Quote by: James Prescott Joule

The height of the pulleys from the ground was twelve yards, and consequently, when the weights had descended through that distance, they had to be wound up again in order to renew the motion of the paddle.


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Author Bio


  • NameJames Prescott Joule
  • DescriptionEnglish physicist and brewer
  • BornDecember 24, 1818
  • DiedOctober 11, 1889
  • CountryUnited Kingdom
  • ProfessionPhysicist
  • AwardsRoyal Medal; Copley Medal; Fellow Of The Royal Society