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Features

Canals as Rate Regulators

Pushing a Good Principle too Far

Fuel and Water Consumption on the Lusitania

Poisonous Eggs

What the Glidden Tour Proved

The Color of Water

Electric Heating Fabrics

By Alfred Gradenwitz

A New Sensitive Micro-Electroscope

By A. Frederick Collins

Novel Commercial Vehicles in the Recent French Test

How Eclipses Occur

By Frederic R. Honey

The Magic Sphere

The Museum of Patent Office Models

By Edward W. Byrn

The Modern Taxidermist and His Art

By B. S. Bowdish

Business and Personal Wants

Read This Column Carefully.--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information. In every case it is necessary to give toe number of the inquiry

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August 11, 1906

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