and Publications- October 22, 1870
- Departments
Business and Personal- October 22, 1870
