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Transcript of electric fan
Circulate air in a room. Summer was quickly approaching and the they could come home and cool off and not be all sweaty in your house. They would come home you could relax and cool off right where you are. You can even put it beside your bed and have the cold air blow in your face. also from this invention they figured out ways to make them even bigger. The electric fan hasn't really changed that much over time. The way it looked back then is still pretty much what it looks like know. Ever since this invention it has evolved over time. This was used in till Willis Haviland Carrier invented the first air conditioner system. Most people from then chose to use that, because it lasted long but just was a little more money. purpose of the invention! Significance of the invention! How the invention helped society at the time! Fans have been used as status symbols, decorative pieces, and cooling devices. In the past fans were made from palm leaves and feathers, with bases of wood, paper, and even chicken skin!
That is the end of my presentation! any questions? Fun facts! Certain waves of a fan indicated specific emotions or messages in social circles.