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Improved Stump-Puller

Wool and Flax Fabrics

A Destructive Invention

The War

Science in Modern Warfare

A British Captain on Iron Ships

Rodman's Experiments with Gunpowder

A Word about Ourselves

De Brame's Revolving Cannon

Safety Clothing—A Sad Death

Condition of the Patent Office

Recent American Inventions

Don't Bite the Cartridges

Case's Tube for Canteens

Double Twine Box

The Ketchum Reaper Patent Extension

What Guns are Best

Hon Joseph Holt on the Supreme Bench

A Word to the South

Combination Rifles

Foreign Trade

Telegraph Cables—Best Insulating Material—Next Ocean Telegraph

Southern Harbors of the United States

Southern Honesty

Patent Claims - July 27, 1861

Instructions about European Patents with a Synopsis of the Patent Laws of the Various Countries

To Our Readers

Blasting by Electricity

Prospectus the Scientific American


  • Letters

    Correspondence - July 27, 1861

  • Departments

    Notes and Queries - July 27, 1861

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July 27, 1861

Science for the Modern World