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Radio Pram
Stroller equipped with a radio, including antenna and loudspeaker, to keep the baby quiet. -
Hair Dryer
the hairdryer was invented by a German who had inserted a hose into a vacuum cleaner. -
Q- Tips
Leo Gerstenzang took his wifes invention and put it on the market which had originally been caled baby gays. -
Traffic Light
The traffic light was invented by police officer William Potts. He used red, amber and green lights and $37 worth of wire to make his traffic light -
Automobile with Combustion Engine
.The Henry Ford automobile with the combustion engine was the most popular invention in the 1920s -
Band- aid
Earle Dickson invented the band-aid because his wife Josephine was cutting herself every day. -
1920 Tommy Gun
By 1925 this gun became a world recognized symbol of American Gangland and Violence. This gun was first distributed in small quantities to the American Postal Service to prevent the looting of Mail. Eventually this became the gun of choice by law enforcement officers and criminals. -
Lie Detector
John A. Larson was the inventer of the lie detector test. He was a medical student when he invented the test . -
Iron Lung
A respirator that has helped saved lives, especially those afflicted with polio and other cases of paralysis invented by Philip Drinker. -
Bread Slicer
The bread slicer was invented by Otto Frederick Rowedder worked on it every day since 1912. He completed the machine that could successfully cut and wrap a loaf of bread.
