Inventions of the Roaring 20's

Timeline created by megan.midkiff95
In History
  • Traffic Light

    Traffic Light
    The traffic light was invented by William Potts as a way to direct traffic at 4 way stops.
  • Hair Dryer

    Hair Dryer
    The first real Hair Dryer was invented by Alexandrea Godefoy. It was extremely large and used too dry your hair.
  • Q-tips

    Q-tips
    Q-tips were invented By Leo Gerstenzang and his wife to clean their babies ears. It was originally a tooth pic with a cotton ball on the end.
  • Band-Aid

    Band-Aid
    The Band-Aid was invented by Earle Dickson for his addicent prone wife. It was a piece of tape with a gauze in the middle.
  • Lie Decter

    Lie Decter
    The Lie detector was invented by John Larson for police interrogation and investigation. It would read and record peoples diffrent body responses.
  • Electric blender

    Electric blender
    Stephen Poplawski invented the blender to mix food and beverage items together with a small blade at the bottom of a container.
  • 3-D Movies

    3-D Movies
    The Lumière brothers experimented with three-dimensional images using two films painted in red and blue colors and projected simultaneously onto the screen.
  • Frozen Food

    Frozen Food
    Frozen food was invented by Clarence Birdseye with her quick freezing method.
  • Bulldozer

    Bulldozer
    James Cummings and J. Earl Mcleod invented the Bulldozer, and it was first called a caterpiller. It was used fro construction and demolition.
  • Loudspeaker

    Loudspeaker
    The loudspeaker was invented by Chester W Rice and Edward Washburn Kellogg as a way to make people be heard from diffrent locations.
  • Pop-Up Toaster

    Pop-Up Toaster
    Charles P. Strite invented the pop up toaster as a way to toast bread.
  • Kool-Aid

    Kool-Aid
    Kool-Aid was invented by Edwin Perkins. It was a flavored powder added to water to make a floavored drink.
  • Bread Slicer

    Bread Slicer
    The bread slicer was invented Otto Frederick Rohwedder, it was used to mechanically slice bread.
  • Aerosol Can

    Aerosol Can
    The aerosol can was invented by Erik Rotheim that could hold and despense products.
  • Penicillin

    Penicillin
    Penicillin was invented by scientist Sir Alexander Fleming after studying bacteria. It is now a popular antibiotic given by doctors.
  • Electric Shaver

    Electric Shaver
    The electric shaver was invented by Jacob Schick as a way faster way for men to shave.
  • Iron Lung

    Iron Lung
    The Iron Lung was invented by Harvard medical researchers Philip Drinker and Louis Agassiz Shaw. It is an airtight metal tank that encloses all of the body except the head and forces the lungs to inhale and exhale through regulated changes in air pressure.
  • Car Radio

    Car Radio
    The car radio was invented by William Lear and Elmer Wavering. It was a way to take your radio anywhere in your car.
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    Inventions