McVitie Weston valve collection
- Made:
- 1939
- maker:
- Mullard Limited
Mullard triode hexode frequency changer valve, type ECH2, Ct8+tc base, red painted glass envelope, marked 'SAMPLE', (RMW/Y224 - McVitie Weston number), by Mullard Limited, 1939.
Mullard triode hexode frequency changer valve, type ECH2, Ct8+tc base, red painted glass envelope, marked 'SAMPLE', (RMW/Y224 - McVitie Weston number), by Mullard Limited, 1939.