Riddles of Science—New Elements in Chemistry
By the English Correspondent of the Scientific American
Volume 71, Issue 1828supp
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Features
Real Wild Horses
The Number of Stars in the Universe
How Celestial Bodies are Counted
New Discoveries at Knossos
The RemarKable Revelations of Dr. Evans
Automatic Stabilizing System of the Wright Brothers
An Interesting Control System Devised by the American Inventors
Disposition of Garbage in Various Cities
The Installations of Some European Communities
A Four-Carbon Arc Lamp for Triphase Circuits
The Paris Automobile Show
The First Exhibition Held by the Manufacturers Themselves
The Development of Submarine Boats
From Bushnell to Holland and Lake
Jarman's System of Electric Traction by Storage Batteries
A Pioneer Electric Tramcar
Forms for Concrete
Schemes for Saving Time, Labor, and Lumber
Celebrated Echoes
Balloon Signals
An Important Aeronautic Consideration
Index of Inventions
For which Letters Patent of the United States were Issued for the Week Ending January 3, 1911,