- Vacuum Flask — 2023-10-09 23:46:28
…Vacuum Flask :: {{Databox caption="Inventor" Image="James-dewar.jpg" Who="James" width="300" birth_date="20 September 1842" birth_place="Kincardine" death_date="27 March 1923" death_p…
…lace="London" }} [[CategoryInventions]]: [[Domestic]] === James Dewar 1904 === The vacuum flask was invented by the Scottish physicist James Dewar (1842-1923) was also a brilliant experi…
…vering on the inner walls helped to reflect heat. He was knighted in 1904 and died on March 27, 1923. == Cordite == Dewar is also the joint inventor of cordite with **Sir Frederick Abel** in **1889**. The disadvantage of gunpowder was that …