Scientific American Magazine
Volume 20, Issue 26You are currently logged out. Please sign in to download the issue PDF.
Features
Sea Cables
The Qualities Required in a Good Shears for Cutting Iron or other Metals
Watch Protector
Official List of Patents
Velocipede Notes
Improved Air Carbureter or Gas Chandelier Apparatus
Renewed Vigor at the Patent Office
Threatened Extinction of Patent Rights
On the Importance of Proper Arrangement in Shops
Power Required to Drive a Sewing Machine
A Word to New Friends and Old
Hoop Skirt Litigation
Important Decision about Rejected Cases
Recent American and Foreign Patents
Patent for Stretching Chains—Novelty
Manufacturing, Mining, and Railroad Items
New Publications
Answers to Correspondents
Departments
Correspondence
Business and Personal
Index
