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Features

A Unit System for the Packing and Handling of Artillery Ammunition

Front page article on a proposed method of transporting artillery shells.

A Volunteer System Spells Disaster, The General Public and the Food Problem, and more

The Ball-Bearing Tractor

Reducing Friction in the Endless Chain Tread

Strategic Moves of the War--April 12th, 1917

By Our Military Expert

Recent Chemical Developments

Starch as a Substitute for Glycerine and Cotton in Explosives

By Ellwood Hendrick

The Value of Agriculture in Time of War

By E. M. K. Geiling

American Hardware in Foreign Markets

By Edward Ewing Pratt

Process of Copper-Plating Propeller Blades, New Naval Anti-Aircraft Gun

American Sources of Nitrogen

The Economic Production in the United States of Combined Nitrogen for Military, Agricultural and Industrial Needs
["Military needs involve the consumption normally of a large amount of nitric acid, in the manufacture of the powder and explosives required by the Army and Navy"]

By Thomas H. Norton

Some Fast Submarine Chasers, Monitor "Tallahassee" in a Seaway, and more

What I Can do for My Country

II. The Electrical Engineer

Public Water Supplies in Michigan

Insect Depredations in Wood, What Shall We Do to Prevent Our Enormous Forest-Fire Losses

Melting Copper in Iron Ladles

The Importance of Trademarks in Our Latin-American Trade

By Don Decatur

Apparatus for Balancing High Speed Machinery

Departments

  • Departments

    The Motor-Driven Commercial Vehicle—April 21, 1917

  • Recently Patented Inventions- April 21, 1917

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April 21, 1917

Think Outside the Gift Box