Feature

Industrial Research Cuts Costs to Consumer

Newest Vacuum Pumps Create Low Pressure

[Photograph]: At Dedication

Men Suffer for Beauty, Too; Permanent Scars Reported

New Year Will Bring Attack on Causes of Mental Ills

Engineers Coin New Term, Called See-Level

Paper Bags of Rock Dust Prevent Dust Explosions

Nature Ramblings: “Just Scenery”

Service Urged to Prevent Unnecessary Surgery

First Glances at New Books

Front Matter

“Plating” with Thin Films Makes Glass More Transparent