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Alcohol for Operating Engines

Official Tests of Internal Combustion Engines on Alcohol Fuel

Shooting Oil Wells

The Development of Armored War Vessels.—XII

Armor Plating the United States

By J. H. Morrison

Dust Prevention in the Grinding Trades

Some Improved Methods

By Samuel R. Bennett

The Forging of Alloy Steels

The Metallurgy of the Newer Alloys

By E. F. Lake

Timber and its Protection from Marine Enemies

The French Captive War Balloon

Its use at Casablanca

The Injurious Effects of Light upon the Eye

By A. Birch-Hirschfeld

Freezing of Wells

How Fresh-Water Fish Care for Eggs

An Interesting Biological Study

By Theodore Gill

The Mechanism of the Monsoon

The Work of a mighty wind

By George Birdwood

The Bororó Indians of Matto Grosso

A Strange Aboriginal Tribe of Brazil

By W. A. Cook

Engineering Notes

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November 16, 1907

Think Outside the Gift Box