MU14, MARCONI MARCONIPHONE, BALLUSTER ENVELOPE, PARALLELOGRAM ELECTRODE CAGE, SWAN NECK GETTER,, HC,1935 MANUFACTURE
MU14, MARCONI MARCONIPHONE, BALLUSTER ENVELOPE, PARALLELOGRAM ELECTRODE CAGE, SWAN NECK GETTER,, HC,1935 MANUFACTURE
A beautiful MU14 of a veery scarce presentation. Showing excellent emission and matching for each diode section within the envelope.