Cray-1 SuperComputer Memory Module Board. Circa 1976. Single sided.Back are ELC

Cray-1 SuperComputer Memory Module Daughter Board. Circa - 1976 ( Double Sided )

"LOGO"-Cray-1 SuperComputer Memory Module.Circa 1976. Single sided.Back are ELC

Cray-1 SuperComputer Memory Module. Circa 1976. Double Sided Board.

Cray-1 SuperComputer E.L.C. Module Daughter Board. Circa 1976. 2 Studs Missing.

Cray-1 SuperComputer Memory Module Daughter Board. ( Double, Both sides )

Cray X-MP E.L.C. SuperComputer Memory Module. Circa 1984. Double Sided Board.

Cray-2 SuperComputer Memory Module Daughter Board. Circa - 1982