
Food for Fighters
New Dehydration Process Uses Steam Baths and Heat Treatments to Reduce Vegetable Weight and Bulk

Food for Fighters
New Dehydration Process Uses Steam Baths and Heat Treatments to Reduce Vegetable Weight and Bulk

Cement Aids Oil Production
Deep Oil Wells are Controlled and Conserved by Application of High-Speed Cementing Process

'Water, Water, Everywhere'
Multiple-Purpose Central Valley Project in California Involves Huge Dams, Five Canals

Escape from Surgery
New Telescopic Technique of Internal Examination is Saving Many from Operations

Better Health From the Sea
Vitamin A from Shark Livers, Varied Products from Weeds, Form Growing Industries

Mud, Concrete, ond Oil
Drilling Mud, Treated Like a Favorite Child, Makes Possible Wells Miles Deep

Seven Million Maps

Electrons Dance the Rhumba
Klystron, Generator of Powerful Ultra High-Frequency Radio Waves, Useful in Blind Landing System for Planes

River Rebuilt to Curb Floods
Engineers are Protecting Los Angeles and Surrounding Area, Flood Control and Water Conservation Dual Aim

Insanity at the Wheel
To What Extent do Psychopathic Cases Contribute to Motor-Vehicle Accidents? . . . Weeding Out the Unfit by Specialized Analysis of Attitudes

They Never Say 'No'
"Prop Men" Furnish the Thousands of Odd Items That Make Motion Pictures More Realistic

Flexible Power in the Woods

A Billion Gallons a Day

More Game
Game Birds Reared Under Artificial Conditions Can Survive in the Wild A Foreigner Holds Promise Sanctuaries Future Shooting

Minute Men of the Fire Line

Rock-Fill Dam for Flood Control
Largest of its Type for the Purpose, Built in Six Zones, Compacted With Water, Huge Trucks Used, Gasoline-Operated Tampers

Movie Cartoons in Color
Enhance the Action, Simple, Solid Colors, Must Harmonize, Not Clash, Exposure Becomes a Problem, Constant Research a Necessity

New Aids for Criminology
Finger Prints Raised With Iodine, Spectrographic Analysis of Materials, Tiny Traces Yield Evidence, Contribute to Conviction

Coast Defense from the Air
Night Bombing . . . Deceiving Anti-Aircraft Gunners . . . Concrete Practice Bombs . . . Radio Bombing

High Voltage Research for Commercial Use

Colorado River's Newest Dam
Will Divert Water for California, Gates to Control Severest Floods, Concrete Arch Type

Steel Bridge Cables Spun Like Threads

Eyes of the Fleet

Ancient Battles in the Movies
Catapults . . . Battering Rams . . . "Tanks" . . . Armor . . . Swords . . . Shields . . . Historical Accuracy Assured By Research . . . Tricks Used