James Prescott Joule and William Thomson, (later Lord Kelvin) discovered the Joule-Thomson Effect, on which mechanical refrigeration is based in this house in 1852

by Manchester Literary and Philosophical Society and University of Salford

Colour: blue

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Rt Hon. Sir Lord William Thomson OM PC GCVO PRS FRS FRSE PRSE
(1824-1907) physicist

James Prescott Joule
(1818-1889) scientist