Scientific American Magazine
Volume 11, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Air Engine, Preservation of the Teeth
A Visit to the Great Volcano of Kilauea
The Military Railroad System of the United States
Miscellaneous Summary
Professor Treadwell on Hooped Cannon
Olmstead's Oil Can
American Machine Tools
Potatoes in Fat
The Scientific American for the Ensuing Year
Extension of Patents--For Whose Benefit They are Granted
Classical vs. Scientific Education
Aluminum Bronze Bearings
A Hint for the Holidays
Recent American Patents
Patent Claims
Recent English Patents
Fogle's Oil Cup
Departments
Correspondence
Notes and Queries
