The object is a circuit board from a Cray-1 computer. A note attached to the object reads "reciprocal RQ 3rd level par [unreadable]." and "part of CPU."
Manufacturer
Cray Computer Corporation
Identifying Numbers
Other number
93.537.01A
LLNL deprecated number, written on the edge of the object
Other number
RQ 53001
Embossed on the object
Dimensions
overall: 1/2 in x 7 in x 9 1/4 in
Category
Component/circuit board
Credit
Gift of Lawrence Livermore National Laboratory (LLNL)