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What will the Raising of the Maine Disclose?, Revival of the Rotary Engine, The Government and the Inventor

Engineering, Electricity, Science- June 4, 1910

A Commercial Rotary Engine

Practical Solution of an Age-Long Problem

The Costliest Ear of Corn in the World

By Frank C. Perkins

A Giant Ruhmkorff Coil

By Jacques Boyer

Fire Fighting Without Fire Engines

By Herbert T. Wade

The Current Supplement- June 4, 1910

Astronomical Photography- June 4, 1910

By F. V. Collins

How to Escape from a Sunken Submarine

Methods Approved and Disapproved

Artificial Radium Baths and Drinking Water

By Alfred Gradenwitz

Alexander Graham Bell and the Telephone

The Story of a Great Invention

A Motion Apparatus for Amateurs

An Ingenious French Invention

An Ingenious Torsional Wave Detector

The Height of the Antarctic Continent

By Walter Langford

Curiosities of Science and Invention- June 4, 1910

Departments

  • Letters

    Correspondence- June 4, 1910

  • Recommended

    New Books, Etc.- June 4, 1910

  • Departments

    Notes and Queries- June 4, 1910

  • Recently Patented Inventions- June 4, 1910

  • Index of Inventions- June 4, 1910

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis