Feature

Free Will Doctrine Advanced by Professor Max Planck

First Glances at New Books

Front Matter

Mining Drill Makes Five-Foot Hole 1125 Feet Straight Down

[Photographs]: Got a Fever?

Newsprint Mill Planned to Use Southern Pine

Deep Sea Thermometers Tested by Uncle Sam

New Radio Balloon Instrument Measures Thickness of Clouds

Find Why Many Stations Are Received on One Dial Setting

In Science Fields

Orion the Key

Whipple Comet Is Now Increasing in Brightness