workers, worried about their livelihoods, rioted and marched on the barn where he was working, destroying everything they found.
Hargreaves fled to Nottingham, where he went into business building and operating his machines. He patented the Jenny belatedly in 1770, but by that time the machine was in widespread use throughout the cotton districts, being so simple that any reasonable handyman could build it. The Spinning Jenny was crude and produced thread that was too soft and weak to be used for the warp threads in a loom.It was a half-way house between the farmhouse-kitchen spinning wheel and the factory machines like the Water Frame and the Spinning Mule. But it could be operatedAt least one Jenny was still in operation in the early years of the 20th century.
Contrary to legend, Hargreaves did not die penniless. When he passed away in Nottingham in 1777, he left an estate worth about £4,000.