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High Speed Through the Ice Fields, Battle Efficiency and Navy Appropriations and more

A New Type of Powerful Mortar

The Krupp Eleven-inch Howitzer and Portable Carriage By the English Correspondent of the Scientific American

The Largest Ship Yet Constructed

The Launch of the 65,000 Ton Liner "Imperator"

A New Use for Potatoes

Raising Potatoes in Germany for Industrial Purposes

By H. C. Price

The Failures of the "Aviettes"

Impossible Performances for an Impossible Prize

Preserving and Mounting Plant Specimens

How Pressure and Heat Can be Effectively Used

By Clara Reese

The Laboratory

Some Suggestions for Home Experiment

By Philip Edelman

Some Experiments with Blue Glass

By Gustave Michaud

V.--Shall My Boy Become a Chemical Engineer?

By M. C. Whitaker

The Annual Convention of the Master Car Builders Association

By Reginald Gordon

Superheated Steam in Locomotive Service, The Current Supplement


  • Letters

    Correspondence - July 6, 1912

  • Recommended

    New Books, Etc. - July 6, 1912

  • Departments

    Inventions New and Interesting - July 6, 1912

  • Recently Patented Inventions - July 6, 1912

  • Notes and Queries - July 6, 1912

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