Sigma 5 CPU
Xerox Data Systems, Inc. (XDS)
overall: 63 1/2 in x 30 1/2 in x 34 in
Object is the CPU unit for the XDS system. It bears an operator control panel on the front. Taped to the front with cellophane tape are two labels with operator instructions on how to boot the system.
Courtesy of Carnegie Mellon University