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Cameo of William Cullen (close-up), Hunterian Museum, Glasgow Burial enclosure of William and Robert Cullen in Kirknewton. William Cullen FRS FRSE FRCPE (/ ˈ k ʌ l ən /; 15 April 1710 – 5 February 1790) was a Scottish physician, chemist and agriculturalist, and professor at the Edinburgh Medical School. [3]
1755 – William Cullen used a pump to create a partial vacuum over a container of diethyl ether, which then boiled, absorbing heat from the surrounding air. [4] 1756 – The first documented public demonstration of artificial refrigeration by William Cullen [5] 1782 – Antoine Lavoisier and Pierre-Simon Laplace invent the ice-calorimeter
The history of artificial refrigeration began when Scottish professor William Cullen designed a small refrigerating machine in 1755. Cullen used a pump to create a partial vacuum over a container of diethyl ether, which then boiled, absorbing heat from the surrounding air. [19]
In 1748, the first known artificial refrigeration was demonstrated by William Cullen at the University of Glasgow. [1] Mr. Cullen never used his discovery for any practical purposes. This may be the reason why the history of the icemakers begins with Oliver Evans, an American
In 1748 in Glasgow, William Cullen invented the basis for modern refrigeration, although he is not credited with a usable application. More on history of refrigeration can be found in the paragraph Refrigeration Research on page Refrigeration.
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1748 – William Cullen demonstrates the first artificial refrigeration in a public lecture at the University of Glasgow in Scotland. 1759 – John Harrison uses a bimetallic strip in his third marine chronometer (H3) to compensate for temperature-induced changes in the balance spring. This converts thermal expansion and contraction in two ...
More than two dozen people are running to serve on Raleigh City Council. Early voting runs from Oct. 17 to Nov. 2. Election Day is on Nov. 5.