Paddlewheel used by James Joule

Paddlewheel used by James Joule

Paddlewheel used by James Joule
Science Museum Group
© The Board of Trustees of the Science Musuem

Paddlewheel used by James Joule in c.1860 for the more accurate determination of the mechanical equivalent of heat. The paddle was turned and Joule than calculated the force required to stop it moving.

Details

Category:
Scientific Instruments & Research
Object Number:
Y1969.5.52
Measurements:
overall: 160 mm 275 mm,
type:
paddlewheel
credit:
Gift of University of Manchester Institute of Science & Technology