Feature

Early Steps in Photography: “A Classic of Science”

League of Nations Acting to Abolish March Easters

Woman’s Face More “Toothy” than Man’s

Fierce Caterpillar Monkey-Faced in Sleep

Chinese Children Take Tests in New Peiping Laboratory

Easter Lily Unfolds Tale to X-Ray’s Piercing Eye

Cheap Processes Applicable Now to High-Grade Printing

Blow Bubbles of Rubber to Test Elastic Strength

Front Matter

Invention Hastens Coming of Television in Movie Theatre

Child Deaths Lower in Spite of Depression

[Photograph]: Where the Twain Have Met