Scientific American Magazine Vol 122 Issue 14

Scientific American Magazine

Volume 122, Issue 14

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Features

Building Houses Out of the Waste of War, Rust-Proof Steel in Dentistry and more

Making Farms Out of Deserts

Why We Must Resort to Irrigation, and How We Are Doing So

Robert G. Skerrett

Gasoline from Natural Gas

Harry Botsford

Testing Paper by Tearing, The Electrified Blackboard for the Technical Classroom and more

S. R. Winters

Exploiting the Inventor--I

How the Unscrupulous Patent Attorney Works Upon the Purse of His Client

C. H. Claudy

The Electric Railroad Over the Rockies

Completion of an Additional Link in the St. Paul's Ambitious Project

B. S. Beach

The Wrecking Derrick and a Concrete Job, Our Instincts have Birthdays, and more

George F. Paul

Piercing New Zealand's Mountain Barrier

Oliver Johnson

From the Mountains of Montana to the Tetons of Wyoming

Strolls Through a Region Whose Scenic Beauties Are Menaced by the Mailed Fist of Commercialism

LeRoy Jeffers

From Boneyard to Shipyard

The How and Why of California's New Ship-Building Center at Oakland

H. A. Crafts

Making Wax Dummies for Fashion Displays, Some Novel Uses for the Tattooing Needle

A Botanical Romance

Departments

Correspondence - April 3, 1920

Inventions New and Interesting - April 3, 1920

Recently Patented Inventions - April 3, 1920

New Books, Etc. - April 3, 1920