Discussion
Which item, originally called the Whirlwind, was invented by Ives McGaffey in 1869?
Answer: D
It was the vacuum cleaner.
Ives McGaffey patented his hand-cranked Whirlwind in 1869. It was hard to work - one hand turned the crank while the other pushed - and few were sold; the powered version came from Hubert Booth in 1901.
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