Feature

Polio Epidemic Decided in Next Week or So

Naphtha Aviation Gas

Survey Science Manpower

Thumb-Suckers’ Hay Rake

Anti-Bacterial Cement Effective in 9-Year Test

One-Eyed Person Can Pilot

Metals Polished Electrically by Intermittent Currents

New Chemical Tested against TB in Warsaw

18,000,000 Civil Defense Pamphlets on First Aid

Whole Sky Brightened

Turbo-Compound Engines Power New Flying Boat

Improved Ceramics Are of Varying Hardnesses