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Liquid Air

By W. Hampson

The Electric Light Bath

By J. H. Kellogg

The French at Muscat

A Few Spiders and their Spinning Work

Capturing Devil Fish

Galanthus “Cassalia”

The Metropolitan underground Railway of Paris

The Great Canal Lock at Henrichenburg

Trade Suggestions from United States Consuls

Selected Formulæ

Miscellaneous Notes

Engineering Notes

Mechanical Influence in Architecture

Motor Carriages and Street Paving

By Thomas Conyngton

Radial Drilling Machine

A Tricycle Carriage for the Ameer of Afghanistan

The Progress of Aluminum

A Visit to the Quarries at Bedford, N. Y.

By Alice Dinsmore



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