Feature

Ionosphere Rays Possible as New Name for Cosmic Rays

Huge Tanks of Curious Alcohol Go Begging for Worthy Use

In Science Fields

Homicide Rate Almost Unchanged for 20 Years

Electrified Particles in Air May Explain “Curative Values”

First Glances at New Books

Eddington Reveals Details of His Theory of the Electron

Filtrable Germs Need Not Be Extremely Small

New Chapters in American History

Front Matter

First Welded Penstock Built in California

Most Observers Expected to Watch Meteor Shower