James Dewar
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Sir James Dewar was a Scottish chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction for his research into the liquefaction of gases. He also stud
James Dewar
Dewar's vacuum flask in the museum of the Royal Institution
Sir James Dewar's ashes at Golders Green Crematorium
Portrait of Dewar by René le Brun, Comte de L'Hôpital, in the collection of the Royal Society of Chemistry
Vacuum flask
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A vacuum flask is an insulating storage vessel that slows the speed at which its contents change in temperature. It greatly lengthens the time over which its contents remain hotter or cooler than the
James Dewar
…Sir James Dewar ( DEW-ər; 20 September 1842 – 27 March 1923) was a Scottish chemist and physicist. He is best known for his invention of the vacuum flask, which he used in conjunction for his research into the liquefaction of gases. He also studied atomic and molecular spectroscopy, working in these…
The typical design of a Thermos brand vacuum flask, used for maintaining the temperature of fluids such as coffee
Bakelite Thermos flask in the collection of the Museum of Industry (Ghent, Belgium)
1930s "Thermofix" vacuum flask
A low, wide opening design