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A New Form of High Voltage Measuring Instrument

By J. B Whitehead

The Argument for Big Submarines, Fact Versus Fiction in Motion Pictures, and more

Natural Tree Surgery

How Unprofitable Parts are Eliminated in the Vegetable Kingdom

By David Brock

Battling With 300 Tons of Calcium Carbide

By Robt. G. Skerrett

First Electric Boat-Lift in Holland, High-Speed Steel Alloy by New Process, and more

By W. J. L Kiehl

Strategic Moves of the War, August 12th, 1916

Our Military Expert

German Official Story of the Skagerrak Sea Fight

The Forerunner of the All-Big-Gun Fighting Ship

The Dreadnought of the Civil War

By Robert G. Skerrett

The Occultation of Saturn on August 25th, The Current Supplement, and more

By William F. Rigge


  • Departments

    The Motor-driven Commercial Vehicle

  • Recently Patented Inventions- August 19, 1916

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