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The Harbor of Constantza

By Alfred Gradenwitz

Copper and Susitna Regions

The Yukon Basin

Steam Turbines.—II

Their Development During the Last Twenty-Five Years

By Gerald Stoney

A New Departure in Two-Stroke Engines

One Cylinder Equivalent to Four

Electric Lifts on Shipboard

Seward Peninsula

The Quest of the Undiscovered South Pole

The Departure of the “Terra Nova” from London

Artificial Rubber

Light and Electromagnetism

Electric Waves and the Electromagnetic Theory of Light

The Art of Discovery

Making Discoveries by Rule

By Wilhelm Ostwald

An Anchor for Airships

An Umbrella-Like Folding Anchor

Preserving Fish in Paper

The Moon in Ultra-Violet Light

A Peculiar Deposit Discovered on the Lunar Surface

By R. W. Wood

What we know about the Earth

Many Puzzling Questions Answered by Science

By E. Weichert

Electrical Notes

Engineering Notes

Science Notes


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