SDS part number stamped into a label next to the big connector
Stamped onto a label next to the the big connector
Ferroxcube serial number on a label on the frame at the side.
overall: 6 1/4 in x 7 1/2 in x 7 3/4 in
There is a piece of masking tape on one side of the cube with information about a test. The test date is given as 2 March 65. On two sides of the cube there are "memory diode matrix" boards. On another side there is an array of resistors.