Feature

The Gyroscopic Compass: “A Classic Invention”

Cosmic Rays Bombard Earth with 40,000 Million Volts

New Ventilation Standards Would Save Fuel

Front Matter

Portable Bed-Sitting Room Made for Egyptian Queen

Find Fever Treatment Relieves Stubborn Asthma

In Science Fields

Year May Bring Record for Comet Discoveries

Largest Non-Rigid Airship Being Built at Akron

New Nebular Theory Explaining Origin of Planets Proposed

Chlorine Tied to Natural Gas to Give Cheaper Chemicals

Graves Suggest Origin of Plague Burial Custom