Scientific American Magazine
Volume 6, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in the Steam Engine
Notes on Military and Naval Affairs
Polytechnic Association of the American Institute
Hunter's Army and Travelers' Compass
Ludlow's Sliding Stop Valve
The Craig Microscope
Grease and India Rubber
Americans at the Great English Exhibition
Revolving Turrets for Barbette Guns
A Good Move in Life Insurance
Printing in Colors
Torpedoes to Destroy Vessels
Recent American Inventions
Patents Claims
To Our Readers
Departments
Correspondence
Notes and Queries