McVitie Weston valve collection, Dario Micro Bigril valve, type JM
Dario Micro Bigril valve, type JM, pinch marked 81-, (RMW/G18A - McVitie Weston number), by Societe Francaise Radioelectrique.
Dario Micro Bigril valve, type JM, pinch marked 81-, (RMW/G18A - McVitie Weston number), by Societe Francaise Radioelectrique.