Feature

New Machines and Gadgets

Front Matter

Combatting Heart Disease

[Photograph]: Whiskers

New Versatile Plastic Made from Cheap Gas

Role in Public Affairs Urged upon Chemists

New Tungsten Process

For Cesarean Births

Hip Baths Improve Vision

Army Bread Can Be Made with Water from Ocean

Jan. 25 Eclipse of Sun Visible from Part of U. S.

Sulfa Drugs Save Sailors