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The Solar System in Miniature

By M. Tevis

World Hunger for Disarmament, A Neglected Transportation Facility and more

Doing Away with the Loafing Charge

Loading and Unloading Apparatus that Helps to Keep the Truck Always Productively Engaged

By Victor W. Pag

Aircraft for Pleasure

By Bertram W. Williams

The Efficient Tire Pump

By Ralph Howard

Fifty Motor Truck Opinions

What the Leading Automotive Authorities Have to Say About Highway Transportation

By Austin C. Lescarboura

X-Ray Tubes by the Hundreds

How the Trained Mechanic and the Skilled Glassblower Have Been Replaced by Automatic Machinery

By George Gaulois

The Trend of Motor Truck Design for 1921

A Brief Survey of the Features Displayed by Six Hundred and Eighty-two American Models

By Victor W. Pag

Something for Nothing

A Combination of Engineering, Water and Land That Makes Wealth

By C. H. Claudy

Leather Waste for Heels in Germany


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  • Inventions New and Interesting

  • Recently Patented Inventions

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