In 1769 Arkwright patented the spinning frame, a machine which produced twisted threads (initially for warps only), using wooden and metal cylinders rather than human fingers.
Arkwright patented the technology in 1767.
Arkwright patented the technology in 1767.
Simplify the sentence: In 1769 Arkwright patented the spinning frame, a machine which produced twisted threads (initially for warps only), using wooden and metal cylinders rather than human fingers. Output: