Features
Electricity, Science, Aeronautics
A Giant Junk Yard
A Plant that Handles Anything from Discarded Battleships and Abandoned Railroads to Old Tin Cans
A Radio Link in Our Telephone System
Making Satisfactory Glass from American Clays
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
Counting Bacteria
Daylight Projection of Opaque Subjects
Departments
- Departments
The Service of the Chemist
Inventions New and Interesting
Recently Patented Inventions
New Books, Etc.