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Features

Improved Baling Press, Colt's Armory, and more

Miscellaneous Summary

Farmers' Club

The Production of Cast Steel Directly from Pig Iron

Spherical Steel Shot

Permanent Commission of the Navy Department

The Drill and its Office

The Way Boiler Scale is Deposited

A Hint Worth Remembering

Air-Pumps and Condensers

The India-Rubber Extension Case

A Most Noble Project

Breech-Loading Rifles for the Army

Recent American Patents

Revival of the Cotton Manufacture

How the Sterns of Screw Ships are Bored

Patent Claims

Patents Granted for Seventeen Years!

Rates of Advertising

To Our Readers

A Valuable Work for Inventors Patentees and Manufacturers

The Cheapest Mode of Introducing Inventions

Improved Window Sash Stop

Great Improvement in Engraving

Departments

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    Correspondence

  • Notes and Queries

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March 12, 1864

Scientific American Space & Physics