Features
The Wonderful Regions of the West
Pneumatic Machinery for Bridges
"Greenbacks" and Postage Stamps
Number II
The Use of Sulphurous Acid in Distilleries
Improved Ore Separator
Coffee Washing Machine
How Do We Take Cold?
American Inventors in Austria
Interoceanic Canal
Efforts in Germany to Prevent Emigration
Animal Heat and Disease
Develope Your Inventions
Disinfectants
Molding Sand for Iron Founderies
Copies of Patents - October 12, 1872
Edmund Henry Knight
The Fair of the American Institute
Recent American and Foreign Patents - October 12, 1872
To Investors - October 12, 1872
Practical Hints to Inventors - October 12, 1872
Departments
- From the Editor
Answers to Correspondents - October 12, 1872
- Letters
Correspondence - October 12, 1872
- Recommended
New Books and Publications - October 12, 1872
- Departments
Notes and Queries - October 12, 1872
Business and Personal - October 12, 1872
Index of Inventions - October 12, 1872
