Scientific American Magazine
Volume 12, Issue 3You are currently logged out. Please sign in to download the issue PDF.
Features
Improved “Dead-Center Lift”
Report of the Chief of the Bureau of Ordnance
The Plants and Animals of the Petroleum Rocks
Punched and Drilled Holes in Plates
Polytechnic Association of the American Institute
Turning Tools
New Books and Publications
Recent American Patents
Miscellaneous Summary
Special Notices
Notice to Subscribers
Dodge's Adjustable Caster for Sewing Machines
Steam on Common Roads
What is Utility
Charcoal
The Torpedo Ship
Patent Claims
Departments
Correspondence
Notes & Queries
Patents