GrubAmericana on Twitter: "On September 20, 1842 Sir James Dewar was born. Inventor of the vacuum flask, also known as Dewars Flask or Thermos. https://t.co/6dUyY166pq" / Twitter
![Dewar or Vacuum Flask Fully Diagram Isolated on White Background. Stock Vector - Illustration of background, container: 214936680 Dewar or Vacuum Flask Fully Diagram Isolated on White Background. Stock Vector - Illustration of background, container: 214936680](https://thumbs.dreamstime.com/z/dewar-vacuum-flask-fully-diagram-isolated-white-background-cross-section-cut-away-view-thermos-showing-layers-stock-214936680.jpg)
Dewar or Vacuum Flask Fully Diagram Isolated on White Background. Stock Vector - Illustration of background, container: 214936680
![6 A cross-sectional view of a Dewar flask, which is used to store hot... | Download Scientific Diagram 6 A cross-sectional view of a Dewar flask, which is used to store hot... | Download Scientific Diagram](https://www.researchgate.net/publication/337745105/figure/fig16/AS:832485541826577@1575491428764/A-cross-sectional-view-of-a-Dewar-flask-which-is-used-to-store-hot-or-cold-substances.jpg)