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Features

The Future of Science

What New Discoveries are Possible and Which will be Most Desirable

Electrification of the Elkhorn Grade

A Notable Power Equipment on the Norfolk&Western Railway

Problems of Geographic Influence

The Time System of the United States

Why it Exists and Some of its Vagaries and Defects

By Charles T. Higginbotham

Illumination of the Panama-Pacific Exposition

Wonderful Effects Produced by Modern Apparatus and the Engineer's Art

By W. D*amp*apos; A. Ryan

Strength of Wireless Signals

Electrometallurgy—I

Modern Methods for Producing and Refining Various Metals

By Joseph W. Richards

Cobalt Steel

A New Material for Accelerating Machine Tool Speeds and Output

Measurement of Short Intervals of Time

Gyroscopic Phenomena

A Popular Presentation of a Perplexing Phenomenon

By Bert L. Newkirk

Color Photography

Tides in the Earth's Crust

And the Elasticity of the Globe

By Alphonse Berget

Camp Engineering—Water Purification

Electrification of Water by Splashing and Spraying

New Books, Etc

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June 12, 1915

Think Outside the Gift Box