Scientific American Magazine
Volume 4, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
La Gloire
American Naval Architecture
Electricity and Some of its Practical Applications
Towers' Patent Broom
Romance of the Steam Engine
Column of Varieties
Inventors More Hopeful—Advice Gratis and Advice for Pay
Who Ought to be Commissioner of Patents?
An Evening at the Polytechnic
Manufacture of Colors
A Newspaper Befogged—Ignorance Concerning Patents—McCormick's Reaper Extension
Productive Consumption of Wealth
The Polytechnic Association of the American Institute
Patent Claims - February 16, 1861
Whipple's Improved Air Engine
Departments
Our Correspondence - February 16, 1861
Notes and Queries - February 16, 1861
