INVENTIONS OF THE 1920s





Bobby Demetriou

The 1920s was America's "growth spurt".There was improvements in technology, fashion, manufacturing, and transportation were taking place at a rapid pace. Inventions that improved transportation like the automobile, home medical helped such as the Band-Aid. All of these items that we take for granted in our daily lives, but in the 1920s, these were new and popular items, which soon make our world a better place.


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American Inventions of the 1920s: Band-Aid, Hair Dryer, Automobile with Combustion Engine, Kool-Aid, Liquid-Fueled Rocket, Q-Tips, Lie Detector, Bread Slicer, Bulldozer, and the Traffic Light. The Band-Aid was made by Earle Dickson, husband of Josephine Dickson. He was employed in a company that made gauze and tape called "Johnson & Johnson". The Hair Dryer was invented in 1920. Woman dried their hair by inserting a hose in the exhaust of a vacum cleaner and they blowed themselves dry. The automobile with Combustion Engine was made in 1920. They were invented by Henry Ford which later founded the Ford company. The automobile was powered by steam, was invented in 1866. Edwin Perkins of Omaha, Nebraska created "Kool-Aid". The original flavors are: Cherry, Lemon-Lime, Grape, Orange, Root Beer, Strawberry, and Raspberry. Robert Goddard created the Liquid-Fueled Rocket. It was invented in 1926. During Roberts's time the US didn't recognize his achievement. His method of oxygen and liquid fuel propulsion only lifted the original rocket 184 ft. high. The Q-tips were created by Leo Gerstenzang in the year of 1920. He took his wife's innovation and put it on the market. His wife used cotton swabs on each end of a stick to clean their baby's ears. Leo created the "Infant Novelty Company". The lie detector was created by John A. Larson in the year of 1921. He was a medical student at the University of California. This devise measured heartbeats and breathing to learn if a person is lying. The bread slicer was invented by Otto Frederick Rowedder of Iowa in the year of 1927. He worked on this idea since 1912. He finally completed a machine that would cut and wrap the bread. This was later improved by baker Gustav Papendick. The bulldozer was created by Engineer Benjamin Holt in the year of 1923. He called the bulldozer a "Caterpillar" in 1885. He was the founder of the company "Caterpillar". The Traffic Light was created by a police officer William Potts from Detroit, Michigan. The lights he used was red, amber, and green lights. Penicillin was also created in 1928 by Sir Alexander Fleming. It was the first antibiotic ever made.


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On November 2, 1920 was the first radio broadcast. On September 8, 1921 was the first Miss America pagent held in Atlantic City. On November 11 the unknown soldier of World War 1 was buried. On November 26, 1922: Archeologist Howard Carter finds tomb of Tutankhamen near Luxor, Egypt. On August 2, 1923 President Harding dies: August 3 Vice President Calvin Coolidge is sworn into office as President. February 3, 1924 former President Woodrow Wilson dies: November 4, Calvin Coolidge is elected President. On October 2, 1925 Scottish inventor John Baird invents the first television. In 1927 was the first talking movie, The Jazz Singer was relised May 20: Spirit of St. Louis and pilot Charles Lindbergh land in Paris. On September 19, 1928 was the first Mickey Mouse talking film, Steamboat Willie, released by Walt Disney: November 6 Herbert Hoover was elected President. On October 24,1929 was the start of the Stock Market.

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The radio was the great communication invention of the 1920s. Radio signals across Canada could now broadcast voices, news, bible readings, soap operas, crime and western dramas, comedy ad variety, coverage on major sports, advertising for businesses and music. People in the remotest areas of Canada were no longer isolated and were brought in contact with other cities of the nation. The radio was affordable to both rich and poor. The first Radio Broadcast was May 20th, 1920, in Montreal station XWA. It relayed a musical program to a meeting of royal society in Ottawa. Over 30 Canadian radio stations were in some stage of operation and sweeled to 91 by mid-decade. In Halifax- Marconi set up small broadcasting station, in Toronto the daily star set up their own station, and there were stations in Edmonton and Regina. Radio stations were extremely crude and jerry-built. Broadcasts were not pre-recorded and were unrehearsed and amateurish.



Although we have many of inventions today, many things that were invented in the 1920s were important for us. The inventions that they created in the 1920s are still for us to use. Even though they improved the technology, they still were created. Even medicines were created for our health and our body to fight off sicknesses. When we look back into the past you will still remember the inventions they created for our use. This is why we should remember the past for what people created for us.



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