Skip to main content

Features

Improved Screw and Tapping Machines

Notes on Military and Naval Affairs

United States Circuit Court--Ohio

Polytechnic Association of the American Institute

Are Iron-Plated Ships Invulnerable?

Reports of Our Military Commission to Europe

Convention of Sorghum Sugar Manufacturers

Extension of Patents--For Whose Benefit they are Granted

The Colors from Coal Tar

Recent American Inventions

Recent Foreign Inventions and Discoveries

Patent Claims

To Our Readers

Departments

  • Departments

    Correspondence

  • Notes and Queries

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
May 24, 1862