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Prolonging the Naval Stores Industry

By Samuel J. Record

The Problem of Our Navy, Canal Tolls Sophistries and more

An Ingenious Instrument for Studying Vibrations

The Bourlet-De Guiche Vibrometer

By Jacques Boyer

The Problem of Our Navy

I.--How the Navy is Daily Employed

By Franklin D. Roosevelt

A Triumphant Struggle With a Beetle

How the Coconut Trees of Samoa Were Saved

By H. J. Moors

"White Art" and the Automobile Leap at the Hippodrome

Phosphoresence by Irradiation

How's the Weather Up There?

By C. L. Edholm

The Motor-driven Commercial Vehicle- February 28, 1914

Steel vs.Wood for Motor Truck Wheels

By Elmer J. Lamb

Minnesota Road Patrol System, Motor Truck Notes and Queries

The New Wright Aeroplane Control


  • Letters

    Correspondence- February 28, 1914

  • Departments

    The Heavens in March

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