![](https://coimages.sciencemuseumgroup.org.uk/87/large_thumbnail_1923_0673__0001_.jpg)
E.H.T. rectifier
- maker:
- Mullard Limited
E.H.T. rectifier, Mullard R140, type MX401, serial no. 16996, by Mullard Ltd., London, England, 1940-1959.
E.H.T. rectifier, Mullard R140, type MX401, serial no. 16996, by Mullard Ltd., London, England, 1940-1959.