The object consists of a green board with a blue plastic connector and aluminum frame. There are six large black delay lines with points labeled "GND IN", "05", "10", "15", and "20." On the reverse side there is a printed circuit. Around the delay lines on the solder side there are labels indicated "50", "100", "150", and "200." There is a white sticker on one of the delay lines that reads, "checked ok 6-29-72."