components for crystal diode
- Made:
- circa 1950 in United Kingdom
Packs of components used to produce crystal diodes.
Details
- Category:
- Electronic Components
- Object Number:
- 2003-150
- Materials:
- metal, composite
- Measurements:
-
: 30 x 60 x 70 mm
- type:
- diode
- credit:
- GEC Hirst Research Centre