Feature

Nature Ramblings: Lethal Weapon

First Flight of XB-36 Judged Excellent

Paderewski Hospital Moves Back to Poland

Books of the Week

Sulfa Drug Treatment for Hatchery Disease

New Machines and Gadgets

Front Matter

Exploring Upper Air

West Indies Quake=8:25

Shielded from Electricity

System Similar to Radar Not New to Bats

Food Plans for World