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Turtle Fishing in Madagascar

The Geysers of Yellowstone Park

By Day Allen Willey

Rhinoceros Adders in the Berlin Aquarium

Self-Registering Electric Wattmeters

Storage Battery Invention

Theory of the Coherer

Contemporary Electrical Science

Specimens of American-Indian Medical Practice

An Adverse View of the Metric System

Breathing Liquid Oxygen

The Manufacture of Oleomargarine

Water Tube Boilers.—II

The English Correspondent of the Scientific American

Painting Structural Iron

Utilization of Exhaust Steam

The Naval War Game.—III

An Indecisive Action in the Far East—capture of the “kaiserin augusta”

By Fred T. Jane

Trade Suggestions from United States Consuls


Selected Formulæ


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January 03, 1903

Confronting Common Wisdom