Found stamped in raised type on lower lip of blue plastic extraction clip
Found on obverse face in right corner near blue extraction clip
overall: 5 1/4 in x 5 in
This is a circuit board with a printed copper circuit. On the obverse face there several components, four in the left extraction end corner and four in the middle. At one end is a blue plastic pinned interface with a hinged clip. "HI. PHYSIKALISCHES INSTITUT LEHRSTUHL B T.H. AACHEN" is printed in copper to the lower right of the clip. The letter "G" is printed in red three times. On the reverse side are soldered joints which attach to the pins on the obverse face. "Cable Connector card" is printed at the top left edge of the board.