Volume 125, Issue 2
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Features
Electricity, Science, Aeronautics
A Giant Junk Yard
A Plant that Handles Anything from Discarded Battleships and Abandoned Railroads to Old Tin Cans
Making Satisfactory Glass from American Clays
A Radio Link in Our Telephone System
Hydraulic Power Under a Mile-High Head
Some Interesting Details of a Remarkable Pelton-Wheel Installation in Switzerland
Science Coming into its Own
The National Research Council and Other Research Organizations and Some of Their Achievements
A Chat with Madame Curie
What the Discoverer of Radium Thinks of Us and What We Think of Her
Weapons at Sea
The Place of Aircraft and the Battleship
Lightning
A Brief Statement of Its Nature, with Some Figures and Some Photographs