Feature

Tungsten Alloy Aids Cancer Treatment by Radium Rays

Sending Facsimiles by Radio Possible Soon

Redfern Probably Not Alive

Blood Pressure Machines at Fairs Disapproved

Nature Ramblings: Farmers without Animals

First Glances at New Books

Front Matter

New Method Makes Aluminum Plating on Steel Possible

[Photograph]: World’s Most Costly Electric Fan

Find Bowl Used in American Ball Games 800 Years Ago

Sex Gland Cancer Produces Female Hormone in Male Body

Movie Compresses Millions of Years into Minutes