Feature

Novel Use of Paint in Industry’s Building

New Alloy Strong as Steel and Noiseless as Rubber

Heart Disease Reported from Lack of Vitamin B

U. S. Patent System Spurs Enterprise of the Nation

Quakes Betray Big Guns

First Glances at New Books

[Photograph]: Easter Sunday Disturbance

Inflamed Pancreas Likely for Habitual Drunkards

Front Matter

In Science Fields

Bad Hearing, Sinus Pain from Imperfect Bite

Human Embryo in Third Week Added to World’s Collection