Osram valve, type V.S.2., glass envelope removed, pinch loose from base, pinch marked V., one base pin cut off, (RMW/G65 - McVitie Weston number), by Osram, 1932.
Osram valve, type V.S.2., glass envelope removed, pinch loose from base, pinch marked V., one base pin cut off, (RMW/G65 - McVitie Weston number), by Osram, 1932.