Feature

New Machines and Gadgets

How Globulin Is Made

More Summer Eggs

“Human Gophers” Boring in Mont Blanc

New First Aid for Drowning Victims

Campaign to Wipe out Rabies in Dogs

Bad Weather Landing

Gigantic Scales Weigh Cargo on Crane Hooks

New Rainmaking Methods

[Photograph]: Wrist Radio

Tung Nut Fat Used Tracing Fat Absorption

Safer Bail-out Aided by Ejector Cockpit