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The Effects of Moonlight

Air and Moisture

Improved Dumping Wagon

Cisterns that will keep out Surface Water

Recent Patented Improvements

Atmospheric Railways


Yield of Maple Sugar

The American Horse

Petrifying Wells

Hoop Skirts

Morrill's Clothes Dryer

Art in Cast Iron—Washington

The Sunken Ships at Sevastopol

Improved Machine for Turning Hubs

A Preventive to Potato Rot

The Horse Taming Secret Again—Another Theory

New Side Screw Propeller

New Machinery for Paying Out the Atlantic Telegraph Cable—Who is the Inventor?

The Infected Ship

Where Musquitos Come From

Telling the Age of a Horse

Artificial Propagation of Fish

Can there be a Great Scarcity of Timber in the United States?

Newspaper Statistics

Roofing Cements


Spiritual Alchemy

Coral Reefs



  • From the Editor


  • Letters

    Correspondents - May 22, 1858

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”