Zuse z23 board
The record contains a circuit board with a 16 pin connector printed on the solder side of the board. There is also a "+Z-" logo on the solder side.
||Stamped on the component side in the right extraction end
||El. Rev. number stamped in the left corner at the extraction end.
||Stamped on the component side in the right extraction end corner
||Found in the left extraction end corner on the solder side
overall: 1/4 in x 3 3/4 in x 7 1/8 in