Feature

In Science Fields

Plowing Goes Underground

War on Venereal Ills

German and Other Enemy Books to Be Republished

Sanitary Privies May Help Solve Polio Problem

Plastic Slide Fastener Improved; Uses No Metal

First Glances at New Books

Clinical Congress Latest Convention War Casualty

Increasing Accidents Due to Inexperienced Workers

New Machines and Gadgets

Back Matter

Source of Solvent May Vary Harmful Effects