Volume 166, Issue 5
You are currently logged out. Please sign in to download the issue PDF.
Features
Dreadnoughts of the U. S. NAVY
A Two-Ocean Fleet is Our Nation's Ultimate Goal
We Need More Physicists
Military Activity and Industrial Requirements Have Created an Unprecedented Demand
Delayed Jump, Eyes
Of Strip to Magnet Demonstrates Atomic Change
Have you Heterophoria?
Eye Exercises Using New Light-Polarizing Vectographs Can Improve Depth Perception
Sulfanilamide, Antibodies, and more
Why the New Drug is "Unfair to Bacteria"
Astrono-Mexico
North American Astronomers Assist at Opening of Mexico's New National Observatory
Why are we Short of Aluminum?
Huge Quantities of Electricity are Needed to Reduce this Common Metal from its Ore
Insulation, Plywood, and more
Board Made of Glass Replaces Cork
Industrial Trends, May 1942
NUTS, BEANS, SEEDS . . . AND Oil
Patents and Free Enterprise
Anti-Trust Laws Can Control Abuse of Patents Without the Necessity of Destroying Patent Rights
Air-Conditioning Fish
Mechanical Means Used to Provide Oxygen, Keep Temperature Low When Transporting Hatchery Fish
Ozone, Gasoline, and more
Still Much to be Learned About its Effects
Blind Rivets, Tap Reconditioner, and more
Can Be Set From One Side Only
Jet Propulsion
Italian Experiments With an Airplane That Uses No Propeller for Flight at High Altitudes
Templates, Multiple Mower, and more
Rapid Process Used in Aviation Industry