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Features

The Minority Views on the Oldfield Bill, Sir William White and more

The Curtiss Military Biplane

Description of the New Curtiss Tractor Aeroplane for Army Use

By Stanley Yale Beach

The Growth of a Great Navy

How Germany Has Advanced to the Second Position

By Percival A. Hislam

"Uncle Sam's" Appraisers of Merchandise

How Imported Goods Are Examined by Experts to Determine the Duties They Should Pay

Power from Kerosene

A System Whereby Oil, Kerosene, and Distillates are Used in the Ordinary Type of Gas Engine

By L. W. Ellis and W. R. Dray

Military Automobile Gun, Recent Improvements in the Storage Battery and more

By the Paris Correspondent of the Scientific American

The Industrial Need of Technically Trained Men--I

Scientific Manufacturing and the Opportunities It Offers

By Waldemar Kaempffert

Bee Insurance in Switzerland

Departments

  • Departments

    Inventions New and Interesting - March 15, 1913

  • Recently Patented Inventions - March 15, 1913

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March 15, 1913