Scientific American Magazine
Volume 6, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
Railroad Suspension Chair, Disappearance of a Nebula
Notes on Military and Naval Affairs
Polytechnic Association of the American Institute
Kepner's Feathering Paddle Wheels
General Totten on the Ship and Fort Question
Extension of Patents--For Whose Benefit They Are Granted
The Great Troy Fire--Iron Safes Destroyed
Proposed Amendments to the Canada Patent Law System
The Best Gun
Patent Law Reform in New Brunswick
The Way the Gold Deposits of California Were Formed
Recent American Inventions
Patent Claims
To Our Readers
Departments
Correspondence
Notes and Queries
