James HargreavesHargreaves, James (härˈgrēvz) [key], 1720?–1778, English engineer. In 1762 he made an unsuccessful attempt to develop a machine for carding, a process preparatory to spinning, and in 1764 he invented the spinning jenny, which resulted in doubling production in the carding process. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved. More on James Hargreaves from Fact Monster:
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