Volume 132, Issue 3
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Features
The Auto's Toll of Lives
How Can We Revise Our Traffic Laws to Make the Highways Safer?
"The Best Observed Eclipse in History"
A Preliminary Report of What Was Learned on January Twenty-fourth, Including the Results of the Scientific American's Observing Party
Our Artificial Gold Investigation
Photographs of Our Famous Experiments on Cracking the Atom
New Knowledge of Old Egypt
American Expeditions Are Adding to Our Information About Centuries of the Past Photographs by courtesy of the Metropolitan Museum of Art
The Hunting Spiders
Predaceous Habits of These Insects Make Them Useful to Man
The Age of Fire is Passing
Important New Developments of Electric Heating that Promise Much for Industry
Model Maker Suggests Way to Help New York Traffic
Widening the Limits of the Universe
Two Spiral Nebulae Discovered to Be One Million Light-Years Away
Future Leviathans of the Skies
The Last of Three Articles on Dirigible Airships
What Becomes of the Energy Contained in a Ton of Coal
Heavens Built of Concrete
Ingenious Optical Devices Installed in Concrete Dome Are Used to Show the Motions of the Stars
Our Radio Page
Listening-In on the Latest Progress of the Broadcasting Art
Streamline Bodies Save Power
Steel to Replace Stone
High Bridge with Its Historical Background and Architectural Beauty to Be Retained
Which Radio Set to Buy
The Third Month of Our New Service to Radio Purchasers
A Cross-Word Puzzle
Test Your Knowledge of Scientific Terms. Earn a Credit Toward a New Subscription