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Features

Shall we Retard, Divert, or Confine Our Flood Waters?, Personal Error and Efficiency Engineering and more

A Telephone Transmitter without a Mouthpiece

By H. R. Van Deventer

The Anesthetizing Machine of Prof. Dubois, A New Theory of Sleep

By Jacques Boyer

Seeing Under Water

How Things Look From a Fish's Point of View By the Berlin Correspondent of the SCIENTIFIC AMERICAN

"Moon-Farming", Gold-tin Cans

By Charles Fitzhugh Talman

Agriculture, Electricity and Irrigation

Intensive Farming Made Possible With the Electrically Driven Pump

By Putnam A. Bates

Franklin Institute Treasures

Discovery of Keeley's Motor, the First Yale Lock, Franklin's Static Machine and Other Interesting Models in the Underground Storage Rooms of the Old Building

By H. D. Jones

Improving a Harbor of Curaçao

One Effect of the Panama Canal's Completion

By Harry Chapin Plummer

How to Sell Inventions

By William Atherton Du Puy

Rehabilitating the Roman Campagna, The Alpenglow and more

Departments

  • Departments

    Inventions New and Interesting - May 24, 1913

  • Recently Patented Inventions - May 24, 1913

  • Notes and Queries - May 24, 1913

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May 24, 1913

Think Outside the Gift Box