Spinning jenny spinning jenny. It started the factory system. The spinning jenny was invented by James Hargreaves. He was born in Oswaldtwistle, near Blackburn, around 1720. Blackburn was a town with a population of about 5,000, known for the production of "Blackburn greys," cloths of linen warp and cotton weft initially imported from India. They were usually sent to London to be printed. At the time, cotton production could not keep up with demand of the textile industry, and Hargreaves spent some time considering how to improve the process. The flying shuttle (John Kay 1733) had increased yarn demand by the weavers
Spinning frame a bobbin-and-flyer mechanism. The spacing of the rollers has to be slightly greater than the fiber length to prevent breakage. The nip of the roller pairs prevents the twist from backing up to the roving. Too large to be operated by hand, the spinning frame needed a new source of power. Arkwright at first experimented with horses, but decided to employ the power of the water wheel, which gave the invention the name 'water frame'. For some time, the stronger yarn produced by the spinning frame was used in looms for the lengthwise "warp" threads that bound cloth together, while