McVitie Weston valve collection, Mullard valve, type VT13
- maker:
- Mullard Limited
Mullard valve, type VT13, serial No. 75, pinch marked F/4 and F*6.3, red moulded 4-pin square base, (RMW/J62B - McVitie Weston number), by Mullard Limited.
Mullard valve, type VT13, serial No. 75, pinch marked F/4 and F*6.3, red moulded 4-pin square base, (RMW/J62B - McVitie Weston number), by Mullard Limited.