Wtb: Utc s-1 Interstage Xfos, other Utc Xfos

[nerdius-maximus]

I would be interested in multiples if they're had:

S-1

S-14

Chokes

S-28
S-29
S-30

Filament

S-53
S-54
S-55

Also interested in somewhat rare plate transformers in the smaller octagonal g-4 case