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The Cape Cod Canal in Service, Navy Personnel Legislation, and more

The Sperry Gyroscopic Stabilizer

How It IS Constructed, How It Operates, and How It Demonstrated Its Capabilities During an Interesting Test in France

By John Jay Ide

Recent Progress in Solar Research, Forty Tons at a Single Scoop, and more

By Walter M. Mitchell

Graphic Prediction of Solar Eclipses

By Samuel W. Balch

The "America's" Trip Postponed, Horace C. Hovey, and more

The Test With Three Motors by Our Staff Correspondent at Hammondsport

How Yachts are Measured

Determining the Rating of a Racing Yacht for Classification and Time Allowance

By Herbert T. Wade

How I Came to Invent the Autographic Kodak

By Henry J. Gaisman

A Fortune for a Simple Invention

The $300,000 Attachment Which Enables a Kodak User to Write a Record on an Exposed Film. The Inventor's Account of His Device

A Huge Tesla Apparatus

A Coil With a Seven-foot Spark Gap

By Francois Magri S. J.

The Psychology of Catching in Baseball, A Wheelless Tractor, and more

By Arthur Macdonald

New Facts About Parasites


  • Letters

    Correspondence- August 8, 1914

  • Departments

    Recently Patented Inventions- August 8, 1914

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