Economic Growth

The Radio

("Old Radio")
  • The radio started broadcasting in 1920.
  • The first broadcast was done by KDKA
  • 1922 there were 60 radio stations in the US
  • Between 1920 and 1930 over 60% of families had radios
  • Many things were broadcasted like sporting events and weather updates


  • Invented by Alexander Fleming in 1928
  • Discovered by Fleming on Accident after coming home to his lab
  • It breaks down bacteria so its an antibiotic
  • One of the most important medical discoveries ever
  • Used to treat infections

The Vacuum

("1920's Vacuum")
  • Was built in 1860 by Daniel Hess but called the carpet sweeper
  • In the 1920 was improved to increase effectivity
  • In 1920 disposable bags were added for connivence
  • In 1924 a Swedish man introduced the Electrolux tank vacuum
  • Hoover amped up the dirt removal of their vacuums in 1926

The Washing Machine

("1920 Washing Machine")
  • Built in 1908
  • Became popular in the 1920's
  • More innovations were made during the 1920's
  • Used a wooden drum to wash clothing


  • Invented by Sir Frederick Banting in 1922
  • Banting believed that the pancreas held the key to insulin
  • Experimented with dog's Pancreas to get results.
  • Eventually found that the medication was able to lower the blood sugar
Works Cited

Insulin. Two Tons of Pig Parts: Making Insulin in the 1920s, Smithsonian, americanhistory.si.edu/ blog/2013/11/two-tons-of-pig-parts-making-insulin-in-the-1920s.html. Accessed 27 Apr. 2017. 1920's. Youtube, www.youtube.com/watch?v=7uoO-cwVhY4. Accessed 27 Apr. 2017. "1920s New Technology." Weebly, 1920newtechnologyhanyoung.weebly.com/appliances.html. Accessed 27 Apr. 2017. 1920's Vacuum. 1920s New Technology, Weebly, 1920newtechnologyhanyoung.weebly.com/index.html. 1920's Washing Machine. 1920s New Technology, Weebly, 1920newtechnologyhanyoung.weebly.com/ appliances.html. Old Radio. Wayne's Old Time Radio Page, oldtimeradiopage.com/. Accessed 27 Apr. 2017. Penicillin. Emaze, www.emaze.com/@AFLQQFL/Penicillin. Accessed 27 Apr. 2017.

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