Volume 141, Issue 4
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Features
Looking Ahead With the Editor, October 1929
November-- Industrial Number
From the Scrap-book of Science, October 1929
How the Autogiro Flies
A NonTechnical Explanation of the Operation and Performance of the Aircraft Dubbed the "Flying Windmill"
The New Queen of the Sea
Monkey - Shines
A Naturalist's Account of Everyday Monkey Life at Home in the Dense Hot South American Jungles
How Shall we Design our Airports?
"Landing Fields" No Longer Suffice; Complete Airports With Every Possible Facility Must Be Designed and Built
Razor Blade Science
Why It Takes Only Five Seconds to Cut Your Whiskers Off
That 'Fatal' Tailspin
Most People Have the Wrong Idea of the So-called Tailspin; It Is Not Necessarily Dangerous and Is Preventable
The "Lively" Ball
Tests Conducted by Scientific American to Determine Whether the Present Baseball Is Livelier Than the Old, and if So, Why
What is the Future of Aviation?
"Remarkable as Has Been the Growth of Flying, Still More Vital Developments Seem to Lie Just Ahead"
Meteors
Most of the Meteors One Sees Are No Larger Then a Pea. The Majority Come From Far Beyond the Solar System
German Dornier Plane Carries 100 Passengers: Has 12 Engines
Naval Reduction and Parity
The Bearing of Past Limitations Discussions Upon Our Present Stand, and a Discussion of the Naval "Yardstick" Proposal
A Large Meteor Falls
American Passenger Air Transport
The Passenger-carrying Airlines of the United States Have Shown Remarkable Growth in the Last Two Years