John Arnold
John Arnold was a prominent English watchmaker in the 18th century, renowned for his innovations in horology, particularly the invention of the detent escapement. He was a key figure in the development of precision timekeeping and had a notable friendship with the famous watchmaker Abraham-Louis Breguet, influencing the design and functionality of timepieces during his era.
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John Arnold is the founder of Arnold & Son and a friend of Abraham-Louis Breguet.
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