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
Vacuum flask - Wikiwand
James Dewar's vacuum flask | Royal Institution
Dewar Flask, Large, 10-L | Flinn Scientific
CG-1599-A - FLASKS, DEWAR, STAINLESS STEEL, SIDE GRIP AND CARRYING HANDLE- Chemglass Life Sciences