306-563 by Unico I/O Interface Module

Flathead LP 20.600 Signal Transformer Yellow Black Mounted Circuit Board

Lot of 30 Circuit Board Transformers #10-3079-01 D 11 Pin

TALEMA ring cattle transformer 15/25VA dedicated fixed base PCB circuit board

Vintage Unknown Home Brew Frankenstein Electronics Project NELCO Circuit Board

TALEMA ring cattle transformer 15/25VA dedicated fixed base PCB circuit board

NEMIC-LAMBDA PWB-179 Power Supply Circuit board PCB

Unico 306-563 Module 306563