Feature

New Device Saves Cotton, Cuts Carding Costs

Books of the Week

New Machines and Gadgets

Supersonic Capsule Designed for Jet Pilots

X-Rays Cause Sterility

New Scientific “Sniffer” Detects Fuel Tank Leaks

U. S.: Moscow Exhibit

Rays Photographed in Luminescent Chamber

New Machines and Gadgets

Study Young Delinquent

Query Newton’s Theory

In Science Fields