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Elias Howe invented which of the following?
a. The mechanical reaper
b. The sewing machine
c. A method for vulcanizing rubber
d. The steel plow

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Kalahira
The answer is the sewing machine. After he lost his plant work in the Panic of 1837, Howe moved from Spencer to Boston, where he looked for some kind of employment in a mechanical engineer's shop. It was there that Elias Howe started tinkering with designing a mechanical sewing machine.

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