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Improvement in Machines for Making Paper

Dandelion Coffee

Custards without Eggs

Prussic Acid in Cholera

Railroads in the East Indies

Cure of Cancer

Death of John C. Calhoun

Gold Region of California

Hague Street Explosion

Tearing Down the Telegraph

Texas Claret

The Boy Mathematician

Webster's Trial

A Novel Incendiary Detected

Coal at the South

Correspondence of the Scientific American

Construction of Chimneys


Re-Action and Percussion Water Wheels

To Preserve Wood

Air Guns vs Rifles—or Wind vs Steam

Celestial Phenomenon

Improved Machine for Doubling and Twisting Silk


Re-Action Water Wheels

New French Printing Press

New Method of Propulsion

Improved Parlor Melodion—Figure 1

A New Explosive Powder

Astronomical Society

Bill for the Reform of the Patent Laws

Fusible Plug for Boilers

Newcastle Coal at Pottsville

Preventing Damp in Walls

Paving for Streets of Cities

The Streets of New York

Works on Science and Art

Natural History of Man

Bran for Manure


List of Patent Claims

Back Volumes Scientific American

To Inventors and Mechanics

To Imitate Mahogany

Tanning—Practical Remarks

Refining of Gold

History of Propellers and Steam Navigation


  • From the Editor

    To Correspondents

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April 06, 1850

20% Sitewide for President's Day