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Anderson's Revolving Steam Boiler

Hoosic Mountain Tunnel

James Watt

Metals of the United States

The Everglades

The Philadelphia Navy-Yard

Rivers of Alabama

Force of Waves

Foreign Correspondence

Astronomical Science

New Machine Shop at the Brooklyn Navy Yard

Singular and Startling Phenomenon

Steam Pleasure Yacht

The Earth's Motion Made Visible

Cholera in Animals

New Steamship Humboldt

Manufacture of Precious Gems

Another Trial of Prof. Page's Electric Locomotive

Discovery of Marl

Extracting Silver from Argentiferous Minerals

Gas Light on Minot's Ledge

Improved Revolver

Improvement for Arming Steamships

Improvements in Knitting Machines

Railings for Trap Doors

The Atmospheric Lamp!—Another New Light from Paine's Laboratory

Anhydrous Steam—Stame

Cannel Coal of Virginia

Electrotyping—Our New Heading

Banvard, the American Artist

Light Locomotives

Paving Streets by Torch Light

Thayer's Bridge

Practical Remarks on Illuminating Gas

List of Patent Claims

Mexican Cave

Rapidity of the Nervous Current

Patent Claims

New Edition of the Patent Laws

Adulterations in Food



Geological Explorations in North Carolina

Cultivation of Cinnamon


  • From the Editor

    To Correspondents

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May 10, 1851

20% Sitewide for President's Day