Feature

Some Headache Powders Cause Bromide Poisoning

Fluorescence Shows Percentage of Molybdenum

First Glances at New Books

May Be Cause of Cancer

Front Matter

Widow of Dr. Ritter Christens Liberty Ship

Brain-Cutting Operation

Huge U. S. Diamond

In Science Fields

High-Silicon Cast Iron Thermal Expansion Tested

Nature Ramblings: Flowers for the Bride

New Machines and Gadgets