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Improved Baling Press, Colt's Armory, and more

Farmers' Club

Miscellaneous Summary

Spherical Steel Shot

The Production of Cast Steel Directly from Pig Iron

Permanent Commission of the Navy Department

The Way Boiler Scale is Deposited

The Drill and its Office

A Hint Worth Remembering

A Most Noble Project

The India-Rubber Extension Case

Air-Pumps and Condensers

Breech-Loading Rifles for the Army

Revival of the Cotton Manufacture

Recent American Patents

How the Sterns of Screw Ships are Bored

Patent Claims

Patents Granted for Seventeen Years!

To Our Readers

Rates of Advertising

A Valuable Work for Inventors Patentees and Manufacturers

The Cheapest Mode of Introducing Inventions

Great Improvement in Engraving

Improved Window Sash Stop


  • Departments


  • Notes and Queries

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March 12, 1864

20% Sitewide for President's Day