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Features

Portable Gas Generator, Bleaching Shellac, and more

Tornadoes and Water Spouts

Lemman's Anti-Friction Ball Gate Hinge

Massey's Double Column High Pressure and Low Water Alarm for Steam Boilers

New Test for Kerosene Oils

Plucky Susan, or Luck at Last--A Leaf from the Life of a Western Inventor

An Incident in the Life of Baron Liebig

By Charles A. Joy

Terrible Gun Cotton Explosion at Stowmarket, England

The Surf

By Charles Morris

Japan a Field for Inventions and Machinery

The Origin of Life

Right of Property in Inventions an Abstract Right

Spirits at a Discount

Wagner's Report on Techology

Psychic Force

The Late Professor Payen

Interesting Extension Cases

American Institute Fair

Answers to Correspondents- September 9, 1871

Queries- September 9, 1871

Recent American and Foreign Patents- September 9, 1871

Official List of Patents- September 9, 1871

Departments

  • Letters

    Correspondence- September 9, 1871

  • Departments

    Business and Personal- September 9, 1871

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September 09, 1871

Confronting Common Wisdom