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Relative Sea Strength of the United States, America's Need for an Aerotechnical Institute and more

The Junkers Oil Engine

A New Type of Motor on the Diesel Principle

By Joseph B. Baker

Instrumental Observation of the Sun's Heat, Night Letters in Italy and more

The Paris Correspondent of the Scientific American

The Celilo Canal

By W. H. Ballou

Burning Up Bad Roads to Make Good Ones, Salving the Steamer "Jose"

By C. H. Claudy

Curious Megalithic Monuments of France

By Jacques Boyer

Smoke, the Destroyer

By R. C. Benner

The de Lesseps "Wind Wagon", Black Lightning Flashes

By T. M. R. von Keler

The Trade-mark as a Business Asset, Trade-mark Protection.--VIII and more

By W. E. Woodward

Military Aviation Abroad

The Paris Correspondent of the Scientific American

Feeding the Body with Electricity


  • Letters

    Correspondance - August 31, 1912

  • Departments

    The Heavens in September 1912

  • Recently Patented Inventions - August 31, 1912

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