Volume 95, Issue 14
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Features
The Caliber of a Gun
Success of the Independent Railway Motor Car
Huge Proportions of the New Government Irrigation Dams
A New Problem and Its Solution
Action of Radium on Organisms
How to Study Industrial Chemistry
A New Wireless Telephone
Carbon Dioxide Pockets in France
A New 30,000-Horse-Power Plant at Niagara Falls
Archdeacon's Air-Propelled Motor Bicycle
By the Paris Correspondent of the Scientific American