Features
Seal Fishing
The Metric System
Vincent's Process of Preparing Linseed Oil
The United States Storm Signal Service Weather Charts and Reports
Gecmen's Improved Malt Kiln
Flying Spiders
Patent Packing Box
Substitute for Wine Cellars
Swartwout's Front Running Gear for Wagons
Runk's Belt Tightener
Steam Towage for the Erie Canal
The Necessities of Life
Grape Sugar
Immigration-Report of Edward Young, Chief of the Bureau of Statistics
Sulphur in Louisiana
Coal Tar Products
Manufacture of Silk--Silk Worm Eggs
The Bathometer, and other Instruments for Exploring, Measuring, and Utilizing the Sea
Answers to Correspondents- May 27, 1871
Official List of Patents- May 27, 1871
Applications for Extension of Patents- May 27, 1871
Queries- May 27, 1871
Recent American and Foreign Patents- May 27, 1871
Departments
- Letters
Correspondence- May 27, 1871
- Recommended
New Books and Publications- May 27, 1871
- Departments
Business and Personal- May 27, 1871
