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Features

American Inventions in the Egyptian War

Duty of the Locomotive Engineer

An Electrical Yarn

Car Couplings in England.--A Chance for American Inventors

Idlers as Inventors

New Railroad Signaling Apparatus

Vernier and Micrometer Calipers

Improved Fence

The History of a Great Invention.--The Giffard Injector

American Industries--No. 84

Experiment with an Air Locomotive on the Elevated Railroad

The Photographing of Motion

The White-Footed Mouse, or Deer Mouse

Decisions Relating to Patents, Trade Marks, Etc.

Electrical Inventions

Mechanical Inventions

Engineering Inventions

Miscellaneous Inventions

Agricultural Inventions

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Index of Inventions

  • Business and Personal

  • Notes and Queries

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine