Feature

Clean Coal by Airflow

High-Heat-Resisting Paint

Warn of Germ Warfare

[Photograph]: Light Tester

Books of the Week

Glow Plug Heating Makes Diesel Engine Starting Easy

Now No Kindling Required to Light Fire in Furnace

Submariners Eat Better

Wounded Show Mental Ills

Inhalation Treatment Aids

In Science Fields

Coating for Ceramals May Give Better Turbine Blades