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Features

Railway Accidents

The Corinthian Canal

An Abyssinian City

The “Discovery.”

Interesting Antarctic Experiences

Hertzian Wave Telegraphy

By Fleming

The Batault Electric Wattmeter for Simple Alternating and Polyphase Currents

Radium and its Recent Development

Some Popular Errors in regard to the Eyes and Ears

Public Service of Railways

The Atomic Theory and the Development of Modern Chemistry

Determination of Temperature in Borings

Some Details of the Paris-Madrid Racing Automobiles

Specially Prepared for the Scientific American Supplement by our Paris Correspondent

Discovery of a Roman Palace at Carthage

Investigations at Assos

An Account of Bronze Casting in Egypt, Europe and Japan

By Randolph I. Geare

Action of Light on Precious Stones

Opaline

Smokeless Powders: Their History and Present Classification

Mount Beacon Incline Railway

The Age of the World

Electrical Notes

Trade Notes and Recipes

Engineering Notes

Trade Suggestions from United States Consuls

Selected Formulæ

Departments

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July 25, 1903

Think Outside the Gift Box