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Linus Yale, Sr., didn't invent the lock. The oldest known lock was found by archeologists in the Khorsabad palace ruins near Nineveh. That lock was estimated to be 4,000 years old. It was a forerunner to a pin tumbler type of lock, and a common Egyptian lock for the time. Linus Yale re-invented a pin-tumbler lock in 1848. Linus Yale Jr. patented a new improved cylinder pin-tumbler lock in 1861.
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How long did it take to invent the wheel?
Time doesn't actually exist.
Is Thomas Crapper a myth?
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200 meaters long
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A long long long time ago.
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How long did it take to invent eyeglasses?
ewv
