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 Magnetic Combination Lock, Method of Lighting Theatres, and more

Abattoir for New York

Miscellaneous Summary

The Madstone--A Delusion

The Anthistometer or Measurer of Resistance

The Markets

English and American Guns

Boiler Explosions Not Always Mysterious

The Use of Fuel--Management of Bitu Minous Coal

Patent Claims

New Publications

Peck's Patent Patched Bullet


  • Departments


  • New Inventions

  • Notes and Queries

Purchase To Read More

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