Triad Utrad F 12 filament transformer used pull

TRIAD Aircraft Filament Transformer HSM-225, TF4RX01EA, 50/60 Hz, NOS.

New Old Stock Vintage TRIAD HS-436 Power Filament Transformer 400CPS 535V

Used Triad HSM-230 Filament Transformer 24V CT .8A Primary 105V 115V 125V

Vintage Plate and Filament Transformer

Vintage Transformer Electronics / Freed Filament Transformer TFIRX036B 50-400Hz

Triad A-1365 / 9277 Filament Transformer

Triad F-45x Filament Transformer Used Pull