Thermionic triode valve
- Made:
- circa 1920s-1930s
Thermionic triode valve
Details
- Category:
- Radio Communication
- Object Number:
- Y7001.976
- Materials:
- glass, metal (unknown) and bakelite
- Measurements:
-
overall: 100 mm 31 mm,
- type:
- triode valve and thermionic valve
