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Features

The New Edison Storage Battery

The Krupp Works

The Bagdad Railway

Good Roads Train, Illinois Central Railroad

A Railroad through Great Salt Lake

By Kenneth C. Kerr

What is a Wave?

Agar's Indicator Reducing Gear

The Montmartre Inclined Railway

Very Simple Machine for Raising Water from a Well or Reservoir to a Considerable Height

Practical Altruism in the Shop

Preventive Medicine

By Erastus Wilson

The Bacteria Beds of Modern Sanitation

The Tehuantepec Railway and its Commercial Significance

The Gods of the Filipinos

By R. I. Geare

Agriculture in Hawaii

The Distribution and Conversion of Received Currents

By Henry Gordon Stott

Trade Suggestions from United States Consuls

The Eye in the Recently Discovered Cave Salamander of Texas

patents!

Aquatic Beetles

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