Allen Bradley 8000-MB Memory Module, 64k W/bubble Interface USIP

Allen Bradley 7300-UPH1 / 7300UPH1 634487 CNC Memory Interface Module Board

Allen Bradley 7300-UPH / 7300UPH 634487 Interface Module Board

Allen Bradley 7300-UOD/ 7300UOD

Allen Bradley 8000-GB / 8000GB 635537 Micro Instruction Board Module

Allen Bradley 8000-GC / 8000GC 900057 Processor Panel Interface Module Board

Allen Bradley 8000-GDBZ / 8000GDBZ 900018 Buss Interface Board Module

Allen Bradley 8000-GD / 8000GD 900018 Buss Interface Board Module