![](https://coimages.sciencemuseumgroup.org.uk/30/666/large_thumbnail_1928_0945__0002_.jpg)
Three bulbed vacuum tube with pointed electrodes
Three bulbed vacuum tube with pointed electrodes
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1923-339
- type:
- vacuum tube
- credit:
- Institution of Electrical Engineers
Three bulbed vacuum tube with pointed electrodes