Feature

First Glances at New Books

Front Matter

Distant Nebula Discovered; Looks like Faint Star

X-Ray Tests of Fibers Show Key to Strength

Infra-Red Photoflash Bulb Takes Pictures in Darkness

Record-Breaking Case of Weight Reduction Reported

Change from Wave Lengths to Frequencies Proposed

Vitamin $text{B}_{1}$ Found Concentrated in Buds of Many Common Trees

[Photograph]: Streamlined Pipes

Big Jump in Sleeping Sickness Reported from the Dakotas

Two-Way Radio Sets Used to Tell Who Is “Killed”

Army Has Special Course in Tropical Medicine