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Features

The Flying Machine and its slow Development

The Mechanical Conveying of Coal and Coke—I

Specially Prepared for the Scientific American Supplement by Emile Guarini

Americanizing Scotland's Industries

Cold Storage in Horticulture

The Eucalypts

A Concrete Chimney

By Oscar Greenwald

Springs

By William Metcalf

Rain as a Cleansing Agent

Electrolytic Synthesis of Sugars

Sealing Wax

The Dettmar Electric Speed Indicator

Radio-Active Gas from Bath Mineral Waters

The Utah “Hot-Pots”

On Ether and Gravitational Matter through Infinite Space

Note on The Possible Density of the Luminiferous Medium and on the Mechanical Value of a Cubic Milejt of Sunllght. §

By Lord Kelvin

A Peculiar Fungus Growth

Tattooing Among Savages

By Randolph I. Geare

Electrical Notes

Radium in Therapeutics

Engineering Notes

Trade Suggestions from United States Consuls

Patents

Trade Notes and Recipes

Departments

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    September 12, 1903

    Think Outside the Gift Box