This Washing Machine Could Be the Next Game-Changing Appliance | Innovation | Smithsonian: "en it comes to revolutionary inventions of the 20th century, electric washing machines are right up there with automobiles and personal computers. With the press of a button, a load of laundry that had once taken in excess of four hours to clean was reduced to a 40-minute automated process. Some economists have even credited the time-saving appliance with precipitating the rise of women in the workforce during the 1950s, as homemakers were suddenly freed up to take up other pursuits."
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