How Naval Battles are Fought
The Strategy and Tactics of the War at Sea
Volume 168, Issue 3
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Features
Industrial Air Control
Compact Survey of Air Conditioning Shows Its Importance on the War Production Front
Paper, Ship Cleaner, and more
For Many Wrapping Purposes, Is Stretchable
Highways to Strategic Materials
Completed Portions of Pan-American Highway Can Help the United Nations' War Effort
Water and You
In Many Ways that Are Commonly Overlooked, Water is Involved in our Physiologic Processes
Ultra-Sonic, Piston Study
Focused Ultra-Sound Waves From Curved Crystals
A Dream Almost Attained
A New Success Seems to Bring Astrophysics Still Nearer to the Rounded Solution of a Major Problem
Pseudo-Fossil Man
Not All Human Skulls that Look Primitive Are Those of Ancient Primitive Man, and Why
Simon Lake, Submarine Genius
The Early Struggles of the Man Who Laid the Foundation for the Science of Underwater Travel
Tent, Telephone Alarm, and more
With Floor For Maximum Protection
Signal Liquid, Power Plants, and more
Hardens to a Surface That Melts Sharply
Experts Abroad, Lumber, and more
Promote Co-Operation in United Nations' Aircraft Production
Most Powerful Dive-Bomber
New American Aircraft Excels in Every Respect Any Other Dive-Bomber Ever Built