Source: Popular Science
Issue: Jul, 1931
Previous Issue: Mar, 1931
Next Issue: Aug, 1931

Articles From This Issue

ALARM CLOCK COOKS HIS BREAKFAST (Jul, 1931)

Can Soft Drinks Poison You? (Jul, 1931)

Exposition for Inventors Attracts 3,000 Designs (Jul, 1931)

INSECTS THWARTED BY SCREENED CHAIR (Jul, 1931)

MOTOR BIKES SPEED HOME REPAIRS (Jul, 1931)

Plans Rocket Driven Bomb to Chase and Wreck Plane (Jul, 1931)

Train Robbers Routed by Science and Brawn (Jul, 1931)

World’s Machines in One Museum (Jul, 1931)

Anyone Can Fly a Blimp (Jul, 1931)

CAR SEAT FOLDS BACK TO MAKE LOUNGE (Jul, 1931)

FOUR-FOOT DIAL SHOWS PHONES MYSTERIES (Jul, 1931)

METEOR CUTS LIGHT WIRE (Jul, 1931)

MOVIES NOW MADE FROM “BLUEPRINTS” (Jul, 1931)

RUSSIAN FIRE CHIEF IS STRIKING FIGURE (Jul, 1931)

WE GOT OUR FACE FROM A FISH (Jul, 1931)

ZEBRAS USED TO HAUL ST. LOUIS MILK WAGON (Jul, 1931)

BIG FIGURE OF CHRIST GUIDES SAILORS (Jul, 1931)

ELEVEN BLIND MEN RIDE ONE BIG CYCLE (Jul, 1931)

Get in on Television (Jul, 1931)

Monster Bus Is Equipped to Serve As Traveling Movie Theater (Jul, 1931)

PEDAL LETS YOU STEER CAR BY FOOT (Jul, 1931)

SCIENTIFIC TOY AIDS ADVERTISING STUNT (Jul, 1931)

We Now Grow Our Own Rubber (Jul, 1931)

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