Loewe valve, type 3NFW, marked 12265, metallising removed to expose electrode system, with special valve holder incorporating resistors and capacitors, (RMW/H10 - McVitie Weston number), by Loewe Radio S.A., 1932.
Loewe valve, type 3NFW, marked 12265, metallising removed to expose electrode system, with special valve holder incorporating resistors and capacitors, (RMW/H10 - McVitie Weston number), by Loewe Radio S.A., 1932.