![](https://coimages.sciencemuseumgroup.org.uk/85/large_thumbnail_1923_0350.jpg)
'Instanta' gas rectifier valve for x-ray use
- Made:
- 1921-1932
!['Instanta' gas rectifier valve for x-ray use](https://coimages.sciencemuseumgroup.org.uk/439/425/medium_smg00208463.jpg)
'Instanta' gas rectifier valve for x-ray use, with automatic vacuum regulator, by Newton & Wright, 1921-1932.
'Instanta' gas rectifier valve for x-ray use, with automatic vacuum regulator, by Newton & Wright, 1921-1932.