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A Year's Supply of Raw Material for the Melting Pot, Wartime Bureaus and the Taxpayer and more

By Ralph Howard

Wicker-Weaving by Machine

How a Manual Art of Five Thousand Years' Standing Has Succumbed to Mechanical Methods

By George W. Rowell

Photo Enlargements by Expansion of Negative Emulsion, The Mathematical Motor Truck

By A. H. Beardsley

Electric Locomotives that are Still Larger and More Powerful, Starting from Cold on Alcohol

By William H. Easton

The Romance of Invention--IX

Pupin, Exponent of Pure Science

By C. H. Claudy

Commercializing the Coyote

How a Beast That Was Not Worth Powder to Shoot Him Has Become a Valuable Source of Revenue

By John L. Von Blon

Wreck-Proof Safe for Ocean-Going Mail

By James Anderson

How the Chinese Make their Beautiful Enamel-Work

By Sidney J. Hall

Putting Infra-Red Rays to Work

How the French Army and Navy Make Use of Heat Rays for Invisible Signalling

By George Gaulois

What About the Old-Fashioned Winter?

By J. Malcolm Bird

Vermont Talc


  • Departments

    Correspondence - March 6, 1920

  • The Heavens in March, 1920

  • Inventions New and Interesting - March 6, 1920

  • New Books, Etc. - March 6, 1920

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