People often associate the Pin Tumbler Lock with Linus Yale, Jr. and rightly so, as he moderni… | American history timeline, Invention and innovation, History books
Linus Yale - 1861 – Historical Safe Locks and Keys
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Linus Yale - 1861 – Historical Safe Locks and Keys
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THE LOCKSMITH SHOP - Linus Yale, Sr. invented a pin tumbler lock in 1848. Linus Yale, Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges
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The Yale Lock: Still Keeping Homes Safe 160 Years Later - America Comes Alive
Linus Yale biography, list of Linus Yale inventions | edubilla.com
