The Electrical Industry in America
A Review and a Forecast
Volume 86, Issue 2230supp
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Features
Lead Azide—A Powerful Explosive
New Composition Opaque to X-Rays
War Service Schools at Educational Institutions
South American Frogs
Chemical and Mechanical-Technical Examination of Rubber
A Steel Ship Built without Rivets
Sources of Platinum
Thermostats
Recent Observations on the Solar Coronas
Making and Destroying Paper Money
How the Bureau of Engraving and Printing and the Redemption Division Work
A Serious Wheat Disease Discovered in the East
Liquid Ostrich Eggs
War Coins, of the Central Powers
Methods for the Production of Pure Cocoanut Oil
Liquid Films
Note on the Testing of Magneto Magnets
The Commencement of the Astronomical Day
Use of Crude Napthalene as Fuel for Internal Combustion Engines
Brush-Making Fibers
The Southern Cross
A Review of Mycology—I
Questions of Biology that Still Demand Study