BELL SYSTEM (BSTL) EARLY MODEL NO51 ACCESS CONTROL AMPLIFIER

Bell System (BSTL) Early Model No 51 Acess Control Amplifier Amplifier for Bell  Systems Access Control –  Also used on other  systems. New unused  stock, tested and in  original box.

£14.00 BELL SYSTEM (BSTL) EARLY MODEL NO51 ACCESS CONTROL AMPLIFIER Out of stock