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A Novel German Electric Coal-Tipping Device

By Frank C. Perkins

New Incandescent Electric Lamps.—II

Chestnut Meal

Observations upon Bees

The Location and Erection of a 100-Mile Wireless Telegraph Station

By A. Frederick Collins

Some Considerations Affecting the Application of Waste Gases for Power Purposes

By F. E. Junge

Mushroom Culture in France

By Jacques Boyer

The Diseases of Bread

Solders

Hard Solders

Dissociation of Matter under the Influence of Light and Heat

A New Krieger Gasoline-Electric Omnibus for use in Paris

The Paris Correspondent of Scientific American

The Position of the Submarine

The De Pluvy Diving Apparatus

The Paris Correspondent of Scientific American

Origin, Occurrence, and Chemical Composition of Peat

By W. E. McCourt

Electrical Notes

Engineering Notes

Science Notes

Trade notes and Formulæ

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    February 02, 1907

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