Volume 108, Issue 14
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Features
Achievements of Military Aircraft
Lessons Taught by the European Maneuvers and by the Tripolitan and Balkan Campaigns
Harnessing the Public Water Power
Progress in the Development of Our Natural Resources
Suspension Insulators Suitable for 110,000-volt Transmission
Tests Showing the Weaknesses of Standard Types
The Destruction of the German Dirigible "L. Z. 15."
Fighting the Chestnut Bark Disease
The State of Pennsylvania's Work
The Recent Storms and Floods
A Remarkable Series of Cataclysms