The object is a medium-size metal panel bearing 9 BNC connectors and one multi-pin male connector. There are sockets for 8 vacuum tubes of which four are populated, and one is bagged separately with two cables. One set of clear indicator lights is attached to the object. "103 PROGRAM REGISTER DIGITS 1-15 301 A REGISTER DIGITS 115" is printed in the upper left side of the board.
