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Chief Joseph and the Nez Percé War

Camille Flammarion

A Study

Predetermining Sex

Photo-Ceramics in Three Colors: An Industrial Process

Silver Glaze and the Varying Coloration it Produces in Different Glasses

A Continuous Steam Engine Indicator

By Thomas Gray

A Baldwin Passenger Locomotive for the Chinese Imperial Railways

Proposed Railroad in Abyssinia

Compound Portable Engine

Commercial Value of Scale Insects

In the Italian Marble Mountains



By Henry Dietrich

Minor Minerals and Metals in 1897

Engineering Notes

Selected Formulæ

Miscellaneous Notes

How much Sleep do we Need ?

Trans-Mississippi and International Exposition at Omaha

Railroad Accident at Pèage, France

The Philosophy of Hyper-Space

Modern Alchemy

By W. E. Ord

On the Liquefaction of Air and the Detection of Impurities (Separation of Helium from the Gas of the King's Well, Bath)

By James Dewar



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    February 12, 1898

    The Antidote to Anti-Intellectualism