IBM Solid Logic Technology (SLT) modules from and IBM /360 (many)
International Business Machines Corporation (IBM)
||K712 (on the one SLT unit in a plastic bag - just for ID purposes)
overall: 1 1/2 in x 3 in x 1/2 in
Object consists of many SLT units (approx. 710). Likely the complete contents of some version of an IBM /360 that was being scrapped.