McVitie Weston valve collection, SFR valve, type P.500
- Made:
- 1949
SFR valve, type P.500, glass envelope broken, anode loose, (RMW/J167 - McVitie Weston number), by Societe Francaise Radioelectrique, 1949.
SFR valve, type P.500, glass envelope broken, anode loose, (RMW/J167 - McVitie Weston number), by Societe Francaise Radioelectrique, 1949.