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The vaccum cleaner replaces the traditional four wheels with one ball
Inventor James Dyson's latest hoovering invention is demonstrated on March 14, 2005 in London. The vaccum cleaner replaces the traditional four wheels with one ball to guide it across the floor giving it increased maneouverability.Photo by Bruno Vincent/Getty Images
Early vacuum cleaners on display in department store
Early vacuum cleaners on display in department storeLOC
Boy using vacuum cleaner in living room
Boy using vacuum cleaner in living roomGetty Images/Boy using vacuum cleaner in living room