Scientific American Magazine
Volume 76, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
Compressed Air System on the United States Monitor Terror
Important Amendments to the United States Patent Statutes
The Proposed Mammoth Relief Map of the United States
Japanese Patents
Another New Patent Law
Amendments to the Patent Statutes
Patent Attorneys Appeal
Automatic Strength Tester and Vending Machine
The Boston Gas Explosion
Alexander Herrmann Prestidigitator
A Four Sided Dovetail
Insects' Wings-Rapidity of Vibration in Flight
Departments
Correspondence - March 20, 1897
Recently Patented Inventions - March 20, 1897
Index of Inventions - March 20, 1897
Notes and Queries - March 20, 1897
Business and Personal - March 20, 1897
