国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 6月9日 07時36分

Today in 1869: Ives McGaffey patents a "sweeping machine." This vacuum cleaner is from 1926-1929. It was the first of its kind to feature an aluminum body, an on/off switch (oooh!), and the agitator brushroll—an innovation that used metal beater strips to vibrate pieces of dirt from carpets.
The vacuum was marketed as a labor-saving device for middle class women. (The ad showed a chic flapper of the late 1920s.) Of course, standards for cleanliness also rose.
How have chores changed in your lifetime? Do you remember how grandma cleaned up?
#ObjectProject #AmericanHistory #TodayInHistory

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