Scientific American Magazine Vol 123 Issue 15

Scientific American Magazine

Volume 123, Issue 15

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Features

The High-Lift Wing and Commercial Aviation, For an Independent Naval Air Service and more

A New Deal in Transportation

Relieving the Railroad of the Business Which It Is Least Able to Handle

Jesse G. Vincent

Applying Radium to Cure Man's Ills

H. A. Mount

Putting Paper on a Specification Basis

G. H. Dacy

What About Our Wheat Production?

A Concrete Suggestion as to How We May Produce More by Producing Less

H. A. Crafts

Why we Need a Separate Trade-Mark Bureau

Growth in Use and Popularity That Demand a Greater Degree of Specialized Federal Oversight

Chauncey P. Carter

Twentieth Century Telegraphy

The Big San Francisco Central Office, the Last Word in Equipment for Speed and Capacity

Charles W. Geiger

Taking on Oil a Mile at Sea

How Vessels Receive Fuel at Mexican Gulf Ports Without Approaching the Docks

James Anderson

Departments

Correspondence

The Heavens in October, 1920

Recently Patented Inventions