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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

The Eucalypts

Cold Storage in Horticulture

Rain as a Cleansing Agent

A Concrete Chimney

By Oscar Greenwald


By William Metcalf

Electrolytic Synthesis of Sugars

Sealing Wax

The Dettmar Electric Speed Indicator

The Utah “Hot-Pots”

Radio-Active Gas from Bath Mineral Waters

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


Trade Notes and Recipes


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