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Railroads in the East Indies

Dandelion Coffee

Prussic Acid in Cholera

Improvement in Machines for Making Paper

Custards without Eggs

Hague Street Explosion

Death of John C. Calhoun

Cure of Cancer

Coal at the South

Tearing Down the Telegraph

Gold Region of California

Correspondence of the Scientific American

Webster's Trial

The Boy Mathematician

A Novel Incendiary Detected

Texas Claret

Air Guns vs Rifles—or Wind vs Steam

Re-Action and Percussion Water Wheels

Construction of Chimneys

To Preserve Wood


Improved Parlor Melodion—Figure 1

A New Explosive Powder


New Method of Propulsion

Improved Machine for Doubling and Twisting Silk

Celestial Phenomenon

New French Printing Press

Astronomical Society

Re-Action Water Wheels

Natural History of Man

Bill for the Reform of the Patent Laws

Works on Science and Art

Paving for Streets of Cities

Newcastle Coal at Pottsville

Fusible Plug for Boilers

The Streets of New York

Preventing Damp in Walls

List of Patent Claims


Bran for Manure

Back Volumes Scientific American

To Inventors and Mechanics

To Imitate Mahogany

Tanning—Practical Remarks

History of Propellers and Steam Navigation

Refining of Gold


  • From the Editor

    To Correspondents

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April 06, 1850

Confronting Common Wisdom