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Features

Crystals that Speak, The Scientist and his Definitions and more

By Harry A. Mount

Pooling Our Power

Economic Possibilities of the Super-Power Plan

By Robert G. Skerrett

Two Engines for One

By Herbert T. Walker

The Romance of Invention--XIII

General George O. Squier-- The Genius of Wired Wireless

By C. H. Claudy

The Question of Natural Gas

How Our Dwindling Natural Gas Resources Are Being Wasted By an Unconcerned Public

Challenger and Defenders of the America's Cup

Leading Characteristics of Shamrock IV, Resolute and Vanitie

By J. Bernard Walker

Putting Plants on Daylight Rations

How Production May Be Artificially Hastened by the Proper Control of Light Exposure

Where Chocolate Comes from

How the Cacao Bean is Grown and Made into Cocoa Powder and Chocolate

By W. A. Murrill

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    Correspondence - June 5, 1920

  • Inventions New and Interesting - June 5, 1920

  • New Books, Etc. - June 5, 1920

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June 1920

See the World from a Different Perspective

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