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Features

The Destruction of the Exhibition Buildings at Como

The Relations of Physics and Astronomy to the Development of the Mechanic Arts

By Cleveland Abbe

Lighthouse Illuminants

By Lawrence Irwell

Vaults Without Centerings

Rossell's Smoke Preventer

The Theory of the Wehnelt Interrupter

An Acetylene Lamp for Wagon-Poles

Trade Suggestions from United States Consuls

Selected Formulæ

Trade Notes and Receipts

Miscellaneous Notes

In Kaiser Wilhelmland

The Elephant of Catania

The Discovery of the Agora at Corinth

The Romans' Knowledge of the Chinese

South American Trade

The Lion and the Bull

Distilled Water as a Beverage

Tobacco Cultivation in Italy

Nepenthes Balfouriana X

Artificial Foods; why they Exist and what they Are

By J. Percy Remington

The Effect of Pressure in the Preservation of Milk

The Growth of a Mind

By James Weir

A New Water Color Medium or Vehicle

By Rufus F. Herrick

Some Drawing Office Methods

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    Bacterial Balancing Act

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