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[Surname] You'll... Watt?! Joule and Watt...
James Prescott Joule and James Watt gave their surnames to the units for the Joule and Watt, repsectively, but... What did their surnames meant long before this? What's their etymology?
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Joule is a variant of Jewell whose origin you'll find at http://www.ancestry.com/name-origin?surname=jewell. Watt is at http://www.ancestry.com/name-origin?surname=watt.
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Thanks. :D
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