![](https://coimages.sciencemuseumgroup.org.uk/42/398/large_thumbnail_1978_0334__0002_.jpg)
![Original Dewar high efficiency vacuum vessel, 1906-1914.](https://coimages.sciencemuseumgroup.org.uk/320/718/medium_smg00044119.jpg)
Original Dewar high efficiency vacuum vessel, 1906-1914.
Details
- Category:
- Heat
- Object Number:
- 1930-783
- Materials:
- glass, metal (unknown), possibly copper (alloy) and charcoal
- Measurements:
-
overall: 245 mm x x , 43 mm, .125kg
- credit:
- The Royal Institution