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Features

Steam Plow, On Improved Appliances for the Production of Heavy Forgings

The Labor Movement in England

Chloralum--A New Antiseptic

By John Gamgee

A Dollar Steam Engine

Improved Elevator

Automatic Telegraphy

By George B. Prescott

The Sea Urchin

By J. R. Gordon

The Tellier Ice Machine

Chemistry at the Fair of the American Institute

A Second Roger Bacon, and a Century of Inventions (Almost)

Scientific Intelligence- November 5, 1870

The Wages of Labor

A Singular Monstrosity

The Value of the Honey Bee in Agriculture

Letters from the South- November 5, 1870

Answers to Correspondents- November 5, 1870

Recent American and Foreign Patents- November 5, 1870

Official List of Patents- November 5, 1870

Departments

  • Letters

    Correspondence- November 5, 1870

  • Recommended

    New Books and Publications- November 5, 1870

  • Departments

    Business and Personal- November 5, 1870

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Know Before You Vote

Know Before You Vote