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Automobile Fire Engines

By Emile Guarini

Modern Methods of Operating Machine Tools Electrically

Contemporary Electrical Science



Our Flood Warning Service

By Charles Alma Byers

Capt. Scott in the Antractic

The Recent Volcanoes of Southwestern Idaho and Southeastern Oregon

By Israel C. Russell

A New Invention for Rendering Vessels Unsinkable

By Herbert C. Fyfe

Action of Anæsthetics on Plants

The Crystal Cave of South Dakota

By Edmund Otis Hovey

Electrical Notes

Engineering Notes

Trade Notes and Recipes



  • Trade Suggestions from United States Consuls

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April 16, 1904

Confronting Common Wisdom