The World's Most Powerful X-Ray Apparatus

America's Winged Weapons

World's Finest Warplanes, Built to High Standards and of Superior Material, What the Various Types are Designed to Accomplish

Crew of Ten Handles a London Barrage Balloon

The Chemical Giant

Corrosive Sulfuric Acid, Indispensable in Peace and War, Used in Most Industries, Annual Production Runs into Millions of Tons

Insect Quarantine

Pacific Plane Service Provides Passage for Insect Pests, Hawaiian Farms Threatened, Midway and Canton Islands Have Pest Control Stations

Sandia Man

Artifacts Found in Basal Layers of a Cave in New Mexico Give Evidence of Earliest Known Man in America, But Just Who Was That Man?

Is Atomic Energy Nearer?

Physicists Talk Down Some Fabulous Claims, But New Findings May Alter the Picture, Prediction Probably Unsafe, Immediate Development Unlikely

Bleak Black Ball of Rock

After Ten Years the Planet Pluto's Mass Has Been Determined, Denser, Darker, More Massive than Was Expected, Laborious Computations

Seeing With Electricity

New Electron Microscopes Now Being Developed Far.

Coal and Kilowatts, Carboloy Extrusion Process, and more

Making the Most of Your Vacation Shots, Prepared Solutions Vs Mixing Your Own, and more