Loewe valve, type 3NF, marked - British Made, with valve holder marked - GERMANY, (RMW/H6 - McVitie Weston number), by Loewe Radio S.A., 1927.
Loewe valve, type 3NF, marked - British Made, with valve holder marked - GERMANY, (RMW/H6 - McVitie Weston number), by Loewe Radio S.A., 1927.