19 स्पिनिंग जैनी मशीन का अविष्कार कब और किसके द्वारा किया गया?When and who discovered Spinning Jenny machine?

19 स्पिनिंग जैनी मशीन का अवि

1.	19 स्पिनिंग जैनी मशीन का अविष्कार कब और किसके द्वारा किया गया?When and who discovered Spinning Jenny machine?
Answer» Credit for the spinning jenny, the hand-powered multiple spinning machine invented in 1764, goes to a British carpenter and weaver named James Hargreaves. His inventionwas the first machine to improve upon the spinning wheel. At the time, cotton producers had a difficult time meeting the demand for textiles, as each spinner produced only one spool of thread at a time. Hargreaves found a way to ramp up the supply of thread.