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Keeping the Health of a City

The Double-Deck Car for Rapid Transit

Certain Curious Effects of the Violet Rays

By James Weir

Fruit and Nuts as Food

Science Notes - October 10, 1903

The Flight of Birds Mechanically Studied

By Emile Guarini

The Barney Brick Conveyer

The Petroleum Districts and Mud-Volcanoes of Java

By A Bosch

The Largest Hydraulic Canal Locks in the World

By A. W. Fullerton

An Ingenious Sculpturing Machine

By the London Correspondent of the Scientific American

A New Aeroplane

Indian Granaries

By Charles F. Holder

Business and Personal Wants


  • Departments

    Notes and Queries - October 10, 1903

  • Recently Patented Inventions - October 10, 1903

  • Index of Inventions - October 10, 1903

  • New Books, Etc. - October 10, 1903

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis