Loewe valve, type 3NFB, marked 0708, metallising partly removed to reveal electrodes, with valve holder, (RMW/H8 - McVitie Weston number), by Loewe Radio S.A., 1933.
Loewe valve, type 3NFB, marked 0708, metallising partly removed to reveal electrodes, with valve holder, (RMW/H8 - McVitie Weston number), by Loewe Radio S.A., 1933.