Ferranti thermionic valve, type PL38.
Details
- Category:
- Electronic Components
- Object Number:
- Y1996.10.1245
- Materials:
- glass, plastic (unidentified) and metal (unknown)
- Measurements:
-
overall: 138 mm 45 mm,
- type:
- thermionic valve
- credit:
- Gift of Ferranti International Signal plc