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Features

War, Humanized and De-Humanized, The Renewing of Italy's Navy and more

Visible Speech

The Eye Seeing and the Rule Measuring the Difference Between Sounds

By A. L. Kroeber

The Naval Review at New York, 4,250-Pound Block of Coal for Fair

Connecting Idaho with the Sea

Completion of the Celilo Canal along the Columbia River

By Fred W. Vincent

Our Army Wireless Automobiles

Portable Radio Telegraph Apparatus of 200-Mile Sending Radius

By C. H. Claudy

The Energy of Projectiles

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    May 22, 1915Cover Image: Forward Deck of the Flagship "Wyoming," Showing the 12-Inch Guns

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