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The Patent Bills, The Senate Investigation and more

Destroying 300 Millions in Paper Money

A Scientific Method of Burning Banknotes

By Jacques Boyer

A Flying Machine that Folds its Wings

Ingenious Method of Reducing the Spread of an Aeroplane

Design of Racing Aeroplanes

Drawings of Some Remarkably Fast Monoplanes, With Designs for an International Cup Defender

By Stanley Yale Beach

The Ingenuity of the Toy-maker

Pitting Brains Against Cost of Labor and Materials

Curiosities of Science and Invention - May 4, 1912

What Inventors are Doing - May 4, 1912

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

III.--Shall My Boy Become an Electrical Engineer?

By John Ritchie


  • Recommended

    New Books, Etc. - May 4, 1912

  • Departments

    Correspondence - May 4, 1912

  • The Heavens in May 1912

  • Recently Patented Inventions - May 4, 1912

  • Notes and Queries - May 4, 1912

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