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The Mystery of the “Maine”, A Record Aeroplane Tour, and more

Hospital Cars of the Swiss Federal Railways

Carrying the Sick by Rail

By Alfred Gradenwitz

The Largest Movable Wicket Dam

Providing a Nine-foot Boating Stage of Water In the Ohio River

The Isolation of an Ion

Measuring the Smallest Thing in the World

By William J. Humphreys

Curiosities of Science and Invention- September 2, 1911

Abstracts from Current Periodicals- September 2, 1911

Phases of Science as Other Editors See Them

The Mystery of the “Maine”

Searching for the cause of the Explosion

By Ludw Diller

The Inventor's Department- September 2, 1911

Simple Patent Law : Patent Office News : Inventions New and Interesting


  • Recommended

    New Books, Etc.- September 2, 1911

  • Departments

    The Heavens in September 1911

  • Recently Patented Inventions- September 2, 1911

  • Notes and Queries- September 2, 1911

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