Feature

Ultra-Short Radio Waves Used for Sterilization

Steel Mills Mining Own Slag for Scrap Metal

Postwar Furnace

Plenty of Gasoline

Lightweight Telephone Switching Unit Developed

Sky Road Signs

Fire-Retarding Paint Reduces Fire Hazards

Propellers Used as Brakes on Navy’s Largest Blimp

Temperature in Engines Measured by Magnet Ratio

Chemical Industry Medal Presented to Col. Dewey

Airborne Lifeboats

Sulfa for Gas Gangrene