You have access to SA issues and articles on Sciam through institutional access. Click here if you'd like to opt out.

You have access to Scientific American issues and magazine articles through your institution’s site license

Skip to main content


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

Turning Tools

Polytechnic Association of the American Institute

New Books and Publications

Recent American Patents

Miscellaneous Summary

Notice to Subscribers

Dodge's Adjustable Caster for Sewing Machines

Special Notices

The Torpedo Ship


What is Utility

Steam on Common Roads

Patent Claims


  • Departments


  • Notes & Queries

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

End of Summer Sale

End of Summer Sale