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Features

Extensions of Patents

Our Fur Seals

The Progress of Astronomy in 1897

Renanthera Imschootiana

Trees and Change of Temperature

Suggestions Concerning the Manufacture of Cold Cream

Cure of the Deaf and of Deaf Mutes

A Case of Jealousy

By William O*amp*apos;Neill

On the Absorption of Hydrogen by Palladium at High Temperatures and Pressures

By James Dewar

Appropriation of Free Atmospheric Nitrogen

Visits to Scientific Institutions in Europe

Hayti

Miscellaneous Notes

Selected Formulæ

Engineering Notes

Hints on the Brush Development of Platinum Prints

By T. Perkins

Bromide Printing

By R. T. Collins

The Yarrow-Schlick-Tweedy System of Balancing Engines

Obstacles to Commerce

Baron Nathaniel v. Rothschild's Steam Yacht “Veglia”

The Size and Water Marks on Paper

Paints and their Vagaries

A New Basis for Photo-Mechanical Processes

By R. Ed. Liesegang

Electrical Industry in France during 1897

By J. Blondin

Life and Candle-Power of Incandescent Lamps

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    February 19, 1898

    Beyond XX and XY

    Biology. Identity. Equality.