Feature

Urges Scarlet Fever Control by Immunizing

Threatened

More Forest Fires but Smaller Area Was Burned

Magnetic Alloy Promises Better Radio Loudspeakers

Better Brakes Needed for Modern Motor Cars

New Way to Measure Extent of Mottled Enamel

Super-Hard Glass Made in Sun Furnace

Electric Lamp Lighted without the Use of Wires

Psychiatrists of 30 Nations Issue Warning against War

Front Matter

[Photograph]: Streamlined Train

New Books on Science