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. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock vector Stock Dewar or vacuum flask fully diagram isolated on white background. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock vector Stock](https://as1.ftcdn.net/v2/jpg/03/18/27/26/1000_F_318272641_XDD84AxeD90hCWjPQhBxafXDsW9HGkbd.jpg)
Dewar or vacuum flask fully diagram isolated on white background. Cross section cut away view of a thermos vacuum flask. Diagram showing vacuum flask layers. Dewar flask or thermos. Stock vector Stock
![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)