He teamed up with a clockmaker called John Kay and by the late 1760's they had a workable machine that could spin four strands of cotton yarn at the same time. Arkwright paid for a patent in 1769 ...
He teamed up with a clockmaker called John Kay and by the late 1760's they had a workable machine that could spin four strands of cotton yarn at the same time. Arkwright paid for a patent in 1769 ...
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