Scientific American Magazine
Volume 21, Issue 26You are currently logged out. Please sign in to download the issue PDF.
Features
Seymour's Patent Pocket Boot-Jack
Improved Horse-Power Fire Engine, Novel Trout Fishing
Railway Bridge Across the Seine
The Spectroscope and Aurora Borealis
Official List of Patents
American Inventions in Europe
New Publications
Reduce the Cost of Patents
Steam Plowing in America
Announcements for the New Volume
To Our Readers
The Uses of Snow
What Remains for Inventors
Men of Progress—Great Inventors
The Constructive Faculty of the Mind
Micrographs
Answers to Correspondents
Applications for Extension of Patents
Recent American and Foreign Patents
Departments
Correspondence
Business and Personal
Index
