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Features

Improved Typographer, Armament of the Monitors

Coffee and the Prolongation of Life

Miscellaneous Summary

New York Markets

Government Ordnance Experiments

Cultivating Land by Steam

Prices is Dixie Land

Practical Management of Flax

Fast Steamships in the Navy

Our Journal for 1864

Warren's Beehive and Honey Box

Energy of Heated Water

Speed of Cutting Tools

Derangement of Steam Engines

British Iron and Iron Makers

The Dyes Obtained from Coal Tar

Iron-Clad Ships--Performance of the “Red'italia.”

Packing Steam Pistons

Coal Tar as a Preservative Agent

Overburdened Ships of War

Important Decision Affecting the Rights of Joint Owners of Patents

Patent Claims

Patents Granted for Seventeen Years!

To Our Readers

Rates of Advertising

A Valuable Work for Inventors Patentees and Manufacturers

Improved Grate for Locomotive Fireboxes

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  • Notes and Queries

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January 16, 1864

Beyond XX and XY

Biology. Identity. Equality.