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Features

Black Lead Mine

Liquid Glue

New Green Dye

Agriculture in California

Discoveries in Persia

Modern Cyclopean Wall

Railroad Brake

A Fish Nursery

English Manufactories

Safety Lamp

A New Kind of Telegraph Lines

Rain

An Immense Iron Structure

Railroad Inventions

For the Scientific American

Inventors—The Ray Premium—Conduct of the American Institute

Great Land Sale

The Same Subject

New Sewing Machine

Machine for Bending Carpet-Bag Frames, &C

Influence of Great Men

Models! Models! Models!

Coating Iron with Copper

False Philosophy

Properties of Iron

Cheap Fuel

Photographic Pictures

Well Sinking—Artesian Wells

Paper on Room Walls

Use of Colored Glasses in Fogs

Cotton Oil

Mechanics

Manufacturers and Inventors

Departments

  • From the Editor

    To Correspondents

  • Recommended

    A Chapter of Suggestions, &C

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”