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A Good Notice on Both Sides

Preserving Fur

Machine for Sweeping the Streets

List of Patent Claims

New York Railroads

Daguerreotype Pictures for the Stereoscope

To Inventors

Pennsylvania Polytechnic College

Natural Right of Man to His Invention

Fuel Cutter

Steam Fire Engines

Mascher's Stereoscopic Books

Henry Cort, the Inventor of Grooved Rollers and the Puddling of Iron

Five Reasons Against the Extension of the Woodworth Patent.--Letter from Constituents to a Member of Congress

Recent American Patents

Propositions for Testing Engines and Boilers

Louisiana Right Side Up

Gold and its Uses--No. 3

American Association for the Advancement of Science

Steamboat Dangers

Recent Foreign Inventions

Orfila's Hair Dye

Important Items

Another Perpetual Motion


Inventors, and Manufacturers



  • Letters

    To Correspondents

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March 29, 1856

The Antidote to Anti-Intellectualism