Approximately when was William Lee's stocking frame, the first successful mechanical knitting machine, completed?
Answer
Around 1589
The text specifies that William Lee completed his breakthrough invention, the stocking frame, around the year 1589.

Related Questions
Where were precursors to modern knitting first evidenced in textile fragments?What was William Lee's primary profession before inventing the stocking frame?Approximately when was William Lee's stocking frame, the first successful mechanical knitting machine, completed?What action did the needles of Lee's stocking frame mechanize?What was the main economic reason Queen Elizabeth I rejected Lee's request for a patent?Where did William Lee relocate to establish his knitting industry after his petition failed in England?In which location did the industry established by Lee's design eventually concentrate, becoming an epicenter for framework knitting?Approximately when did William Lee pass away while residing in France?Which relative reportedly brought the frame designs back to England following Lee's death abroad?What factor solidifies William Lee's reputation as the 'father of industrial knitting'?How is the original purpose of the initial stocking frames generally described?