Among Our Contributors, November 1929
Oscar Parkes
Volume 141, Issue 5
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Features
Looking Ahead with the Editor, November 1929
When Reindeer Roamed the Pyrenees
Ford's Friend Edison
Mr. Ford Talks of Mr. Edison, of Industry, of Youth, and of the Inspiration of Edison's Achievements Which He Is Commemorating at Dearborn
Wall Street and the Research Laboratory
Industries Listed on "The Street" Today at High Figures Owe Much of Their Financial Success to Scientific Research
Safe, Fireproof, Steel Scaffolding
Synthetic Sweet Smells
How the Synthetic Chemist Converts Foul Smelling Substances Into Pleasant Perfumes to Disguise Products We All Know
Cleaning Railway Cars
Efficient Machinery Replaces Slow, Inefficient Hand Labor
Ice by Wire
The Tireless Electric Refrigerating Unit Is Displacing the Ice Man As Surely As Artificial Ice Displaced Nature's Product
The Great Flint Mines of Grime's Graves
How Ancient Man Sank Deep Pits in Solid Rock, in Search of Suitable Flint for His Implements
Japan's New Navy
Quietly, and Without Publicity, a Great Battle Fleet Is Being Constructed on the Opposite Shores of the Pacific
The Puzzles of the Comets--I
Why Comets Shine; Why the Heads Appear to Contain Different Substances. These and Other Puzzles Are Being Solved
Press a Button--There's Your Book
Mechanical Carrier Speeds Up Delivery of Volumes From Library Shelves to the Reader
American Passenger Air Transport--II
Safety, Night Flying, Selling Aerial Transportation, and Other Phases Are Here Dealt with in Detail
America's 'Cleanest' Industry
Fats and Oils Gathered From the Antipodes Are Converted Daily Into Hundreds of Carloads of Soap
Amateur Seismology
The Opening of a Campaign to Enlist the Interest of the Amateur Scientist in the Fascinating Study of Earthquakes
The Speed Record of the Universe
Light Holds the Universal Speed Record. There Is Good Evidence That a Higher Velocity Is Impossible
Weighing With Light
A Novel Instrument Which Weighs a Moving Sheet of Paper and Writes a Record of Its Observations
Sardine Packing--A Growing California Industry
Supplying the Reptile Leather Demand
Land and Water Lizards from India, Ringed Lizards from Java, Alligators, and Others Are on the "Wanted" List
Power From the Earth
The Steam Wells of Italy Tap a Large Source of the Earth's Inexhaustible Supply of Energy
Praying Trees of the Desert
The Friendly Joshua Tree Lends a Spirit of Hopefulness to the Weary Desert Traveler
Practical Astronomy for Amateurs
How the Amateur Astronomer Is Helping to Observe and Calculate the Moon's Motions
An Outlawed Industry 'Comes Back'
How a Great Brewing Establishment Was Crippled by the 18th Amendment and How It Emerged Triumphant