James Prescott Joule
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James Prescott Joule was an English physicist. Joule studied the nature of heat and discovered its relationship to mechanical work. This led to the law of conservation of energy, which in turn led to
Joule James sitting
An electric motor presented to Kelvin by James Joule in 1842. Hunterian Museum, Glasgow.
Joule's Heat Apparatus, 1845
James Prescott Joule
Lord Kelvin
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William Thomson, 1st Baron Kelvin was a Scottish mathematician, mathematical physicist and engineer.
James Prescott Joule
…energy, which in turn led to the development of the first law of thermodynamics. The SI unit of energy, the joule (J), is named after him. He worked with Lord Kelvin to develop an absolute thermodynamic temperature scale, which came to be called the Kelvin scale. Joule also made observations of magnetostriction, and…
Kelvin, c. 1900, by T. & R. Annan & Sons
The meander of the River Kelvin containing the Neo-Gothic Gilmorehill campus of the University of Glasgow designed by George Gilbert Scott, to which the university moved in the 1870s (photograph 1890s)
William Thomson's telegraphic syphon recorder, on display at Porthcurno Telegraph Museum, in January 2019
Lord Kelvin's sailing yacht Lalla Rookh