Feature

Books of the Week

Airliners with Turbo-Prop Being Built in England

Wakeless Torpedo Finally Patented

Probe Upper Atmosphere

TV for Half of Population

Diet Control of Polio Ruled out in Mouse Study

Two-Ship Scientific Fleet Explores Vast Pacific Area

New Machines and Gadgets

Front Matter

Heal Cut Spinal Cord

Ape-Gibbon “Missing Link”

Faint Comet Discovered; Visible in U.