Marconi thermionic triode valve in brown cardboard box
A. T. 25 26434 W ^ D
Details
- Category:
- Radio Communication
- Object Number:
- Y7001.770
- Materials:
- glass, metal (unknown) and cardboard
- Measurements:
-
overall: 126 mm x 78 mm x 78 mm,
- type:
- triode valve and thermionic valve
