Scientific American Magazine Vol 122 Issue 16

Scientific American Magazine

Volume 122, Issue 16

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Features

Why is Gasoline High?, Building for the Future and more

House Surgery in the Building Crisis

The Remodeling of Old and Obsolete Houses to Create Pleasing Modern Dwellings

C. L. Edholm

California's Power Famine

Charles W. Geiger

Is the Dam Safe?

S. R. Winters

The Romance of Invention--XI

Elmer Sperry--The Man Who Harnessed the Motion of the Earth

C. H. Claudy

At the Rock Bottom of Matter

A Popular Explanation of a Much Discussed Theory Based on New Discoveries

Irving Langmuir

Uncle Sam--Motion Picture Producer

How the Department of Agriculture Is Bringing Special Film Features to All Parts of the Country

George H. Dacy

Where Concrete Things are Cast

G. Orb

Carbon Electrodes in the Making

A. R. Surface

High Flying in the Laboratory

S. R. Winters

Among the Mountains of Western Canada

Famous Valleys and Peaks of the Canadian Rockies Described By a Mountaineer

LeRoy Jeffers

The Topical Lamp Post

Howard C. Kegley

National Life Insurance on the Endowment Plan

Universal Training—What It Is and Do We Want It?

Tompkins Mcllvaine

Tiny Creatures that Make Bad Water

Leon Augustus Hausman

Plant Growths that Shed Light

W. A. Murrill

Two Great Organs

Some Interesting Details of the Philadelphia and Denver Instruments

J. F. Springer

A Molding Machine Which Throws the Sand

Departments

Correspondence - April 20, 1920

The Motor-Driven Commercial