Feature

New Machines and Gadgets

Front Matter

Cigarette Paper Tar

Man’s Age Measured by New Method

Discover Nature’s Steps for Synthesizing Rubber

Medical Nobelists Named

Radar Height-Finder Comes in Three Versions

Printed Batteries Power Printed Radio Circuits

Athlete’s Foot Basin Bad

U. S.-Europe Telephone

[Photograph]: Solar Battery

Underground Fires Raise Oil Well Production