McVitie Weston valve collection, Cossor valve, type experimental double diode
- Made:
- 1927
- maker:
- A C Cossor Limited
Cossor valve, type experimental double diode, numbered 8250, (RMW/A141 - McVitie Weston number), by A C Cossor Limited, 1927.
Cossor valve, type experimental double diode, numbered 8250, (RMW/A141 - McVitie Weston number), by A C Cossor Limited, 1927.