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McVitie Weston valve collection, Mullard valve, type Pm2B
- Made:
- 1933
- maker:
- Mullard Limited
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Mullard valve, type Pm2B, pinch marked W536, (RMW/Y192 - McVitie Weston number), by Mullard Limited, 1933.
Mullard valve, type Pm2B, pinch marked W536, (RMW/Y192 - McVitie Weston number), by Mullard Limited, 1933.