Inventions in the 1920s

Timeline created by lilvicky in Science and Technology
Event Date: Event Title: Event Description:
1920  s hair dryer by calithica Hair Dryer The Hair Dryer was invented in Gremany. By this women who had insert a hose in the exhaust of a vacuum cleaner.
Q tips 300x226 Q-Tips Leo Gerstenzang had took his wife invention and put it on the market. The real name used to be called Baby Gays.
Traffic signal580x 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
Ruthedta Automobile with Combustion Engine It was invented by Henry Ford.The automoblie with the combustion was the most popular invention in the 1920s. This invention had started new jobs.
Band aid Band-Aid The Band-Aid was invented by a man called Earle Dickson. The reason why he invented the band-aid because his wife Josephine Dickson be cutting herself every day.
Polygraph Lie Detector John A. Larson was the inventer of the lie detector test. He was a medical student when he invented the test in Califorina.
Photo dozerlg Bulldozer The Bulldozer was invented by Engineer Benjamin Holt. He bulit a crawling tracter which he called the caterpillar. LaPlant-Choate Manufacturing Company had produced the first bulldozer in 1923.
Goddard med Liquid-Fueled Rocket The Liquid-Fueled Rocket was invented by Robert Goddard. The North American Space Association tell use it today.
Koolaid Kool-Aid Kool-Aid was invented by Edwin Perkins of Omaha, Nebraska. The original name was called Fruit Smack.
Aaaaak1n5jcaaaaaaiopog Bread Slicer The bread slicer was invented by Otto Frederick Rowedder he lived in Iowa he worked on it every since 1912. He completed the machine that could successfully cut and wrap a loaf of bread.
Timespan Dates: Timespan Title: Timespan Description:

Invention in the 1920's This time line is mostly about who had invention that was some what popular and important in the 1920s. Some of these invention did impacked this life. We tell use these inventions today in the US and all over the world. In this timeline we have some very improtant people and they was very intelligent and some was very while educated.