Source: Modern Mechanix
Issue: Jul, 1931
Previous Issue: Feb, 1931
Next Issue: Aug, 1931

Articles From This Issue

“Perpetual Motion” Machine Makes Novel Window Display (Jul, 1931)
Air-Inflated Gloves Make Boxing a “Gentleman’s Game” (Jul, 1931)
Balloons on Helmet Make Targets for Cavalry Combat (Jul, 1931)
Cards Now Played like Midget Golf (Jul, 1931)
Earn Good Wages in New Gold Rush (Jul, 1931)
Eye-Shade for Watching Planes (Jul, 1931)
Hail Your Fiends with Auto SPEAKER (Jul, 1931)
Hedge Cutter Operated by Crank (Jul, 1931)
Neon Beacon Has 120-Mile Range (Jul, 1931)
Novel “Driver-Seat Shop” for Motorists’ Convenience (Jul, 1931)
Radios Now Built in Grandfather’s Clock, Tuned by Remote Control (Jul, 1931)
Silent Telautographs Write Directions to Radio Artists (Jul, 1931)
The THREE DECK CITY is COMING (Jul, 1931)
Tiny Lamp Outshines Giant Tube (Jul, 1931)
121 Rotary Wheels Carved in Gold (Jul, 1931)
Auto Fitted With Floats to Navigate Both Land and Water (Jul, 1931)
Build This Monorail Bathing Chute for Thrills (Jul, 1931)
Corner Windows Feature of New Gotham Skyscraper (Jul, 1931)
Experimenter Flies With Bat Wings (Jul, 1931)
Fletner S-Rotor Used for Windmill (Jul, 1931)
Hand-Powered Motor Boat Gives Real Watersport Thrills (Jul, 1931)
How Circus Elephants are TRAINED (Jul, 1931)
New ‘Home on Highway’ Has Kitchen, Dinette, Sleeper (Jul, 1931)
Pigeons Now Take Aerial Photos (Jul, 1931)
Rockne Plane Crash Inspires Safety Inventions (Jul, 1931)
Television Shows Full Size Images (Jul, 1931)
There’s money in Simple Inventions (Jul, 1931)
Tricycle Vender Solves Girl’s Unemployment Problem (Jul, 1931)
Africa is 60 Miles from Hollywood (in the movies) (Jul, 1931)
Auto-Boat Speedy on Land or Sea (Jul, 1931)
Bureau-Shaped Building Houses Bureau of Information (Jul, 1931)
Diving Under Ice to Solve Polar Mysteries (Jul, 1931)
Exterminating Rats With Deadly Automobile Exhaust Gas (Jul, 1931)
Future Dirigible Without Hangar (Jul, 1931)
Handy Lighter Built in Cane (Jul, 1931)
Machine Reads Your Head Bumps (Jul, 1931)
New Egg Processing Machine (Jul, 1931)
Radiophone to Rid Siberia of Wolves (Jul, 1931)
Science Finds Amazing New Uses for Sound (Jul, 1931)
The House of a Thousand Servants (Jul, 1931)
Three Wheel Taxi Built Like Hansom Cab (Jul, 1931)

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