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Features

Improved Patent Bridge, Window Glass

Philadelphia

Swindling by Machinery

Pittsburgh Petroleum Trade

Applications for the Extension of Patents

Miscellaneous Summary

The Wonders of the Animal Kingdom

The *ldquo;Autophoneon”

A Chance for the Ingenious

Christy's Patent Sad-Iron

What Can Be Done for Inventors--Advice Gratis and Advice for Pay

Is Your Boiler Safe?

A Grand Continental Railroad

Breech-Loading Versus Muzzle-Loading Guns

Sorghum Cane and Sugar

American Inventions Abroad

Recent American Patents

Patent Claims

To Our Readers

Machinery Versus Muscle

Departments

  • Departments

    Correspondence

  • Notes and Queries

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March 07, 1863

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