Metropolitan-Vickers thermionic triode valve
Metropolitan-Vickers thermionic triode valve
Cosmos SP.18.R.R.
Details
- Category:
- Radio Communication
- Object Number:
- Y7001.702
- Materials:
- glass, metal (unknown) and plastic (unidentified)
- Measurements:
-
overall: 114 mm 47 mm,
- type:
- triode valve and thermionic valve