Scientific American Magazine Vol 124 Issue 2

Scientific American Magazine

Volume 124, Issue 2

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Features

The Solar System in Miniature

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

Victor W. Pag

The Efficient Tire Pump

Ralph Howard

Aircraft for Pleasure

Bertram W. Williams

Fifty Motor Truck Opinions

What the Leading Automotive Authorities Have to Say About Highway Transportation

Austin C. Lescarboura

X-Ray Tubes by the Hundreds

How the Trained Mechanic and the Skilled Glassblower Have Been Replaced by Automatic Machinery

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

Victor W. Pag

Something for Nothing

A Combination of Engineering, Water and Land That Makes Wealth

C. H. Claudy

Leather Waste for Heels in Germany

Departments

Correspondence

Inventions New and Interesting

Recently Patented Inventions