Feature

Vitamins for Workers

Waxing Glass Filaments Makes Firmer Thread

Postwar Transports

Iron Printing Plates May Replace Copper and Nickel

Shooting Electrons Aid Attack on Rust, Corrosion

New Machines and Gadgets

School of Alcohol Studies Opens at Yale University

Synthetic Lubricants Show What Makes Good Oil Good

Finishing Touches Put on New Type Convoy Balloons

First Glances at New Books

Front Matter

Rubber Output Speeded