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A Lateen Ice Boat

Chief Joseph and the Nez Percé War

Camille Flammarion

A Study

Predetermining Sex

Silver Glaze and the Varying Coloration it Produces in Different Glasses

Photo-Ceramics in Three Colors: An Industrial Process

A Continuous Steam Engine Indicator

By Thomas Gray

Compound Portable Engine

Proposed Railroad in Abyssinia

A Baldwin Passenger Locomotive for the Chinese Imperial Railways

Commercial Value of Scale Insects

In the Italian Marble Mountains



By Henry Dietrich

Minor Minerals and Metals in 1897

Selected Formulæ

Miscellaneous Notes

Engineering Notes

How much Sleep do we Need ?

Trans-Mississippi and International Exposition at Omaha

Railroad Accident at Pèage, France

The Philosophy of Hyper-Space

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

Modern Alchemy

By W. E. Ord



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